Questions Asked on
October 11, 2011

  1. Chemistry

    You have a solution that contains 5.0 grams of oxalic acid dissolved in 150 mL of water. This solution is placed in a seqparatory funnel, and the 100 mL of diethyl ether is added to the separatory funnel and an extraction is performed. Use the following

    asked by BOB
  2. Chemistry

    You have a solution that contains 5.0 grams of oxalic acid dissolved in 150 mL of water. This solution is placed in a separatory funnel, and the 100 mL of diethyl ether is added to the separatory funnel and an extraction is performed. Use the following

    asked by BOB
  3. math

    Studies have shown a particular television commercial is understood by 25% of first grade students and 80% of fourth grade students. If a television advertising agency randomly selects one first grader and one fourth grader, what is the probability neither

    asked by Khizar
  4. Physics

    A diver stands at rest at the end of a massless diving board as shown in Figure P8.16. (a) If the mass of the diver is 161 kg, and the board is 4 m long, what is the torque due to gravity on the diving board? I was thinking that T=Frsin(theta)... but I

    asked by Please Help!!!
  5. algebra

    1. The statement 3x – 4 = 2x + 9 is called .

    asked by charles
  6. calculus

    How to factorise t3-8t2+16t?

    asked by amber
  7. physics

    Two speakers are separated by distance d1 = 2.40 m and are in phase. You are standing 3.00 m directly in front of one speaker. Each speaker has an output power of 1.20 W. Because the speakers are at different distances, there will be frequencies at which

    asked by Anonymous
  8. calculus

    How to factorise t3-8t2+16t?

    asked by amber
  9. Physics

    An electric motor is used to pull a 125 kg box across a floor using a long cable. the tension in the cable is 350N and the box accelerates at 1.2m/s^2[forward] for 5.0s. The cable breaks and the box slows down and stops. b) How far does the box travel up

    asked by Ivo
  10. Physics

    A student puts a 0.80 kg book against a vertical wall and pushes the book toward the wall with a force of 26N [R]. The book does not move. a) calculate the minimum coefficient of static friction. b) describe two ways the student could make the book

    asked by Ika
  11. physics

    A person pushes horizontally with a force of 170 N on a 68 kg crate to move it across a level floor. The coefficient of kinetic friction is 0.22. (a) What is the magnitude of the frictional force? (b) What is the magnitude of the crate's acceleration?

    asked by Andrew
  12. physics

    A string is tied to a 4.4 kg block and a 120 g bucket from a pulley. Students add 20 g washers one at a time to the bucket. the students are unaware that the coefficient of static friction for the block on the table is 0.42. a) what is the maximum force of

    asked by Ika
  13. engineering

    A slotted bar is attached to the origin and rotates in the horizontal plane with a constant angular velocity of 0.665 radians/s . The bar moves a roller weighing 33.6 lb along the cam's perimeter. A spring holds the roller in place; the spring's spring

    asked by HELP PLEASE! DOn't know How to do it!!! :(
  14. Chemistry

    Imagine that you mix 50 g of a solute with 100 g of water at 40 degree C. Classify each solute by whether it would completely or partially dissolve under these conditions. -KCl -KClO3 -K2Cr2O3 -KNO3 -NaNO3 -Pb(NO3)2 I need help understanding the

    asked by Steph
  15. Math

    Which expression describes the area in square units of the rectangle that has a length of 10x^3y^4 units and a width of 5x^2y units?

    asked by Nora Escobedo
  16. English

    I was wondering if you could help me revise this? Questions plague the mind of many readers of why exactly Tessie Hutchinson was stoned in Shirley Jackson’s, “The Lottery”. This gruesome tale tells of an innocent woman stoned in a small village of

    asked by Jessica
  17. FIND THE VALUE OF SQUARE

    I AM A NUMBER GREATER THAN 99 AND LESS THAN 1,000. TWO OF MY DIGITS THAT AREN'T NEXT TO EACH OTHER ARE THE SAME. MY TENS DIGIT COULD NOT BE GREATER AND IT IS 1 MORE THAN MY HUNDREDS DIGIT. WHAT NUMBER AM I?

