Questions Asked on
March 12, 2013

  1. Math: Please help

    1. What is the simplified form of squared root 140? A.) 4 to the square root of 35 B.) 10 to the square root of 14 C.) 2 to the square root of 70 D.) 2 to the square root of 35 Please show me how to do this Thank You

    asked by Jim
  2. Math: Probability

    1. Which of the following is an example of a dependent event? (1 point) flipping two coins rolling a number cube and spinning a spinner choosing two scoops of ice cream choosing a cookie at random, eating it, and then choosing another at random 2. Which of

    asked by Skittles
  3. Improving Vocabulary Skills

    Can you help me with the ten words to fill in each blank on Improving Vocabulary Skills Chapter 13, 14, 15, 16, 17 for the Final Check 2?

    asked by Divine0324
  4. Physics

    A transport plane takes off from a level landing field with two gliders in tow, one behind the other. The mass of each glider is 700 {kg}, and the total resistance (air drag plus friction with the runway) on each may be assumed constant and equal to 2100N

    asked by Gareth
  5. algebra

    volume of cone varies jointly as square of its radius and its height if volume of a cone is 27pie cubic inches when radius is 3 inches and height is 9 inches find volume of a cone when radius is 4 inches and height is 3 inches

    asked by leslie
  6. Math: Please check

    What is the simplified form of square root 48n^9? I think the answer is: 3n square root 4n^8. Thank You

    asked by Jim
  7. venn diagram

    In a marketing survey involving 1,000 randomly chosen people, it is found that 630 use brand P, 420 use brand Q, and 210 use both brands. How many people in the survey use brand P and not brand Q? dont tell me the answer just tell me how to do it

    asked by Mr.Brain
  8. math

    What are the next two numbers in this pattern? 88 44 64 32 52 _ _

    asked by Anonymous
  9. Chemistry

    A sample of nitrogen containing 1.5x10^23 molecules has the same number of molecules as a sample containing A. 1.0 mole of H2 B. 2.0 moles of He C. 0.25 mole of O2 D. 0.50 mole of Ne

    asked by Brandi
  10. physics

    A telescope has an objective with a refractive power of 1.20 diopters and an eyepiece with a refractive power of 220 diopters. What is the angular magnification of the telescope?

    asked by Anonymous
  11. math

    The bases on a baseball diamond are 90 feet apart. How far is it from home plate to second base? Please explain

    asked by Annie
  12. algebra

    Find the distance, d,across the river. Assume that the ratio of d to 90ft is the same as the ratio of 100ft to 50ft

    asked by Barbara
  13. earth

    how does the water cycle ensure that we have water.

    asked by nyamka
  14. Math

    Of 30 students, 12 play football, 17 play soccer, and 5 play both, how many play neither?

    asked by Bob
  15. Chemistry

    A sample of nitrogen containing 1.5x10^23 molecules has the same number of molecules as a sample containing A. 1.0 mole of H2 B. 2.0 moles of He C. 0.25 mole of O2 D. 0.50 mole of Ne

    asked by Brandi
  16. Pre-Algebra

    1) Find the surface area for a sphere with a radius of 10 feet. Round to the nearest whole number. a. 1,256 ft2 b. 4,189 ft2 c. 1,089 ft2 d. 1,568 ft2 2) Find the volume of a sphere with a radius of 10 feet. Round to the nearest whole number. a. 1,257 ft3

    asked by Destiny
  17. Algebra

    you trim a large square picture so that you could fit it into a frame. you trim 3 inches from the length and 2 inches from the width. the area of the resulting picture is 56sq in what was the perimeter of the original large square picture?

    asked by Jennifer
  18. math

    a person can copy the final exam in 28 minutes using a new copy machine. using an old copy machine, it takes 70 minutes. if both machines are used, how long will it take to complete the job

    asked by Megan
  19. algebra

    a model rocket is shot straight up from a roof the height at any time t is aproximated by the model h=-t(squared) +3t+28,where h is the height in metres and t is the time in seconds . When does the rocket hit the ground?

    asked by Rose
  20. Physics

    An aluminum ring of radius 5.00 cm and resistance 2.00 10-4 Ω is placed around the top of a long air-core solenoid with 997 turns per meter and a smaller radius of 3.00 cm, as in the figure below. If the current in the solenoid is increasing at a constant

    asked by Kyle
  21. Chemistry

    Use activity coefficients to find the concentration of hydrogen ions in a solution of 65.0 mM butanoic acid and 0.01 M NaCl. The ionization constant of butanoic acid is Ka = 1.52 × 10-5. Take the size of C3H7COO– to be 500 pm. Find [H+], pH, and alpha.

    asked by Jessica
  22. Math: Please check

    Which radical expression is in simplified form? A.) 11y/3 square root *B.) square root of 6/5y C.) square root of 17/square root of 4 D.) square root of 25/81 Thank You

    asked by Jim
  23. business math

    Joan Roe Borrowed $85,000 at a rate of 113/4 percent. The date of the loan was July 8. Joan is to repay the loan on Sept 14. Assuming the loan is based on exact interest, the interest Joan will pay on Sept 14 is?

    asked by Susan
  24. Math

    Maize counted her dime.when she put them in groups of 4 ,she had two dimes left over.when she put them in group of 5,she had one left over.what is the smallest number of dimes she could have.if she has more than 10?

    asked by Pietro
  25. Physics

    A sailor strikes the side of his ship just below the surface of the sea. He hears the echo of the wave reflected from the ocean floor directly below 3.88 s later. If the speed of sound in seawater is 1560 m/s, How deep is the ocean at this point?

    asked by Andrewk
  26. Physics

    A 200-loop coil of cross sectional area 8.5 lies in the plane of the paper. Directed out of the plane of the paper is a magnetic field of 0.06 T. The field out of the paper decreases to 0.02 T in 12 milliseconds. (a) What is the magnitude of the change in

    asked by Liz
  27. physics

    a 20N force is required to stretch a spring by 0.5 m. a) what is the spring constant? b)how much energy is stored in the spring ?

    asked by Anonymous
  28. job related

    A gable roof with a slope of 9 inches per foot has a rake slope factor of 1.25. If the run is 10 feet and the eaves length is 30 feet. What is the roof area in sq feet. a 150 b 1500 c 300 or d 750

    asked by Roofer
  29. Math Ms. Sue please

    6. Which is the best measure of central tendency for the type of data below–the mean, the median, or the mode? Explain. Hours of sleep each night Median; there will be outliers Range; there are no outliers Mode; the data are non-numeric Mean; the

    asked by Delilah
  30. math

    If a storm window has an area of 315 square inches, what are the dimensions if the window is 6 inches higher than it is wide (w x h)?

    asked by Anonymous
  31. Chemistry 104

    A 0.30M solution of a weak monoprotic acid is 0.41% ionized. what is the acid-ionization constant, Ka for this acid? Use. HA + H2O H3O + A to figure out X for H3O and A

    asked by Viv
  32. physics

    a 20N force is required to stretch a spring by 0.5 m. a) what is the spring constant? b)how much energy is stored in the spring ?

    asked by Anonymous
  33. math

    In a group of 200 high school students, 36 are taking biology, 52 are taking Spanish, and 126 are taking neither biology nor Spanish. If one of these 200 students is to be chosen at random, what is the probability that the student chosen is taking biology

    asked by jamel
  34. math

    six hundred and thirty miligrams is equal to how many grams? a) 0.063 g b) 0.63 g c)63 g d) 630,000 g

    asked by mary
  35. business math

    Given interest of $11,900 at 6 percent for 50 days (ordinary interest), one can caculate the principle as?

    asked by Susan
  36. math

    which would be the approximate metric equivalent to 7 inches? a) 0.63 mm b) 1.4 m c) 12 dm d) 18 cm

    asked by mary
  37. Physical chemistry 2

    50 ml of 0.02M acetic acid is titrated with 0.1M NaOH.Calculate the pH of the solution when 10ml of NaOH is added

    asked by Anonymous
  38. Math

    How do you change 5x15 into distributive property?

    asked by Josh
  39. Science

    1. Acceleration involves a change in ____. (1 point) speed velocity displacement direction 2. Which of the following statements about acceleration is true? (1 point) Like velocity, acceleration has a direction. Your acceleration is positive when you speed

    asked by Anonymous
  40. launguage

    Read the following excerpt from “All Together Now”: What can parents do? We can put our faith in young people as a positive force. I have yet to find a racist baby. Babies come into the world as blank as slates and, with their beautiful innocence, see

    asked by derek
  41. math

    sean takes 8 hours to stain a deck then michelle. together it takes them 4.2 hour to complete the work. how long would it take sean to stain the deck by himself

    asked by Regina
  42. business math

    Christina Hercher borrowed $50,000 on a 90 day, 8 percent note. Christina paid $3,000 toward the note on day 40. On day 60 she paid an additional $4,000 using the U>S. Rule. Christina's adjusted balance after the first payment is?

    asked by Susan
  43. Trigonometry

    A 22-foot ladder leans against a house. The top of the ladder is 12 feet above the ground. Find the angle the ladder makes with the ground.

    asked by Anonymous
  44. Physics

    A 50-cm wire placed in an East-West direction is moved horizontally to the North with a speed of 2 m/s. The Horizontal and Vertical components of the earth's magnetic field at that location are 25 ìT and 50ìT respectively. What is the emf between the

    asked by Liz
  45. English

    Fire can be either friendly or a foe, depending on the situation. is this a correct paralell sentence

    asked by Tatiana
  46. math

    a pudding recipe for 50 people calls for 4 cups of sugar. each bag of sugar contains 6 cups. how many bags of sugar will be needed to make this recipe for 300 people? a. 4 bags b. 13 bags c. 24 bags d. 50 bags

    asked by mary
  47. QSO 510

    Problem 2 Build-Rite construction has received favorable publicity from guest appearances on a public TV home improvement program. Public TV programming decisions seem to be unpredictable, so Build –Rite cannot estimate the probability of continued

    asked by Anonymous
  48. English

    p w s a f m l x copy the letter string above on a piece of paper. cross out the second and last letters. replace all vowels with the letter C. Insert an O before the second C. cross out the first and third letters. Double the second letter. which letter

    asked by mary
  49. English

    My sister Aliah is both a comic and smart. Parallel Sentence?....