    asked by ANDREW RAMIRES
  18. science

    A Kid applies a force of 70 Newtons to a ball over 1.1 meters.How much work did he do on the ball?

    asked by jasmine
  19. statistics

    A city survey found that 47% of teenagers have a part time job. The same survey found that 78% plan to attend college. If a teenager is chosen at random, what is the probability that the teenager has a part time job and plans to attend college?

    asked by Olivia
  20. chemistry

    Calculate the molality of a 10% H3PO4 solution in water.

    asked by Keva
  21. World HIstory! hurry please

    How did the civilization that arose along the banks of the nile river differ from the civilizations of the fertile crescent?

    asked by Emma
  22. Chemistry

    Consider 2 separate solutions, one of a weak acid HA and one of HCL. Assume that you started with 10 molecules of each. Draw a picture of what each solution looks like at equilibrium. Ok to my very limited knowledge on this subject so far, a weak acid at

    asked by kevin
  23. Math

    Which expression eqivalent to 27x^-2y^6/3x^5y^2z^9?

    asked by Nora Escobedo
  24. business,social studies

    Toyota used to sit on top of the world. It basked in the reputation of building high-quality cars efficiently. It enjoyed unprecedented growth, even surpassing General Motors as the largest car manufacturer in the world. But all of that came tumbling down

    asked by lola
  25. business

    Group 1 will represent a major tobacco company like R. J. Reynolds or Philip Morris. . Topic that will be debated is: Should tobacco companies cease and desist all advertising in the United States? Each group should thoroughly research the issues. You will

    asked by lola
  26. Math

    1.8=[(5.0-x)/100]/[x/150] Solve for x

    asked by BOB
  27. Math

    Remainder Theorem Question: For what value of b will the polynomial P(x) = 4x^3-3x^2+bx+6 have the same remainder when it is divided by x-1 and by x+3

    asked by Misha
  28. math

    A wooden ball 7 inches in radius sinks to a depth of 10 inches in a river. Find the exposed area of the ball above the water.

    asked by michael
  29. physics

    TWO EQUAL FORCES HAVE A RESULTANT EQUAL TO 1 1/2 TIMES THE EITHER FORCE . AT WHAT ANGLE THEY ARE INCLINED TO EACH OTHER

    asked by PRIYANSHU
  30. bio-technolgy

    how much MgCl2 would you use to make 200mL of a 100mM solution of MgCl2

    asked by denise
  31. English

    Can you please check if everything is OK? Thank you 1)The witches predict Macbeth that he would be Thane of Cowdor. 2)They predict that he will be Thane... James I wrote in the Demonology what he thought witches were able to do. Corr: In his book

    asked by Henry2
  32. College Physics

    A charged particle is hanging from the side of a wall by means of an uncharged string. The wall has a negative charge producing a horizontal electric field. The particle has a mass of .01 Kg. and charge of -80(micro)C and is suspended by a string .3m long.

    asked by Adam
  33. chemistry

    An 27 liter indoor air sample is collected in a Tedlar bag in the crawl space of a building built on an old municipal dump. There is a suspicion that methylene chloride vapor may be seeping into the building. The temperature is 32¢K and the pressure is

    asked by steve
  34. Mathematics

    If (a+b)squared = 361 and ab =-120, calculate the value of a squared + b squared

    asked by Thomas
  35. vocab

    10 examples noun ending x

    asked by lyka
  36. probability

    A random experiment of tossing a die twice is performed. Random variable X on this sample space is defined to be the sum of two numbers turning up on the toss. Find the discrete probability distribution for the random variable X and compute the

    asked by padma.c
  37. calculus

    tan 30=a/ 9 inches

    asked by nicole
  38. DUMANGEZE

    A 0.04KG BEAD SLIDES ON A CURVED STARTING FROM REST AT POINT A.THE EARTH FROM A AND B IS FRICTIONLESS ,WHILST THE PATH FROM B TO C IS ROUGH.IF THE BEAD ARRIVES AT POINT C WITH A SPEED OF 1M/S DERTIMINETHE AMOUNT OF WORKDONE BY THE FRICTIONAL FORCE IN

    asked by THABAN
  39. science

    churvas mass is 66kg. find his weight on earth and on the moon.