    asked by Tatiana
  50. To the Person who just posted an English question:

    I removed your post because of an inappropriate name. Please repost under a different name, and we'll try to help you.

    asked by Ms. Sue
  51. Math

    how many ways can you line up 11 people for a picture?

    asked by Regina
  52. math

    a new physician saw 841 clients during the first year of her practice and 1,072 the second. which represents the percentage increase in client volume? a. 22% b. 27% c. 78% d. 127%

    asked by mary
  53. Managerial Economics

    Consider the Linear demand function Q = 20 - 0.5P c- Using calculus, find the level of output, Qrmax, where total revenue reaches its maximum value. What price Prmx maximizes total revenue? What is the value of TR at this maximum point. d- Write the

    asked by alejandro guzman
  54. Chemistry

    H3BO3 -> H+ + H2BO3- Why doesn't H3BO3 break down to something with H3O+ because it is a weak acid? I know many weak acids break down to something with H3O+ like HCN, C6H5COOH, HNO2, and HF.

    asked by Anon
  55. English

    Neither the searing pain in my toe nor the blinding rain in my face will keep me from finishing the race. Is this a correct parallel sentence?....

    asked by Tatiana
  56. U.S. Government

    Which powers delegated or implied could also be referred to as expressed powers and why?

    asked by Morgan
  57. maths

    Find the largest possible value of sqrt[(x-20)(y-x)] + sqrt[(140-y)(20-x)] + sqrt[(x-y)(y-140)] if -40

    asked by John
  58. chem

    calculate the potential of a silver electrode in contact with the following: the solution that results from mixing 25ml of 0.05M KBr with 20mL of 0.1M Ag+

    asked by fahad
  59. Physics...PLZ!! =)

    A conducting rod whose length is 25 cm is placed on a U-shaped metal wire that has a resistance R of 8 Ù. The wire and the rod are in the plane of the paper. A constant magnetic field of strength 0.4 T is applied perpendicular and into the paper. An

    asked by Liz
  60. stats

    Which test should be used one samples t test, independent samples t test or dependent samples t test and how to set up the hypothesis An educational psychologist was interested in whether using a student’s own name in a story affected children’s

    asked by Anonymous
  61. fraction

    Jenna bought a spool of ribbon for her craft projects.It contained 5 3/4 meters of ribbon.She used 3 2/5 meters of ribbon for a project.How many meters of ribbon does Jenna have left? I am trying to figure this question out to help my 4 grader.so I need to

    asked by ttuuffyy
  62. Statistics

    A box contains five numbered balls (1,2,2,3 and 4). We will randomly select two balls from the box (without replacement). (a) The outcome of interest is the number on each of the two balls we select. List the complete sample space of outcomes. (b) What is

    asked by Randy
  63. Finance

    The Oakland Mills Company has disclosed the following financial information in its annual reports for the period ending March 31, 2011: sales of $1,544,077, costs of goods sold of $639,978, depreciation expenses of $175,000, and interest expenses of

    asked by Anonymous
  64. Math

    HIIIIIIIIII!!!!!!!!!!! A television set may be described in terms of the diagonal measure of its screen. If a TV screen is 16 inches by 12 inches, what is the length of its diagonal?

    asked by Hannnahhhhh
  65. algebra...

    In a school, there are 4 more students in Class A than in Class B, and 4 more students in Class B than in Class C. As a reward for good behavior, a teacher decides to give out some sweets. Every student in class C got 5 more sweets than every student in

    asked by please...help...Ms.Sue....
  66. Chem

    How many moles of gas are in a 30 liter scuba canister if the tempature of the canister is 300 k and pressure is 200 atmospheres?

    asked by Dan
  67. science

    what is the momentum of a 0.60 g bumble bee flying at 15km/h

    asked by Daniel
  68. QSO 510

    Problem 1 Adele Weiss manages the campus flower shop. Flowers must be ordered three days in advance from her supplier in Mexico. Advance sales are so small that Weiss has no way to estimate the demand for the red roses. She buys roses for $15 per dozen and

    asked by Anonymous
  69. Reading

    Is these answers correct? devoid intimidate jeopardize sneer implore introvert sibling vivacious infuriate smug 1-2. The people I love best can __ me the most. No one can make me as angry as my parents and __s can. 3-4. Please don't __ me to help you with

    asked by Fred
  70. English

    According to some economists, neither high unemployment nor large deficits will keep the economy from rebounding. How to make this a parallel sentence?

    asked by Tatiana
  71. physics

    A concave shaving mirror has a radius of curvature of 28.0 cm. For each of the following cases, find the magnification and determine whether the image formed is real or virtual and upright or inverted. (a) an upright pencil placed 41.6 cm from the mirror.

    asked by Brandon
  72. physics

    An electric force moves a charge of +1.85 10-4 C from point A to point B and performs 6.70 10-3 J of work on the charge. (a) What is the difference (EPEA - EPEB) between the electric potential energies of the charge at the two points?

    asked by Anonymous
  73. Phonemes

    I just wanted check my phonemes' division cow -c/ow (2 phonemes) tree- t/r/E (3) shopping - sh/o/p/i/ng (5) matter - m/a/t/e/r/ (5) gutters- g/u/t/e/r/s (6) horse h/o/r/se (4) car- c/a/r (3) chart /ch/a/r/t (4) see - s/e (2) saw- s/aw (2) sawing- s/aw/i/ng

    asked by Claire
  74. Finance

    The Rangoon Timber Company has the following ratios: Sales / Total assets 2.98; ROA 11.86%; ROE 14.35%. What are Rangoon’s profit margin and debt ratio?

    asked by Anonymous
  75. math

    a satisfaction survey is administered to 568 people. seventy- one people were unsatisfied with the product. which statement is true? a. 1 out of every 8 clients was unsatisfied b. 6 out of 8 clients were satisfied c. 1/4 pf the clients were unsatisfied d.

    asked by mary
  76. Finance

    An insurance company is offering a new policy to its customers. Typically, the policy is bought by a parent or grandparent for a child at the child's birth. The details of the policy are as follows: The purchaser (say, the parent) makes the following six

    asked by Anonymous
  77. Physics

    Location A is 3.40 m to the right of a point charge q. Location B lies on the same line and is 4.50 m to the right of the charge. The potential difference between the two locations is VB - VA = 45.0 V. What is the magnitude and sign of the charge?

    asked by Anonymous
  78. math

    A 2 feet piece of wire is cut into two pieces and once piece is bent into a square and the other is bent into an equilateral triangle. How much wire should be used for the square to ensure that the total area enclosed by both shapes is minimized?

    asked by Joe
  79. Morphemes

    Please check these morphemes' divisions. 1)mice -/mice/ (1) 2)sitting - /sitting/ (1) 3) punches - punch/es (2) 4)runners - /runner/s/ (2) 5)firefighters - fire/fight/ers (3) 6) Automobile - auto/mobile (2) 7)Chart - /chart/ (1) 8)horseshoe - horse/shoe

    asked by Claire
  80. chemistry

    calculate the theoretical potential of each of the following cells.is the cell reaction spontaneous as written or spontaneous in the oppsite direction? Bi|BiO+(0.04M),H+(0.2M)||I-(0.1M),AgI(sat`d)|Ag help meeeee

    asked by fahad
  81. physics

    A string under a tension of 43.0 N is used to whirl a rock in a horizontal circle of radius 2.45 m at a speed of 20.9 m/s on a frictionless surface as shown in the figure below. As the string is pulled in, the speed of the rock increases. When the string

    asked by john
  82. science

    Zinc chloride solution is poured into a solution of ammonium carbonate. need conventional, ionic and net ionic equations thanks

    asked by Danny
  83. business math

    Matt Kaminsky owns a new Volvo. His June monthly interest was $400. The rate is 8 1/2 percent. Matty's principle balanve at the beginning of June is ( Use 360 days)

    asked by Susan
  84. Chemistry

    2H2O --> 2H2 + O2 if 30 mL of hydrogen in the above reaction, how many milliliters of oxygen are produced?

    asked by Christie
  85. Spanish

    Que te gusta hacer? My choices are (A).A mi tambien (B).No,no me gusta. (C).No,me gusta Tampico. (D).Me gusta montar en monopatin

    asked by Karen
  86. Geometry

    Given: segment BD bisects angle ABC; AB=BC. Prove: triangle ABD congruent to triangle CBD

    asked by Constance
  87. Physics

    A force is applied to a door at an angle of 56.8° and 0.34 m from the hinge. a) What force produces a torque with a magnitude of 2.18 N·m? b) How large is the maximum torque this force can exert?

    asked by Mike
  88. Trigonometry

    ABC is a non-degenerate triangle such that 2\sin \angle B \cdot \cos \angle C + \sin \angle C = \sin \angle A + \sin \angle B, what is the value of \lfloor 100 \frac {AC}{AB} \rfloor ?

    asked by John
  89. business math

    Joyce took out a loan for $ 21,900 at 12 percent on March 18, 2007. Which will be due on Jan 9, 2008. Use ordinary interest, Joyce will pay back on Jan 9 a total amount.

    asked by Susan
  90. CHEMISTRY HELP!!