    asked by james harold
  40. science

    churvas mass is 66kg. find his weight on earth and on the moon.

    asked by james harold
  41. macroeconomics

    18. The following is a list of figures for a given year in billions of dollars. Using this data, compute: (a) GDP; (b) NDP; (c) NI; (d) PI; (e) DI; (f) Net exports. Transfer payments $ 16 Government purchases 80 Personal taxes 38 Corporate income taxes 28

    asked by marc
  42. macroeconomics

    22. The following table shows the price of a specific stereo receiver for a five-year period. Using year 3 as the base year, calculate the price index for each year. Year Price Price index 1 $ 88 ___ 2 $100 ___ 3 $120 ___ 4 $132 ___ 5 $140 ___

    asked by marc
  43. macroeconomics

    23. The next four questions refer to the following price and output data over a five-year period for an economy that produces only one good. Assume that year 2 is the base year. Units of Price Year output per unit 1 16 $2 2 20 3 3 30 4 4 36 5 5 40 6 (a) If

    asked by marc
  44. macroeconomics

    25. The following table shows the price of a specific stereo receiver for a five-year period. Using Year 1 as the base year, calculate the price index for each year. Year Price Price index (answers using Year 1 = 100) 1 $112 ___ 2 144 ___ 3 160 ___ 4 176

    asked by marc
  45. macroeconomics

    27. The following data show nominal GDP and the appropriate price index for several years. Compute real GDP for each year and indicate whether you have “inflated” or “deflated” nominal GDP in finding real GDP. All GDP are in billions. Nominal Price

    asked by marc
  46. algebra

    Company makes tire rims. Estimates the the profit, P, of selling x tire rims is given by: P= -0.01x^2 + 8x + 1500 Plugging in 1000 for P and solving, I get 400. Is that correct? b) find the number of rims that must be sold to maximize profit. plugging in

    asked by Nabil
  47. Algebra

    1. A car travels 20 kilometers per hour faster than a second car. The first car covers 180 kilometers in the same time the second covers 135 kilometers. What is the average speed of each car? 2. The tens' digit of a two-digit number is one more than its

    asked by cassie
  48. kvb

    Sam hits a golf ball with a five-iron a distance of 120 m horizontally. A tree 45 m high and 35 m in front of Sam is directly in the path of the ball. Will the ball clear the tree if the ball makes a parabolic curve and has maximum height of 80 m?

    asked by veera
  49. Calc

    Suppose Y1 is a function of x which dy1/dx=3y1. Suppose y2 is a function of x which dy2/dx=8x+5. If the graphs of y1 and y2 have the same y-intercept and they intersect at x=2, then determine the value of the y-intercept.

    asked by Andres
  50. chem

    calculate the molality of a solution of 2.34g acetic acid, HC2H3O2, in 35.0 g water

    asked by michael
  51. not sure

    A homeschooled child is being abused by her Father. What should she do???

    asked by Alice
  52. English

    Can you please check these sentences (and my corrections)? I urgently need them. Thank you. 1) The apron stage raised five feet from the ground (not form the floor of the theatre. /It was five feet above the ground but not It was five feet high from the

    asked by Henry2
  53. algebra

    I NEED HELP SOLVING THIS PROBLEM ,PLEASE EXPLAIN AND SHOW HOW TO SOLVE the answer ."I HAVE 63 LITERS OF HYDROGEN PEROXIDE, HOW MANY TEST TUBES CAN I FILL IF EACH CONTAINED 7/8 OF A LITER?" PLEASE SHOW ME YOUR WORK. AND THANK YOU IN ADVANCED.