    When BaCl2 reacts with Na3PO4, Ba3(PO4)2 and NaCl are formed. Balance the equation and write the coefficients in the blanks.

    asked by Anna
  91. Physics

    during the 4.0 min a 5.0a current is set up in a wire, how many (a) coulombs and (b) electrons pass through any given point in the wire?

    asked by Anonymous
  92. university chemistry

    this is for a chemistry laboratory experiment called "how much caffeine is there in instant coffee" What should be the pH of the aqueous layer to extract caffeine? There are three aqueous solutions that you may choose from. A. pH >14, using 2.5 M NaOH (aq)

    asked by angela
  93. Math

    Dogs cats and donkeys had a tug of war.four cats tied with three dogs.two donkeys tied with six dogs .which side won when one donkey tugged with five cats?

    asked by Pietro
  94. Chemistry

    Starting with solid Tris base (FW 121.1) and 1 M HCl, describe how you would make 2 liters of 200 mM Tris-HCl buffer pH 7.5. pKa of Tris 8.14

    asked by Brittnay
  95. business math

    Janet Home went to Citizens Bank. She borrowed $7,000 at a rate of 8 percent. The date of the loan was Sept 20. Janet hoped to repay the loan on Jan.20. Assuming the loan is based on ordinary interest, Janet will pay back interest on Jan.20 is?

    asked by Susan
  96. chemistry

    a 23.8 g sample of unknown metal heated at 100 degrees c is placed in 50.0 mL of water at 24 degrees c resulting in 8.5 c temperature increase. What is the specific heat of the metal

    asked by Paula
  97. QSO 510

    The Newox Company is considering whether or not to drill for natural gas on its own land. If they drill, their initial expenditure will be $40,000 for drilling costs. If they strike gas, they must spend an additional $30,000 to cap the well and provide the

    asked by Anonymous
  98. math

    How many distinct 3 digit odd integers are there? Distinct meaning none of the digits repeat.

    asked by Jacobb
  99. Biochem

    5. The glass electrode used in commercial pH meters gives an electrical response proportional to the concentration of hydrogen ion. To convert these responses to a pH reading, the electrode must be calibrated against standard solutions of known H+

    asked by Anonymous
  100. Statistics

    *Give all probabilities to two decimal places. Three daily newspapers are published in a large city. Suppose we have the following facts about the people in the city: 60% read Newspaper A. 34% read Newspaper C. 72% read Newspaper A or Newspaper B. 18% read

    asked by Randy
  101. english- main idea full

    A hurricane is a very powerful storm. It is a cyclonic storm, which means that it has a circular pattern within the hurricane within the hurricane. The name hurricane refers to storms that startover the Atlantic Ocean or eastern Pacific Ocean. For example,

    asked by Kaylene
  102. Physics

    A capacitor consists of two concentric spherical shells. The outer radius of the inner shell is a=0.43 mm and the inner radius of the outer shell is b=2.2 mm . (a) What is the capacitance C of this capacitor? Express your answer in Farads. incorrect (b)

    asked by P
  103. physics

    wonder waves in shallow yellow dA.isc are 6.0 cm long. at one point, the water oscillates up and down at a rate of 4.8 of oscillations per second. A. what is the speed of the water waves? B. what is the period Of water waves?

    asked by Jordan
  104. geometry

    ABCD is a trapezoid with AB parallel to DC. If AB=25, BC=24, CD=50 and AD=7, what is the area of ABCD?

    asked by Anonymous
  105. Calculus

    a and b are integers that satisfy: \displaystyle \lim_{x \to 1} \frac{x-1}{x^2-ax+b} = -\frac{1}{3}. What is the value of a+b?

    asked by John
  106. physics

    I'm a hurry to go to work today because I forgot to set my alarm clock and woke up late. I'm driving my car very fast, with a velocity of v=40 m/s and coming up to an intersection with a stoplight. When the distance between my car and the intersection is

    asked by Anonymous
  107. Math

    James uses a measuring wheel to find the length of a cross-country race course he holds the handle and rolls the wheel along the course.The wheel has a radius of 1 foot and it turns 2,000 times from the beginning to the end of the race course, how long is

    asked by Jaiden
  108. english- main idea

    A hurricane is a very powerful storm. It is a cyclonic storm, which means that it has a circular pattern within the hurricane within the hurricane. The name hurricane refers to storms that startover the Atlantic Ocean or eastern Pacific Ocean. For example,

    asked by Kaylene
  109. Government

    In which type of colony did strict governors anger the colonists? A. the royal colonies B. the proprietary colonies C. the charter colonies D. the informed colonies

    asked by john
  110. Chemistry

    How many moles of gas are in a 30 liter scuba canister if the tempature of the canister is 300 k and pressure is 200 atmospheres?

    asked by Dan
  111. Math

    The total resistance of two circuits in parallel is 15 ohms and one circuit has five times the resistance of the other, find the resistance of each circuit. Use 1/R=1/R1+1/R2. R1 and R2 are two individual resistances. a)Find the smaller resistance b)Find

    asked by Megan
  112. math

    Ron's car has a 12-gallon gas tank. If gas costs $1.45 per a gallon, how much will it cost to fill the tank?

    asked by ashanti
  113. university chemistry

    many cola soft drinks contain caffeine and benzoic acid (pKa 4.2), explain how you would isolate separately pure caffeine and benzoic acid from an aqueous solution containing both compounds

    asked by angela
  114. Physics

    A ball is dropped from a height of 20m. When it bounces, it rebounds with a speed that is one half of the speed at which it hits the ground. How high does it bounce?

    asked by Sam
  115. Calculus

    A magic tank starts out 4 inches in length, 4 inches wide, and 12 inches deep. As the tank is filled, it magically expands proportionally keeping it rectangular form just big enough to hold the liquid. If the liquid is being pumped into the tank at 8 cubic

    asked by John
  116. AS machanics

    A particle P of mass 2kg is attached to one end of a light rod of length 0.5m which is free to rotate in a verticle

    asked by Lynn
  117. Physic

    An aluminum ring of radius 5.00 cm and resistance 2.00 10-4 Ω is placed around the top of a long air-core solenoid with 997 turns per meter and a smaller radius of 3.00 cm, as in the figure below. If the current in the solenoid is increasing at a constant

    asked by John
  118. Calculus

    Consider the ellipse plotted by x^2+9y^2=9. Find the y-coordinate of the point on the ellipse that is farthest from the point (0,1). Your answer should be expressed as a fraction of whole numbers.

    asked by Joe
  119. chemistry

    Use molecular orbital theory to predict whether the bond order in the superoxide ion, O2-, should be higher or lower than the bond order in neutral O2 molecule. Is the bond order of O2- higer or lower than that of O2?

    asked by adex
  120. maths-surface area

    The diameter of a road roller is 140cm and its length is 2.2m. It takes 400 complete revolutions to move over to level a stretch of a road 2.2m wide find the surface area of stretch of road leveled in m sq.

    asked by anoynomous
  121. math

    Willem bought a jacket on sale. The price was 40% off the original price of $60. How much did he pay? Please answer and explain.

    asked by Anonymous
  122. calculus help please!

    The infamous Wile E. Coyote has been chasing the Roadrunner again. His latest idea for a trap involved launching an enormous boulder (about 16ft in diameter) up to a height of 750 ft, hoping that it would come down crashing on the unsuspecting Roadrunner.

    asked by Kim
  123. Physics

    Ten meters away from a long straight wire, the field is 10-4 (10 to the negative four) Tesla. What current flows through the wire? I know the answer is 5.0kA but I am not sure what formula to use.

    asked by Mar
  124. stats

    Which test should be used one samples t test, independent samples t test or dependent samples t test You may have heard that eating salt can influence people’s weight. Assume that the normal weight of 20-year-old females is 150 pounds. You obtain a

    asked by kelly
  125. PHUSICS

    An old English nursery rhyme starts off "Jack and Jill went up the hill to fetch a pail of water". If the hill is 10 m high and Jack weighs 700 N, how much work in Joules did Jack need to do to get to the top of the hill?

    asked by Anonymous.....ANYONE....PLEASE HELP...
  126. medical coder

    location inpatient hospital patient russell shergrud attending physician gregory dawson,md preprocedured diagnosis acute respiratory failure postprocedure diagnosis acute respiratory failure procedure performed intubation with a #8 endotracheal tube. what

    asked by LaDonna
  127. Algebra

    How many ordered pairs of solutions (a, b) are there to \frac{a}{b} - \frac{b}{a} - \frac{2}{a} - \frac{2}{b} = 0, where a and b are integers from -100 \leq a,b \leq 100?

    asked by John
  128. Physics

    You launch a model rocket up into the sky. Right after launch the rocket is accelerating upwards at 10~m/s^2. What is the magnitude of the net force in Newtons on the rocket if the rocket has a mass of 0.1 kg?

    asked by John
  129. Physics

    Electrons are accelerated to reach a kinetic energy of 250 eV (= 4.0 x 10-17 J). If the acceleration is done in a distance of 0.20 m, what is the magnitude of the electric field causing the acceleration?

    asked by Lauren
  130. accounting

    13. A drawback to using _______ when inventory costs are rising is that the company reports lower net income. A. LIFO B. FIFO C. specific-identification costing D. average costing 14. The balance sheet format that lists assets

    asked by sara
  131. math

    Jane painted a 12ft. x 12ft. mural in 45 minutes. How long will it take to paint a 15ft. x 16ft. mural?

    asked by Patty
  132. Math

    Ms Washington buy a refrigerator that is 6 feet high, 3feet deep and 4 feet wide ,how many floor space does she need to fit the refrigerator

    asked by Zack
  133. Math

    The legs of an isosceles triangle measures 2x^4+2x-1 units. The perimeter of the triangle is 5x^4-2x^3+x-3 units. Write a polynomial that represents the measure of the base of the triangle.

    asked by Ally
  134. Math

    A piece of wood is 8 ft long is to be divided into two pieces where one of the two is twice as long as two feet less than the other piece. What are the sizes of the two parts

    asked by Yanim
  135. chemistry

    what volume of oxygen at STP is required to affect complete combustion of 200cc of acetylene and what would be the volume of co2 formed?

    asked by aishwarya
  136. chemistry

    Construct the correct structure for AsClF42-. You can begin by selecting an option from the menu on the right, then by filling in atoms and electron pairs (ep, if any) into the appropriate locations. Please construct the molecule such that the dipole is

    asked by adex
  137. physics

    wonder waves in shallow yellow disc are 6.0 cm long. at one point, the water oscillates up and down at a rate of 4.8 of oscillations per second

    asked by Jordan
  138. HIstory HELp!!

    Please help with history? I have a project where I have to find the primary and or secondary source of today's time. The questions are 1.what is the context of the primary/secondary source that you have discovered? 2.what do you believe this reveals about

    asked by Jessica
  139. Math

    If there are 12 square tiles and each tile measure 1 foot on each side ,how many non congruent rectangle can you make.Each rectangle must use all 12 tiles

    asked by Zack
  140. Finance

    Breckenridge Ski Company has total assets of $590,618,083 and a debt ratio of 36.46 percent. Calculate the company’s debt-to-equity ratio and equity multiplier

    asked by Anonymous
  141. Physics 11th grade 3

    1) A box with a mass of 17 kg is moving at a velocity of 3.75 m/s. If the box was pushed with a force of 75 N how far did it go? 2) Calculate the momentum for a 0.18 kg rifle bullet traveling 369 m/s. 3) What is the impulse needed to stop the bullet? 4)Ice

    asked by Isis
  142. maths-probabilty(urgently needed)

    A box contains 5 red balls and 6 black balls. in how many ways can 6 balls be selected so that there are at least two balls of each color?

    asked by anoynomous
  143. chemistry

    Carbon reacts with chlorine and hydrogen to form the compound CH3Cl. (a) Construct the structure of CH3Cl.

    asked by adex
  144. ..

    if you already had the chiken pox you can be arournd a person with the disease without no fear of becoming sick. what feature of the immune system explains this? a. acquired immunity b. cell- mediated immunity c. humoral immunity d. primary immune system

    asked by mary
  145. Algebra

    I need to factor out the greatest common monomial factor: 1) 20x^2y^2 - 4xy 2) 18s^2t^5 - 2s^3t 3) -2g^4 +14g^2 + 6g

    asked by Scott
  146. Physics

    A man is standing on a cliff and throws a ball outward 50m/s at an angle of 53 degrees. It hits the base of the cliff in 10 seconds. Find: a) The height of the cliff b) the angle at which the ball goes into the sea c) if the ball will hit a boat 150m out

    asked by Sam
  147. Physics

    When a man in a cage whose weight is 1000N pulls a rope that is attached on a cage around a fixed pulley,the force he exerts on the floor of the cage is 450N ,if the cage weigh 250N ,find the acceleration

    asked by Pretender
  148. Algebra

    In a certain positive fraction \frac{a}{b} , the numerator is 2 less than the denominator. If the numerator and denominator are interchanged, the fraction is increased by 1 \frac{1}{15} . Find a + b .

    asked by John
  149. Engish

    Is these correct: Simple-Dolphins are very intelligent, social creatures. Compound- Dolphins are very intelligent and social creatures. Help on these on: Simple- Katy is thinking she might like to become a marine biologist one day.

    asked by Sufi
  150. CHRIST MATH

    Divide 20 into 4 parts which are in AP such that ratio between the product of the 1st part and the 4th part to the 2nd and 3rd part is 2:3 find the AP

    asked by pavithra
  151. paramount

    Can you help me with a short interpretation for this poem? "A Voice" by Pat Mora.

    asked by manny
  152. Algebra

    Use the following table of values to find the equation of the trend line for the scatter plot. x 1 2 3 4 5 6 7 8 y 1.5/2.6/2.2/3 2.9/4.6/ 4.2/5 A.y = –2x + 1 B.y = 0.5x + 1 C.y = x + 2 D.y = 0.5x + 3 I think it is B...? I am not positive

    asked by Cassie
  153. math

    From Canoeville it is 2.4 kilometers to White Beach and 3.0 kilometers to the Lodge. How far is it from White Beach across the lake to the Lodge?

    asked by Jessie
  154. Physics

    Which of the following parallel-plate capacitors hold the largest charge? A) A capacitor with area A and separation 2d connected to voltage 4V B) A capacitor with area 2A and separation d connected to voltage 2V C) A capacitor with area 2A and separation

    asked by Elbe
  155. English

    The space shuttle was both a marvel and huge. Parallel Sentencce?....

    asked by Tatiana
  156. Math

    The legs of an isosceles triangle measures 2x^4+2x-1 units. The perimeter of the triangle is 5x^4-2x^3+x-3 units. Write a polynomial that represents the measure of the base of the triangle.

    asked by Ally
  157. Applied Calculus

    If an open box has a square base and a volume of 112 in.3 and is constructed from a tin sheet, find the dimensions of the box, assuming a minimum amount of material is used in its construction. (Round your answers to two decimal places.) Height: Length:

    asked by Jacob
  158. Math

    having trouble figuring out this problem. During the first 4 wks of school, a cafeteria worker made more than 840 tacos. She made the same number of tacos each week. Which inequality best represents t, the number of tacos she made during 1 week. a. t > 410

    asked by Brandi
  159. Geometry

    The Z company specializes in caring for zebras. They want to make a 3-dimensional "Z" to put in front of their company headquarters. The "Z" is 15 inches thick and the perimeter of the base is 390 inches. What is the lateral surface area of this "Z"?

    asked by Eddie
  160. English

    I urgently need to prepare these sentences for tomorrow. Could you please have a look at them? 1.If they told me to clean my room, I would. 2.You’d better take the keys in case I might still be out when you come back. 3. Would all this have happened if

    asked by John
  161. maths-probabilty

    A box contains 5 red balls and 6 black balls. in how many ways can 6 balls be selected so that there are at least two balls of each color?

    asked by anoynomous
  162. english grammar

    Ramesh generally drinks an orange juice

    asked by dennis
  163. to Dr Jane

    Please don't post incorrect answers to students questions. If you're the least bit unsure, don't post anything at all.

    asked by Writeacher
  164. physics

    Harper applies a force of 92 N on a heavy box by using a rope held at an angle of 45 degrees with the horizontal. What are the vertical and horizontal components of the 92N force?

    asked by Staci
  165. biology

    Problem 5: Functional Groups On the structure of MTX below, identify the functional groups that are present by dragging the functional group name listed below onto the appropriate target boxes on the structure.

    asked by Anonymous
  166. chemsitry

    How many moles of \rm CaC_2O_4 are present in this kidney stone?

    asked by indeus evans
  167. Math

    How many strips of paper 4inches long and 1 inch wide can be cut from a piece of paper 8 inches long and 6 inches wide

    asked by Zack
  168. chemistry

    If you start with 40.30 grams of silver nitrate and excess HCl, how much silver chloride could I make?

    asked by Maryann
  169. Science

    If you exert a force on an object in motion you will change its _____. A.mass B.weight C.inertia D.momentum I think it is D....?

    asked by Cassie
  170. Math

    Last semester, a certain professor gave 36 As out of 390 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives one grade.)

    asked by Tan
  171. Chemistry

    2H2O --> 2H2 + O2 if 30 mL of hydrogen in the above reaction, how many milliliters of oxygen are produced?

    asked by Christie
  172. math

    simplify using the laws of exponents 30. (14y)4 ^

    asked by alexius
  173. Integrals

    Evaluate è R xy dA , where R is the region bounded by x^2 +y^2 =0 and y>=0

    asked by Tony
  174. Calculus

    Evaluate  [double intergal (R xy dA)] , where R is the region bounded by x^2 +y^2 =0 and y>=0

    asked by Tony
  175. stats

    Which test should be used one samples t test, independent samples t test or dependent samples t test You may have heard that eating salt can influence people’s weight. Assume that the normal weight of 20-year-old females is 150 pounds. You obtain a

    asked by kelly
  176. Math

    What volume of hydrogen is necessary to react with five liters of nitrogen to produce ammonia? N2 + 3H2 --> 2NH3

    asked by Christie
  177. geometry

    A pyramid has a square bottom, with an area equal to 64 squares meters. the height of the pyramid is 7 inches. if you start at the top of the pyramid and slide all the way down the middle of one of the sides how many feet will you move?

    asked by Kevin
  178. College Chemistry

    2NO(g)+O2(g)2NO2(g) has KP = 2.77 × 1011 at 25 °C. Suppose a mixture of the reactants is prepared at 25 °C by transferring 0.943 g of NO and 589 mL of O2 measured at 30.7 °C and 829 torr into a 1 L vessel. When the mixture comes to equilibrium, what

    asked by Peter
  179. biology

    Given the part of the molecule shown below, can the underlined atom participate in a hydrogen bond with an approriate bonding partner? −O−−−H −C−H−− −N−−−H −O−H−− −C−−−H −N−H−−

    asked by selly
  180. English

    Thank you! Specific sentence about capitalizating: The sentence is also long. Would you break it up like my eaxample. I have a Web Design and Interactive Media Associates degree. I also have experience in basic web design, graphic design, basic web

    asked by Bernie
  181. Chemistry

    (1) Use the thermodynamic values to (a) deduce the enthalpy change of each reaction (b)state if the reaction is exothermic,or endothermic,and also how much energy is released or absorbed. For thi reactions; (1) NH4NO3 (s)------>N2 (g) + 2H2O (l) (2) 4Zn

    asked by Shane
  182. Physics

    Every once in a while a bird will get hit by a baseball during a baseball game. The longest home runs in baseball land about 500 feet (which is 152.4 meters) from home plate. If these balls leave the bat at a 45 degree angle to maximize their distance,

    asked by John
  183. math

    The product of the first five terms of a geometric progression is 32. If the fourth term is 17, compute the second term.