    asked by Chuck
  54. STATISTICS 014

    1. A manager wishes to find out whether there is a relationship between the age of his employees and the number of sick days they take each year. The data is given below: Age (X) 18 26 39 48 53 58 24 50 Days (Y) 16 12 9 5 6 2 10 7 a. What is the null

    asked by azriel ed pagayunan
  55. STAT

    A random variable X2 assumes only positive value.?

    asked by azriel ed pagayunan
  56. Physics

    A jet aircraft is traveling at 180 m/s in horizontal flight. The engine takes in air at a rate of 77.0 kg/s and burns fuel at a rate of 3.15 kg/s. The exhaust gases are ejected at 595 m/s relative to the speed of the aircraft. Find the thrust of the jet

    asked by mymi
  57. physics

    A rocket consists of a payload of 4280.0 kg and 1.626 105 · of fuel. Assume that the rocket starts from rest in outer space, accelerates to its final velocity, and then begins its trip. What is the speed at which the propellant must be expelled to make

    asked by mymi
  58. Physics

    Find the location of the center of mass for a one-dimensional rod of length L and of linear density ë(x) = cx, where c is a constant. (Hint: You will need to calculate the mass in terms of c and L. Use any variable or symbol stated above as necessary.) X

    asked by mymi
  59. physics

    Find the center of mass of a rectangular plate of length 10 cm and width 39 cm. The mass density varies linearly along the length. At one end, it is 8 g/cm2; at the other end, it is 18 g/cm2. (Assume the x-axis begins at the 8 g/cm2 edge and extends along

    asked by mymi
  60. physics

    A 1175-kg cannon shoots a 33-kg shell at an angle of 25° above the horizontal and a speed of 495 m/s. What is the recoil velocity of the cannon? (Take the direction the cannon is firing to be the positive direction. Indicate the direction with the sign of

    asked by mymi
  61. Physics

    Two masses, m1 = 2.0 kg and m2 = 3.3 kg, are moving in the xy-plane. The velocity of their center of mass and the velocity of mass 1 relative to mass 2 are given by the vectors vcm = (−1,+2.2) m/s and vrel = (+4.5, +1.0) m/s. (a) Determine the total

    asked by mymi
  62. algebra

    3. Suppose a student wants to be a millionaire in 40 years. If she has an account that pays 8% interest compounded monthly, how much must she deposit each month in order to achieve her goal of having $1,000,000? What is the present value of this annuity?

    asked by beech
  63. algebra

    1. Suppose Mary deposits $200 at the end of each month for 30 years into an account that pays 5% interest compounded monthly. a. How much total money will she have in the account at the end? b. How much total money did Mary actually deposit? c. How much

    asked by beech
  64. algebra

    Suppose a retiree wants to buy an ordinary annuity that pays her $2,000 per month for 20 years. If the annuity earns interest at 3.5% interest compounded monthly, what is the present value of this annuity?

    asked by beech
  65. physical science

    during a football game two players try to tackle another player.one player applies a force of 50.0 n to the east. a second player applies a force of 120.0 n to the north . what is the total applied force?and what is themagnitude and direction of the force

    asked by sarah arcand
  66. Physics

    In running the 40 m dash in tryouts fot the Notre Dame football team, Zach S. completes the 40 m in 4.8 seconds. Assuming constant acceleration throughout the run, find his velocity at the end of 40 m and his acceleration during the 40 m.

    asked by Tanysha
  67. Chemistry

    convert 548mL to cm3

    asked by Thomas
  68. Chemistry question Please help

    Consider the expected conductivities of CaCl2(aq) and Ca(OH)2(aq). Which of these can be expected to have the higher conductivity. Explain your reasoning.

    asked by Al
  69. English

    I checked the mistakes. Can you see if my corrections are ok? Thank you. I included my doubts in parentheses. 1)The stages raised in the center yard. Correction: in the yard projected a roofed stage, called apron stage. 2)2)This was five feet above the

    asked by Henry2
  70. mystery trip

    can you help me unscramble this famous couple names enargraaetnmgremaad

    asked by Allen
  71. Science

    Fe(No3)3(H2o)9 what is this element ??

    asked by Shaqir
  72. chemistry

    A sample of gold is at a initial temperature of 350 k. Once dropped into a coffe cup calorimeter of heat capacity 400 k^-1 it contains 50 g of water at 300 k. Specific heat capacity is 0.129 for gold and 4.18 for water. what is the final temp of all gold,

    asked by chad
  73. social science

    which subjects do i have to choose when i want to became a social worker when i will be in grade 10 next year

    asked by zinhle ntsebezo
  74. Writing

    How does online classes and traditional education classes contain structure?

    asked by Adryan
  75. Growing Puppies Word Problem/ Need Help Solving

    Chritian's Chihuaha, Princess, weighs 2 pounds. Molly's Pit Bull, Psycho, weighs 14 pounds. They each seem to be gaining about a pound a month. The Pit Bull will soon weigh three times more than the Chihuahua. How many pounds will Princess weigh then?

    asked by Linda
  76. Read My Mind Word Problem

    I am thinking of a three-digit number. It is an odd multiple of three, and the product of its digits is 24. It is larger than 15 squared. What are all the numbers that I could be thinking of?

    asked by Linda
  77. Science

    are (H2o)9 and 9(H2o) the same thing ?

    asked by Shaqir
  78. physics

    The cart starts from rest at the top of a hill with height, H1. It rolls down the hill and at the bottom of the hill it has a speed of 8 m/s. Next it is at the top of same hill but pushed so that it starts at the top of the hill with a speed of 6 m/s. How

    asked by zacurea
  79. physics

    The cart starts from rest at the top of a hill with height, H2. It rolls down the hill and at the bottom of the hill it has a speed of 10 m/s. Next it is at the top of same hill but pushed so that it starts at the top of the hill with a speed of 4.59 m/s.

    asked by zacurea
  80. literature

    "Regular aerobic exercise gives an individual more endurance" is a sentence that shows cause and effect. Which word indicates the cause? A. Regular B. Endurance C. Exercise D. Individual

    asked by Baina
  81. Math

    Salma invested her savings in two investment funds. The that she invested in Fund A returned a profit. The amount that she invested in Fund B returned a profit. How much did she invest in Fund B, if both funds together returned a profit?

    asked by Jasmine
  82. calculus

    the equation V=U^5=7sqrtW-WZ relates the variables, V,U,W,Z. differentiate with respect to T to get the wquation which relates the rates of change with respect to T?

    asked by Anonymous
  83. statistics

    construct the confidence interval for the population mean c=0.98,x=5.6, s=0.6, and n=45

    asked by Dennis
  84. PHYSICS

    You are camping with two friends, Joe and Karl. Since all three of you like your privacy, you don't pitch your tents close together. Joe's tent is 23.0 from yours, in the direction 25.5 north of east. Karl's tent is 38.5 from yours, in the direction 34.0

    asked by TALAL
  85. English

    How does online classes and traditional classes contain the same material?

    asked by Adryan
  86. physics

    A golf ball is hit with an initial velocity of 50 m/s at an angle of 45° above the horizontal. How far will the ball travel horizontally before it hits the ground?

    asked by ashley
  87. Physics

    A Federation starship (2500000 kg) uses its tractor beam to pull a shuttlecraft (10000) aboard from a distance of 7 km away. The tractor beam exerts a constant force of 25000 N on the shuttlecraft. Both spacecraft are initially at rest. How far does the

    asked by Daniel
  88. Math

    Idenify pairs of Additive and Multiplictive Inverses. WHAT in the world are additive and multiplicative inverses??? :(

    asked by Alice
  89. trig

    Find tanx if sinx = 3/4 and x is in quadrant II.