    asked by Will
  184. Math

    I have 5 friends. I bought three pizzas (all the same size). One was divided into 4 equal parts, the 2nd was divided into 6 equal parts and the 3rd pizza was divided into 8 equal parts. Is there any way I can show how to share these pieces so that each of

    asked by Sasha
  185. calculus

    Let V be the volume of the 3-dimensional structure bounded by the paraboloid z=1−x^2−y^2, planes x=0, y=0 and z=0 and by the cylinder x^2+y^2−x=0. If V=aπ/b, where a and b are coprime positive integers, what is the value of a+b?

    asked by Saksham
  186. Quantum Physics

    Alice and Bob share a state a| + +> + b |- -> , where the first qubit is Alice's and the second qubit is Bob's. Alice measures her qubit in the standard basis and sends the measurement outcome to Bob. If Bob wants his qubit to end up in the state a |0> + b

    asked by JAY
  187. math

    A number increased by 2/5 of it becomes 210. what is the number?

    asked by RR
  188. Physics

    A particle P of mass 2kg is attached to one end of a light rod of length 0.5m which is free to rotate in a vertical plane about its other end.The particle describes complete circles, Given that the tension at the bottom is 5times the tension at the highest

    asked by Lynn
  189. Math

    How many strips of paper 4 inches long and 1 inch wide can be cut from a piece of paper 8 inches long and 6 inches wide

    asked by Zack
  190. SCIENCE

    when a diorite partially melts, which element(1)............ decreases in the melt as a(2).......... magma forms. I have few options to choose from a)iron b)andesite c)rhyolite d)potassium f)basalt No one has

    asked by john
  191. science plz help

    Identify the one statement that is incorrect? all but one of the following statement about the melting and crystallization of magmas is correct.identify the one statement that is incorrect. 1)the presence of water decreases the melting temperature of

    asked by miriam
  192. Chemistry

    If you add enough water to 175.0 mL of a .15 M NaCl solution until the final volume is 350.0 mL, what will the molarity of the diluted solution be?

    asked by Tim
  193. reading

    why did the narrator of the story the gold caducallic seem proud

    asked by najyah
  194. Math

    How many strips of wood can you have from an 8 inches long and 36 inches wide if the strips are 4 inches long 1 inch wide

    asked by Zack
  195. HISTORY

    Please help with history? I have a project where I have to find the primary and or secondary source of today's time. The questions are 1.what is the context of the primary/secondary source that you have discovered? 2.what do you believe this reveals about

    asked by Jessica
  196. College Mathematics

    Probability. Select one card. One card is selected from a deck of playing cards. Determine the Probability of selecting a Jack OR a club. P(AorB)= P(A) + P(B) - P(A and B)

    asked by slomomo
  197. english

    Discuss Midnight Children as a landmark in the history of indian novel in English (45o words)?

    asked by lakpa
  198. Math

    If you h ave an 8 inches long and 36 inches wide strip ,how many strips of wood can you have if it is 4 inches long and 1 inch wide

    asked by Zack
  199. Chemistry

    For 520ml water calculate initial and final pH after adding 0.02ml HCl

    asked by Anonymous
  200. English

    I know that in a sentence of three or more words or phrases we need commas, but are the sujects supposed to be capitalized if not why or why not. Sample sentence below: As I have a Web design and interactive media associate degree, I do have experience in

    asked by Bernie
  201. Reading

    Which of the following sentences uses commas with appositives correctly? (1 point) a.Mr. Van Daan’s son, Peter, spent a lot of time with Anne. b. Margot, Anne’s sister is the oldest. c. Miep the one who helped them, stopped coming. d.Mrs. Van Daan the

    asked by Gia
  202. Chemistry

    A salicyclic acid (MW= 138.123 g/mol) solution has a pH of 2.43. When 100 ml of this solution was evaporated 0.22g of dry salicylic acid was recovered. What is the Ka of salicylic acid?

    asked by Nina
  203. Maths

    A tyre manufacturer has chosen 48 tyres at random from a production line and issued them to taxis for testing. Assume that the 48 numbers you have selected refer to the number of thousands of kilometres travelled during the life of each tyre. (For example,

    asked by Anna
  204. Chemistry

    2H2O --> 2H2 + O2 if 30 mL of hydrogen in the above reaction, how many milliliters of oxygen are produced?

    asked by Christie
  205. Biochemistry

    Explain how to prepare 1L of a buffer at pH 7.4 using 1M hypochlorous acid (Ka = 3.5 x 10-8) and a 1 M NaOH solution. Indicate the volume of hypochlorous acid and sodium hydroxide to use.

    asked by Jen
  206. math

    How many distinct prime factors does 100100 have?

    asked by ayan
  207. Science

    When object A collides with object B and bounces back, its final momentum is _____ its initial momentum. A.greater than B.less than C.in the same direction as D.in the opposite direction of I think it is D...?

    asked by Cassie
  208. Grammar

    Rewrite each of the following run-ons. 1). Originally, humans domesticated animals for transportation the first animals to be used this way were camels, goats and oxen. 2). Another important event was the invention of the wheel, later crude carts and

    asked by Anonymous
  209. organic chemistry

    what do we need to consider when choosing a solvent to heat under reflux? Would one be the boiling point of the solvent?

    asked by Anonymous
  210. precalc

    The front sprocket off a bicycle is 12 centimeters and the rear one is 5 centimeters. If the front sprocket is rotating at 40 revolutions per minute, what is the angular velocity of the little sprocket?

    asked by Jessica
  211. pre calc

    The front sprocket off a bicycle is 12 centimeters and the rear one is 5 centimeters. What is the linear velocity of the chain around the back sprocket? if the bicycle has tires that have a 38 centimeter diameter, how fast is the bicycle moving?

    asked by Sarah
  212. science

    which structure is common to both prokaryotic and eukaryotic cells ? a. mitochondria b. cell membrane c. endoplasmic reticulum d. pladtids

    asked by mary
  213. Physics

    A block of mass m1 = 22.0 kg is connected to a block of mass m2 = 40.0 kg by a massless string that passes over a light, frictionless pulley. The 40.0-kg block is connected to a spring that has negligible mass and a force constant of k = 260 N/m as shown

    asked by Anonymous
  214. Math

    Can you arrange the numerals 1 to 9 (1, 2, 3, 4, 5, 6, 7, 8 and 9) in a single fraction that equals exactly 1/3 (one third)? Could someone explain how you get the answer to the problem, please don't just say the answer!

    asked by Janey
  215. Chemistry

    What is the change in enthalpy when 17.0 g of liquid mercury is heated by 31°C?

    asked by Mike
  216. biology

    Allegra is a blockbuster allergy medication that generated over $1.8 billion in global sales in 2004. Allegra, or Fexofenadine, decreases allergy symptoms by inhibiting the action of histamines. Histamines are naturally occurring molecules that are

    asked by selly
  217. criminal justice

    What would a careful researcher ask about a Web site called "Facts about pesticides and health" published by the Coalition for a Chemical-Free Environment?

    asked by Erica
  218. Physics

    A ball is dropped from a height of 20m. When it bounces, it rebounds with a speed that is one half of the speed at which it hits the ground. How high does it bounce?

    asked by Kit
  219. Algebra

    Find the largest possible real value of \sqrt{(x-20)(y-x)} + \sqrt{(140-y)(20-x)} + \sqrt{(x-y)(y-140)} subject to -40\leq x \leq 100 and -20\leq y \leq 200.

    asked by John
  220. chemistry

    1L of a buffer composed of acetic acid and sodium acetate has a pH of 4.3 (total molarity=0.0774) what is the capacity of 200mL of the buffer to survive an addition of HCl without changing by more than 0.4 pH units? i am so lost please help! i know you use

    asked by Ashley
  221. Lang Arts! HELP!

    Jaws of the Water ACT TWO At rise we see DAD, TINA, and MARK rushing in and out of the living room. Each enters carrying important items—such as sleeping bags, rain gear, and gallons of water—sets them down, and exits. All three come in together, and

    asked by waldo
  222. physics

    A charged particle with a charge-to-mass ratio of |q|/m = 5.7 × 108 C/kg travels on a circular path that is perpendicular to a magnetic field whose magnitude is 0.86 T. How much time does it take for the particle to complete one revolution?

    asked by shannon
  223. English

    Posted by rfvv on Tuesday, March 12, 2013 at 5:35pm. Posted by rfvv on Monday, March 5, 2012 at 7:39pm. Try hard to succeed. (What is the part of speech of 'to succeed'? Is 'to succeed' the object of the verb 'try'? Or is 'to succeed' the adverbial phrase

    asked by rfvv
  224. Geometry

    7 points are placed in a regular hexagon with side length 20. Let m denote the distance between the two closest points. What is the maximum possible value of m?

    asked by John
  225. Calculus

    A train driver is driving along and he suddenly puts on the brakes. After he holds the brakes for t seconds, the train's sliding distance can be measured as d(t) = 30t - 0.6t^2 (in meters). When the train stops, how far did the train slide (in meters)

    asked by John
  226. business math

    Jnaet took out a loan of $50,000 from Bank of America at 8 percent on March 9, 2006 which is due on July 8, 2006. Using exact interest, the amount of Janet's interest is?

    asked by Susan
  227. Math

    List all 2 digit numbers for which the sum of the digit is 5

    asked by Zack
  228. maths

    Find the area of an equilateral triangle whose base is 10 cm.

    asked by Shane
  229. Geometric Sequence

    The product of the first five terms of a geometric progression is 32. If the fourth term is 17, compute the second term.