    asked by Amber
  90. english

    Hi, I was wondering if what i did is correct 1. Read Susan B. Anthony’s defense of her right to vote. Then, in 50-100 words, write a paragraph that paraphrases that speech. This is not the place to offer an opinion, but simply to paraphrase her opinion.

    asked by Anonymous
  91. chemistry

    describe the neutralisation reactions that take place on everyday basis

    asked by catty
  92. chemistry

    what mass of water can be heated from 45 celcius to 88 celcius with 28kj?

    asked by Ella
  93. physics

    A 75.0-W lamp is placed in series with a resistor and a 120.0-V source. If the voltage across the lamp is 24 V, what is the resistance R of the resistor?

    asked by ashley
  94. Lifesciences

    Effectsofacidrainongerminatingseeds

    asked by Phindile
  95. Math

    A vat that have a cap to hold 45 quarts, and each bottle contains 9/21 quarts, how many bottles can be fill 45 quarts.

    asked by Bree-Bree
  96. Shirley Jackson The Lottery

    Questions plague the mind of many readers of why exactly Tessie Hutchinson was stoned in Shirley Jackson's, "The Lottery." This gruesome tale tells of an innocent woman stoned in a small village of 300 people. In doing so, the community thought that their

    asked by HM
  97. chem 12

    a) Calculate [H3O^+] in a 0.15M solution of benzonic acid, HC7H5O2(aq) having K of 6.4x10^-5. b) Calculate the per cent ionization of the HC7H5O2. I got.. Kb = [HC7H5O3][OH]/HC7H5O2 6.3x10^-5 x Kb =1.0x10^-14 Kb = 1.0x10^-14/6.3x10^-4 = 1.5x10^-10

    asked by Sarah
  98. chemistry

    what mass of water can be heated from 45 celcius to 88 celcius with 28kj?

    asked by Ella
  99. American Gov

    The most important source of political values in the United States is probably what? Mass Media Family Religion School Local Newspaper

    asked by Brooke
  100. math

    what is this,? 50.0 mg of gas which occupies a volume of0.0064 L?

    asked by Anonymous
  101. chem 12

    Calculate [H3O] an [OH] for a sodium hydroxide solution having a pH of 12.5. I know this is a strong base, and i got the pH 12.5. But i don't know how to go from there.

    asked by Sarah
  102. English

    Thank you very much. I included more sentences for you to check. I did the corrections myself. 1)No man born of woman (or a woman?) can hurt him. He believed witches could/were able (both possible?) cast spells. She encouraged piracy against the Spanish

    asked by Henry2
  103. Math

    Would 48x 2/96 be considered a Mltiplicative inverse???

    asked by AliceinWonderland
  104. English

    I left out the following sentences. Thank you for your invaluable help. 1)The theatre was structure in wood: Correction: it was designed as a wooden structure, circular in shape. 2) The upper stage was used to represent a balcony scene/as a balcony/OR to

    asked by Henry2
  105. statistics

    A sample of 12 measurements has a mean of 20 and a standard deviation of 2. Suppose that the sample is enlarged to 14 measurements, by including two additional measurements having a common value of 20 each. Find the standard deviation of the sample of 14

    asked by Bob
  106. Chemistry Help!!

    sodium metal reacts violently with water to produce aqueous sodium hydroxide and hydrogen gas. calculate the enthalpy change for this reaction.

    asked by Maci
  107. social studies

    why would 'STOP,DROP and ROLL' be effective to put out a fire?

    asked by sandy
  108. calculus

    The volume V of a cylinder is computed using the values 9.8 \text{m} for the diameter and 3 \text{m} for the height. Use the linear approximation to estimate the maximum error in V if each of these values has a possible error of at most 8 \%.