    asked by Will
  230. Math

    List all 3digit numbers for which the sum of the digit is 3

    asked by Zack
  231. math

    x^2-4x+32=0. would the final answer be 2 +or- 2 sqrt7 ?

    asked by Robin
  232. math

    what is the probability that two dice numbered 1-6 will roll 7

    asked by bones
  233. The principles of color

    The word red describes the -------- of a color A. Hue B. value C. Intensity D. Shade

    asked by Anonymous
  234. French Imparfait

    In the imperfect form of this: the nous version wouloir do you take off the IR and the O or just the IR? What would it be?

    asked by Bryce
  235. Quantum Physics

    Alice and Bob share a state a| + +> + b |- -> , where the first qubit is Alice's and the second qubit is Bob's. Alice measures her qubit in the standard basis and sends the measurement outcome to Bob. If Bob wants his qubit to end up in the state a |0> + b

    asked by JAY
  236. Physics

    Consider a capacitor made of two square plates of side 'l' . The distance between the two plates is 'd'. a) We insert a dielectric of dielectric constant K>1 and width l, a distance x (as in the diagram). What is the total capacitance of this arrangement?

    asked by Phy
  237. Quantum Physics

    Alice and Bob share a state a| + +> + b |- -> , where the first qubit is Alice's and the second qubit is Bob's. Alice measures her qubit in the standard basis and sends the measurement outcome to Bob. If Bob wants his qubit to end up in the state a |0> + b

    asked by Tony
  238. bio chem

    Explain how to prepare 1L of a buffer at pH 7.4 using 1M hypochlorous acid (Ka = 3.5 x 10-8) and a 1 M NaOH solution. Indicate the volume of hypochlorous acid and sodium hydroxide to use. pH = pKa + log ([A-]/[HA]) Ka= [H+][A-]/[HA] Molarity = moles/L

    asked by Anonymous
  239. Physics

    A very long cylindrical capacitor consists of two thin hollow conducting cylinders with the same axis of symmetry. The inner cylinder has a radius a, the outer one has a radius b. You may ignore end effects. (a) Fig. 1 (b) Fig. 2 (a) What is the

    asked by P
  240. Math

    You have 12 square tiles,each tile measures 1 foot on each side,how many non congruent rectangles can you make ?,each rectangle must use ll 12 tiles

    asked by Tim
  241. math

    most credit cards require that you pay a minimum monthly payment of 2% of the balance. Based upon a balance of $5,270.00 what would the minimum payment be?

    asked by Regina
  242. 5th grade math

    bill is replacing the grass in his yard with cement .the yard is 300m long and 100m wide. if cement is 15cents per cm how much would it cost?

    asked by kit
  243. Physic

    A pickup truck has a width of 78.9 in. If it is traveling north at 36 m/s through a magnetic field with vertical component of 33 µT, what magnitude emf is induced between the driver and passenger sides of the truck?

    asked by John
  244. English

    How to put these in a compound sentence? Simple-Dolphins are very intelligent, social creatures. Simple-Katy is thinking she might like to become a marine biologist one day

    asked by Aprilly
  245. calculus

    Suppose f satisfies the differential equation dy/dx=y+1 and f(0)=1. In other words, f′(x)=f(x)+1 and f(0)=1. Use Euler's method with a step size of 0.5 to approximate f(1.5).

    asked by Joe
  246. Geometry

    Point M is the midpoint of the line equation ABMC. Which of the following is not true? (1)AM = MC (2) AB < MC (3) AM > BC or (4) BM < MC

    asked by Linda
  247. english

    Write short notes on structure of Clear Light of Day

    asked by lakpa
  248. English

    Does this sentence sound good for a beginning of a job proposal. “To begin with, I know that the designer for this freelance job would need to consider a dimensional look.

    asked by Bernie
  249. The principles of color

    Which one of these color combinations is a complementary color scheme A. Yellow and violet B. red, red-orange ,and orange C. Red and yellow D. Yellow,green, and blue

    asked by Anonymous
  250. language arts

    I need help writing a review for the book Helmet for My Pillow by Robert Leckie If anyone could give me an example that I could follow that would be well appreciated!

    asked by red
  251. physics

    Amplitude of the wave is 0.2m. The time period of the vibration is 0.5secs. Calculate the frequency, velocity and the wave length.

    asked by Priya
  252. MAths algebra

    Tiger woods won the Buick Invitational.The following scorecard shows the result of Round1.there are 18 holes? per round and the table shows the number of times woods got each type of score. Score on a hole and Number of times score occurred Eagle (-2) 2

    asked by Firdous
  253. physics

    a kids marble rolls of a 63 cm tall table a a speed of 30 cm/s. How far from the based of the table will the ball land?

    asked by lisa
  254. physics

    You launch a model rocket up into the sky. Right after launch the rocket is accelerating upwards at 10 m/s^2. What is the magnitude of the net force in Newtons on the rocket if the rocket has a mass of 0.1 kg?

    asked by Jacobb
  255. algebra

    1/2-3m/4 +7=4m- 9- m/28

    asked by brock
  256. physics

    A 6 N force acts on a current carrying wire of length 0.5 m that is placed in a 1.5 T external magnetic field. What is the current in the wire?

    asked by Billy
  257. STAT

    The distribution of heights of a population of adults is approximately normal with mean 66 inches and SD 2.5 inches. 1. Approximately what percent of the adults are over 6 feet tall? 2. Approximately what percent of the adults have heights that are within

    asked by HELPPPPP
  258. math

    write 67% in decimal form?

    asked by Alexius
  259. algebra

    What is the sum of all the possible values of a for which 25x^2+(a−15)x+9 has exactly one distinct real root?

    asked by please...help...urgent..
  260. STAT.

    The average weight of a group of people is 156 pounds and the SD is 25 pounds. A statistician wants to transform the weights so that the transformed weights have an average of 100 pounds and an SD of 10 pounds. Fill in the blanks; both blanks must be

    asked by HELPPPPP
  261. STAT.

    The average weight of a group of people is 156 pounds and the SD is 25 pounds. A statistician wants to transform the weights so that the transformed weights have an average of 100 pounds and an SD of 10 pounds. Fill in the blanks; both blanks must be

    asked by HELPPPPP
  262. MATHS..

    In distinct odd-town, the inhabitants want to number their houses with 3-digit integers that are odd, which have all distinct digits. What is the maximum number of houses in odd-town?

    asked by PLEASE...HELP..
  263. science

    Ecological ________ - normal, gradual changes that occur in the types of species that live in an area. Help please and help me fast please!!!!!

    asked by hannah
  264. Math/209

    Dimensions of a Box A box is made from a rectangular piece of metal with length 50 inches and width 40 inches by cutting out square corners of length x and folding up the sides. (a) Write an expression that gives the surface area of the inside of the box.

    asked by Shay
  265. chemistry

    1L of a buffer composed of acetic acid and sodium acetate has a pH of 4.3 (total molarity=0.0774) what is the capacity of 200mL of the buffer to survive an addition of HCl without changing by more than 0.4 pH units? i am so lost please help! i know you use

    asked by Ashley
  266. Chemistry

    How many grams of NH3 can be produced if 105g of NH4OH are completey decomposed?

    asked by Morgan
  267. Math

    A field trip costs $8.50 per student. If 125 students are going on the trip and a total of $1011.50 has already been collected, how many students have not paid yet?

    asked by Joe
  268. College Mathematics

    This is a repost. I posted a question 2 days ago and the response was wrong. The question was on Probability. The question was One card is selected from a deck of playing cards. Determine the probability of selecting a jack OR a club. use this rule P(A or

    asked by slomomo
  269. Finance

    Caustic Chemicals management identified the following cash flows as significant in their year end meeting with analysts: During the year Caustic repaid existing debt of $250,818 and raised additional debt capital of $693,120. It also repurchased stock in

    asked by Anonymous
  270. Finance

    Recreational Supplies Co. has net sales of $9,191,375, an ROE of 31.02 percent, and a total asset turnover of 2.42 times. If the firm has a debt-to-equity ratio of 0.76, what is the company’s net income?

    asked by Anonymous
  271. Calculus

    Find a such that the volume inside the hemisphere and inside the cylinder one half the volume of the hemisphere

    asked by Dummy
  272. Chem.

    Name the Products & Reactants for: Moving Car Evaporating puddle Electrolysis of water Baking Soda mixed with vinegar

    asked by Sufi
  273. precalc

    The front sprocket off a bicycle is 12 centimeters and the rear one is 5 centimeters. What is the linear speed of the chain going around the first sprocket?

    asked by Sarah
  274. pre calc

    The front sprocket off a bicycle is 12 centimeters and the rear one is 5 centimeters. What is the linear velocity of the chain around the back sprocket? if the bicycle has tires that have a 38 centimeter diameter, how fast is the bicycle moving?

    asked by Sarah
  275. Math

    If the sum of 2 whole numbers is 76, their product is at most how much?

    asked by Nomad
  276. life orientation

    write a critical explanation on each of the following:the high drop out rate (why learners stop their studies)and failure rate in their first year at colleges or universities

    asked by lerato
  277. Maths

    A tyre manufacturer has chosen 48 tyres at random from a production line and issued them to taxis for testing. Assume that the 48 numbers you have selected refer to the number of thousands of kilometres travelled during the life of each tyre. (For example,

    asked by Bella
  278. maths-probabilty

    A man has brought tomota and five fruits from market. How many ways he can prepare mixed jam by selecting any 3 fruits excluding tomato

    asked by anoynomous
  279. Trig

    a. Form a pair of simultaneous equations by letting y1 equal the left side and y2 equal the right side of sqrt 5-x=1. b.Repeat part (a) with the equivalent equation sqrt 5=x+1 c. Repeat part (a) with the equivalent equation sqrt 5-x-1=0

    asked by Lavanda
  280. Science

    Name the Products & Reactants for: Moving Car Evaporating puddle Electrolysis of water

    asked by Sufi
  281. physics

    if a studebt standing on the scale and the scale reads zero should the student worry...when on an elevator

    asked by mmeli
  282. Algebra

    How do I factor out the greatest common monomial factor? 1) 9m^7 - 3m^2 2) 12a^5 + 8a 3) I need to describe and correct the error in facotring out the greatest common monomial factor of 18x^8 - 9x^4 - 6x^3 18x^8 - 9x^4 - 6x^3 = 3x(6x^7 - 3x^3 - 2x^2) is

    asked by Scott
  283. Algebra

    I need to solve these equations : 1) 5w^2 - 5w = 0 2) 2x^2 + 15x = 0 3) -32y^2 - 24y = 0 4) 6h^2 = 3h 5) -42z = 14z 6) -12p^2 = -30p

    asked by Scott
  284. Math

    Allison has a set of letter block each block is a unit cube. What is the volume of the figure she can build out of only vowels?what is the volume of the figure she can build out of all the letters?

    asked by Anonymous
  285. Chemistry

    A salicyclic acid (MW= 138.123 g/mol) solution has a pH of 2.43. When 100 ml of this solution was evaporated 0.22g of dry salicylic acid was recovered. What is the Ka of salicylic acid?

    asked by Nina
  286. Algebra

    Let \phi(n) be the Euler Phi Function. If 1 \leq n \leq 1000, what is the smallest integer value of n that minimizes \frac{\phi(n)}{n}?

    asked by John
  287. Science

    Name the Products & Reactants for: Moving Car Evaporating puddle Electrolysis of wate

    asked by Frany
  288. chemistry

    Which of the following combinations of atomic orbitals can combine to form sigma bonds? s-ss-pp-phybrid orbital - hybrid orbitalhybrid orbital - shybrid orbital - p What is the bond angle (in degrees) resulting from sp hybridization? What is the bond angle

    asked by adex
  289. Algebra

    Consider all three-digit numbers that are greater than the sum of the squares of their digits by exactly 543. What are the last three digits of the sum of these numbers?

    asked by John
  290. Algebra

    What is the sum of all the possible values of a for which 25x^2 + (a-15)x + 9 has exactly one distinct real root?

    asked by John
  291. Chemistry

    Do elements with higher masses always have lower average velocity than those elements with a low mass? Thanks

    asked by Shadow
  292. Algebra

    If f(x) = 2x + 5 and g(x) = 8-3x^2, what is the value of f(g(4)) - g(f(4))?

    asked by John
  293. algebra

    a rock is thrown witha velocity of 20 meters per second from the top of a 24 meter high cliff and it misses the cliff on the way back down. when will the rock be 10 meters from the water below? round your answer to two decimal places

    asked by Anonymous
  294. Algebra

    Joe picks 2 distinct numbers from the set of the first 14 positive integers S = \{1,2,3,\ldots,14\}. The probability that the sum of the 2 numbers is divisible by 3 can be expressed as \frac{a}{b}, where a and b are coprime positive integers. What is the

    asked by John
  295. chemistry

    3. You will be using 10.0 mL of silver nitrate solution labeled 170.0 g/L. How many grams of silver nitrate will be in your 10.0 mL sample?

    asked by Anonymous
  296. biology

    what is the difference between plant and animal cell

    asked by Ibrahim
  297. Calculus

    Given f(x) = x^4 + 6x^3 - 15x + 7, evaluate \displaystyle \lim_{h \to 0} \frac{f(1+h) - f(1-h)}{h}.

    asked by John
  298. Algebra

    How many distinct prime factors does 100100 have?

    asked by John
  299. math

    find the value of x so that f(x) = 13 in f(x) = -1/4x. my answer is -52.

    asked by Anonymous
  300. Note for Ms. Sue

    Check out the Physics posting on the top of the list. Can it be deleted?

    asked by Note for Ms.Sue
  301. Geometry

    In distinct odd-town, the inhabitants want to number their houses with 3-digit positive integers that are odd, which have all distinct digits. What is the maximum number of houses in odd-town?

    asked by John
  302. physics

    a force of magnutide 2N acted on the surface of a table of area 2M2 .find the pressure onthe table?

    asked by milyon
  303. math

    I am working on quadratic equations and I have worked a problem down to 3 plus or minus the square root of 361 all over 2... what next?

    asked by Robin
  304. Calculus

    Given f(x) = \frac{x^3-2x+5}{x+4} and f’(3) = \frac{a}{b}, where a and b are coprime positive integers, what is the value of a+b?

    asked by John
  305. Physics

    You are holding onto a 100 kg basket of fish hanging over the side of a boat. What is the minimum force in Newtons you need to exert to keep the basket from falling back down into the ocean?

    asked by John
  306. paramount

    Can you help me with a short interpretation for this poem? "A Voice" by Pat Mora.

    asked by manny
  307. Business Law

    Agile Corporation borrows $1 million from Hi Finance Company (HFC). Agile signs a financing statement that describes the collateral, its inventory and proceeds, and HFC files the statement in the appropriate state office. Using the same collateral, Agile

    asked by Susan
  308. Physics

    A sound wave in air has a frequency of 240 Hz and travels with a speed of 334.7 m/s. How far apart are the wave crests (compressions)?

    asked by Andrewk
  309. Physics

    A cord of mass 0.58 kg is stretched between two supports 28.1 m apart. If the tension in the cord is 273 N, how long will it take a pulse to travel from one support to the other?

    asked by Andrewk
  310. ethical/unethical

    Is it ethical/unethical to use human cadavers to test out weapons and used them as crash test dummies?

    asked by kelly
  311. Teacher Aide; Enhancing Children's Self Esteem

    Hello, could someone kindly help me with this problem a It's important to help children develop positive self-esteem because a it will help them be more successful at their careers later in life b they'll be more likely to question authority, when

    asked by Cyndi
  312. Algebra 1

    The length of a rectangle is 5 ft greater than 4 times its width. The area is 369 sq ft . What is the length?

    asked by Joana
  313. Quantum Physics

    1.Provide a unitary that maps |+> to |1>and |-> to |0> . Enter 0 in all boxes if no such unitary exists. (In this case, you have to enter 0 explicitly. Blanks are not accepted.) 2.Provide a unitary that maps |+> to|0> and |-> to |+> . Enter 0 in all boxes

    asked by JAY
  314. math

    using the 7 steps outlined in sec 4.3 of your book,analyze the graph of the following function R(x)=x^3-125/x^2-49

    asked by mercedes
  315. math

    rectangle 7 cm by 4 cm

    asked by tyre
  316. physics

    A convex mirror with a radius of curvature of 34.0 cm forms a 0.95 cm tall image of a pencil at a distance of 12.5 cm behind the mirror. Calculate the object distance for the pencil and its height. Is the image real or virtual? What is the magnification?

    asked by Brandon
  317. maqth

    explain the steps you follow to multiply by a 1 digit number

    asked by hailey
  318. geometry

    Square ABCD and circle T have equal areas and share the same center O.The circle intersects side AB at points E and F.Given that EF=√(1600-400π),what is the radius of T ?

    asked by The Boss
  319. Life orientation

    Name three responsibilities of media?

    asked by Freska smo
  320. math

    The perimeter of a square is 9. what is the area?

    asked by RR
  321. Writing

    How should I write a poem from an aliens perspective?

    asked by Sue
  322. math (pemdas)

    3*3 multiplied by 4+12= I did this but not sure that it is right 3x3x4+12 9x4+12 36+12=48

    asked by jared
  323. social studies

    Please check: 1812- United States declares war against Britain The warship Constitution defeats the British ship Guerriere 1813- Battle of Lake Erie Battle of THames 1814- British burned Washington, D.C Battle of New Orleans 1815- Francis Scott Key writes

    asked by Celest
  324. Phyics

    The internal energy change in a system that has absorbed 4 Kcals of heat and 1000 J of work is:

    asked by Miko
  325. Children's Literature

    To establish the idea that books are written by real people, make a point to introduce the:

    asked by Sandra
  326. math

    how do i find input and output for: input output _______ 10 16 11 22 14 50 28 8 _________ 30 18

    asked by ty
  327. math

    how do i find input and output for: input output _______ 10 16 11 22 14 50 28 8 _________ 30 18

    asked by ty
  328. math

    input output 2 11 _______ 20 _______ 35 7 26 15 50 5 23 how do i solve this?

    asked by ty
  329. math

    input output 10 12 15 22 21 _______ 6 4 29 50 _______ 2 how do i solve this problem?

    asked by ty
  330. ACT Explore

    I'm taking the ACT explore tomorrow and I was wondering if there is a writing portion

    asked by Emma
  331. calculus

    Consider the interval I=[6,7.6]. Break I into four subintervals of length 0.4, namely the four subintervals [6,6.4],[6.4,6.8],[6.8,7.2],[7.2,7.6]. Suppose that f(6)=19, f′(6)=0, f′(6.4)=−0.5, f′(6.8)=−0.1, and f′(7.2)=−0.1. What is the

    asked by Joe
  332. social studies

    Why did settlers in the West support going to war against Britain?

    asked by Celest
  333. math (algerba 1)

    Right Angle Triangle: side A ? side B 3 square root side C 2m How would i find side a

    asked by Katea
  334. Chem

    Polar or non polar covalent bonds C-H N-H C-C

    asked by Rs
  335. math

    Tara filled 1/6 of her garden with tomato plants. Dan filled 1/6 of his garden with cucumber plants. How much did they fill in total?

    asked by Anon
  336. math

    cindy makes 1000 a month plus some money by commission. she gets 9% of everything she sells. if cindy sold 2000 worth of items this month what is her salary for the month

    asked by Anonymous
  337. Math

    Find the unit rate for 20 mi in 2 h

    asked by Tasia
  338. maths

    root over 3+2*root2 value is ????

    asked by tuhituhi
  339. Language Arts

    Not sure between 2 answers on the question below. What is the BEST way to write this sentence correctly? "David went to the store and bought some bread then he took the long way home." a. David went to the store and bought some bread. Then he took the long

    asked by Brandi
  340. english

    Which of the following groups of words in bold is nonrestrictive and should therefore be set off with commas in the sentence? (1 point) A.My yarn which is blue and gray will make a very pretty scarf. B.Hats knitted by my mother are worn all winter by my

    asked by Gia
  341. global marketing

    Why have the changes of the exchange rate occurred?

    asked by kzee
  342. math

    which number solves the equation for x 1/3:x=1:3 a. 1/9 b. 1 c. 3 d. 9

    asked by mary
  343. business

    if you have a loan for 200,000 at 5% int for 25 years, how much would the payoff amount be after 15 payments?

    asked by Anonymous
  344. algebra

    Given the system of equations x(x+y)=9 y(x+y)=16 the value of xy can be written as a/b where a and b are positive coprime integers. Find a+b.

    asked by Anonymous.....ANYONE....PLEASE HELP...
  345. STAT1

    In the quiz in Exercises 1 and 2, the grading scheme is as follows: each right answer is awarded 5 points, and 1 point is taken off for each wrong answer. Recall that the quiz consists of 10 questions, and that in the class, the average number of right

    asked by HELPPPPP
  346. GEOmetry..

    7 points are placed in a regular hexagon with side length 20. Let m denote the distance between the two closest points. What is the maximum possible value of m?

    asked by PLEASE...HELP..
  347. Math

    If 2 gulps= 5 slurps, and 2 slurps= 7 sips then 35 sips=_____gulps?

    asked by Nomad
  348. Reading

    “Aunt Dessie unfolded out of the car like a carpenter’s ruler” is an example of (1 point) a. personification. b. symbol. c. simile. d. metaphor. i think it is b.

    asked by Gia
  349. English -poem

    Caged bird, by maya angelou -analyze this poem for is metaphorical meAnings. What did the author wish to evoke? Hoe did whe use words and phrasings and poetric devices ti do it? Just a simple help would do, and i could do the rest' thank you

    asked by Mia
  350. algebra

    Is 57/100 greater or less than 1/4?

    asked by Anonymous
  351. algebra

    Is 57/100 greater or less than 1/4?

    asked by Anonymous
  352. English

    Posted by rfvv on Monday, March 5, 2012 at 7:39pm. Try hard to succeed. (What is the part of speech of 'to succeed'? Is 'to succeed' the object of the verb 'try'? Or is 'to succeed' the adverbial phrase which modifies 'try'?) English - Ms. Sue, Monday,

    asked by rfvv
  353. Physics

    A ball on the end of a string is whirled around in a horizontal circle of radius 0.33 m. The plane of the circle is 1.21 m above the ground. The string breaks and the ball lands 2.22 m away from the point on the ground directly beneath the ball’s

    asked by Mike Undi
  354. English II

    Expand each sentence below by adding words or phrases that modify the verb. Questions after each item suggest details you can add. A French girl found them. Who was with the girl? In what time period did she find them?

    asked by Carlos
  355. Science

    Need help on the question below...I know it is not C or D The formation of metamorphic rocks depends on all of the following except a. the composition of parent rocks b. Earth's magnetic field c. temperature d. pressure Thanks

    asked by Brandi
  356. chemistry

    I need 1L of a pH 4 buffer with a total molarity of 1. Propose a buffer system and a recipe to achieve this goal. (acetic acid/acetate would probably be a good choice.) help please!

    asked by Ashley
  357. Language Arts

    Directions: Read the poem and answer the questions that follow. Fossil Flitting, flickering, flashing black, white, and a note of red passes beneath trees that were already old at the end of the Civil War. The lovely departed species announces its fearless

    asked by Lisa
  358. Science

    How many grams of NH3 can be produced if 105g of NH4OH are completey decomposed?

    asked by Morgan
  359. chemistry

    I need 1L of a pH 4 buffer with a total molarity of 1. Propose a buffer system and a recipe to achieve this goal. (acetic acid/acetate would probably be a good choice.) help please!

    asked by Ashley
  360. Science

    Is it true that the atomic bomb couldn't exist without radioactivity?

    asked by Stephanie
  361. chemistry

    I need 1L of a pH 4 buffer with a total molarity of 1. Propose a buffer system and a recipe to achieve this goal. (acetic acid/acetate would probably be a good choice.) help please!

    asked by Ashley
  362. math

    2^1

    asked by Add
  363. Stat Help Please

    In what case is a control group receiving a placebo treatment not useful? what is the useful treatment for the control group?

    asked by Katy
  364. gepmetry

    given coordiantes for one endpoint and midpoint find the other endpoint? endpoint is (-3,3/7) midpoint is (-2,-11/7)

    asked by paula
  365. Science

    Speed is the rate of change in _____. A.velocity B.time C.direction D.distance I think it is D...?

    asked by Cassie
  366. Finite Math

    How to solve this problem using this equation P(T)=Poekt how long must $5700 be in bank at 8% compounded yearly to become $10,550.30 where P0 is the amount initially placed in savings, t is the time in yaers and P(t) is the balance after time

    asked by Sharon
  367. Stat Help Please

    A linear model can be used to describe the relationship between fuel economy(mpg) and horsepower (hp) for certain automobile models. mpg=46.868-0.0838 hp R^2=75.5% 1) Give the symbol and the value of the correlation coefficient.

    asked by Katy
  368. physics

    a body cools from 80 degrees to 50 degrees in 5 minuts. calculate what time it will take to cool from 60 degrees to 30 degrees?

    asked by rani
  369. Physics

    a book is 240 mm in width. What is this width in centimeters? in meters?

    asked by Toby
  370. Math

    How many degrees,in total,does the minute hand turn in one day ?

    asked by Anna
  371. Math

    How many angles does a hexagon have

    asked by Nina
  372. algebra 1

    Factor x^2-48x-48=0

    asked by Jannet
  373. math

    Order the numbers from least to greatest 4/6,4/8,3/4,5/8

    asked by Sydney
  374. Math

    I am a 3 digit number  My ones place is one more than my hundred  My hundreds place is 3 greater then 6  My tens place is half of my hundred.

    asked by Sharon
  375. Probability

    The probability that it will take 5 or more flips of a fair coin before it lands on heads can be written as a/b , where a and b are coprime positive integers. Find a+b

    asked by John
  376. geometry

    A parallelogram ABCD has perimeter equal to 124. Let E be the foot of the perpendicular from A to BC, and let F be the foot of the perpendicular from A to CD. If AE=7 and AF=24, what is the area of the parallelogram?

    asked by BB
  377. simple physics.....

    You are holding onto a 100 kg basket of fish hanging over the side of a boat. What is the minimum force in Newtons you need to exert to keep the basket from falling back down into the ocean?

    asked by Anonymous
  378. MAths algebra

    ON day 1 each atheletic will begin the morning as follows Jog =3/2miles, walk=7/4 miles,Rest=5/2 minutes? and Walk=1 mile,. 1Q. Bettys atheletic trainer told her to follow the begining exercise trainig schedule on day 1.On day 2,she is to increase all

    asked by Firdous
  379. QUERY -COMPUTER

    hi i want to have antivirus in my computer, would u plse suggest me which should i go for . well i have also antivirus called ESET NOD32 Antivirus 6 plse tell me is it good antivirus or okay-okay.

    asked by anoynomous
  380. math

    how do i round 6^12 to one significant figure?

    asked by lujane
  381. English

    When I first posted this question. I din't explain it correctly and didn't find the answer I received funny. But my question is When a sentence contain a list of three or more phrases, each item should be separated with a comma. The questions is do I

    asked by Bernie
  382. Math

    What is greater than 30 and less than 50 and has a 6 digits

    asked by Jayda
  383. chemistry

    What is the dominant form of secondary bonding for CH3Cl? Dipole-dipole interactions London dispersion forces Covalent bonding Ionic bonding

    asked by adex
  384. Science

    Electrons involved in a _____ bond are shared unevenly. metallic double polar nonpolar

    asked by Raelyn
  385. Geometry

    Six standard six-sided die are rolled. Let p be the probability that the dice can be arranged in a row such that for 1\leq k \leq 6 the sum of the first k dice is not a multiple of 3. Then p can be expressed as \frac{a}{b} where a and b are coprime

    asked by John
  386. math

    ayesha is a gardener who make squar gardens in various sizes

    asked by Anonymous
  387. Geometry

    Determine the largest positive integer N, such that given any N-gon (not necessarily convex), there exists a line (infinitely extended in both directions) that contains exactly 1 edge of the N-gon. The figure in blue is an example of a 20-gon that doesn't

    asked by John
  388. Geometry

    Let S = \{ 1, 2, 3, \ldots 12\} and T_1, T_2, \ldots T_a be subsets of S such that T_i \not \subset T_j \, \forall i \neq j . What is the maximum possible value of a?

    asked by John
  389. math

    how many tens if there were no hundred dollars?

    asked by Newton
  390. Algebra

    Given the system of equations \begin{cases} x(x+y) &=& 9 \\ y(x+y) &=& 16 \end{cases} the value of xy can be written as \frac{a}{b} where a and b are positive coprime integers. Find a+b.

    asked by John
  391. Algebra

    Suppose f(x) and g(x) are non-zero polynomials with real coefficients, such that f(g(x))=f(x)\cdot g(x). If g(2)=37, what is g(3)?

    asked by John
  392. math place value

    how many tens if there were no hundred dollars for eg:200=what?

    asked by Newton