    asked by Britt
  109. Organic chem 2

    Hello, I am having some trouble trying to reduce a benzene ring with a H3C-C=N-NH2 substituent, to a cyclohexane with the same substituent. The ring is attached to the carbon that is double bonded with the nitrogen. Apparently the hydrogenation, H2/1000psi

    asked by Matt
  110. Chemistry-please help

    "Use a 10% w/v nitric acid solution." How to prepare 10% w/v nitric acid solution? Do I just weigh 10g of conc nitric acid (65%) and dilute to 100ml with water?

    asked by jessie
  111. English

    In the Shakespeare play, The Taming of the Shrew, where does Petruchio live?

    asked by Anonymous
  112. MATH

    MT WAIALEALE,HAWAII HAS A VERY DAMP CLIMATE. WITH AN AVERAGE ANNUAL RAINFALL OF 11,684 MILLIMETERS. RICHMOND VIRGINIA AVERAGES ABOUT 508 MM OF PRECIPITATION. HOW MANY TIMES GREATER IS THE PRECIPITATION AT MT WAIALEALE?

    asked by NICK C
  113. Engineering Statistics

    "A study has shown that 20% of all college textbooks have a price of $90 or higher. It is known that the standard deviation of the prices of all college textbooks is $9.50. Suppose the prices of all college textbooks have a normal distribution. What is the

    asked by Christian
  114. Chemistry

    C3H6O + 4 O2 ¨ 3 CO2 + 3 H2O how many coefficients?

    asked by Anonymous
  115. Physics

    You like to swim at a nearby lake. On one side of the lake is a cliff, and the top of the cliff is 69 m above the surface of the lake. You dive of the cliff doing somersaults so as to have an angular speed of 5.5 rev/s. How many revolutions do you make

    asked by Anon
  116. physics

    a jogger runs with a veloicty of 6km/h (25 degrees N of W) for 35 min and then changes direction, Jogging for 20 min at 4.5km/h (65 degrees E of N). Using the parallelogram method for vector addition, determine the joggers total displacement and his

    asked by neil
  117. math

    Show that Sn is non-abelian for n>=3

    asked by Jackie
  118. physics

    Projection

    asked by Okelade
  119. physics

    Projection

    asked by Okelade
  120. english

    I was wondering if what i did is correct 1. Read Susan B. Anthony’s defense of her right to vote. Then, in 50-100 words, write a paragraph that paraphrases that speech. This is not the place to offer an opinion, but simply to paraphrase her opinion. Use

    asked by Anonymous
  121. biology

    what salts are present in the composition of human sweat. Find out what elements are present in the composition of human sweat and what salts are formed by these elements.

    asked by Anonymous
  122. physics

    The small archerfish (length 20 to 25 cm) lives in brackish waters of Southeast Asia from India to the Philippines. This aptly named creature captures its prey by shooting a stream of water drops at an insect, either flying or at rest. The bug falls into

    asked by tibby
  123. Chemistry

    Can you draw a dipeptide and show all the functional groups, atoms, and bonds, any full charges on atoms, and the "R" group. Also, show N and C terminus? It would really help if you can show me pictorially.. thanks

    asked by Sam
  124. Finance

    I have a case study to do and I'm not sure how to go about it. I need to find the present value for three different offers, all of which have a 10% rate and ordinary annuities. This is the first offer: $1,000,000 now $200,000 each year for years 6 through

    asked by Justin
  125. ANSWERS FOR TEACHER AID TEXT 02604500

    ANSWERS FOR TEACHER AID TEST 02604500

    asked by DEE
  126. elements of calculus

    write the equation of the line tangent to the curve y= 3x^3- 2x at the point where x=2

    asked by tara
  127. elements of calculus

    find ds/dt if s= sqaureroot of t over (3t -1)

    asked by tara
  128. elements of calculus

    if d^2y/dx^2= x/x^2 +1, find d^4y/dx^4

    asked by tara
  129. elements of calculus

    cost, revenue, and profit are in dollars and x s the number of units cost: if the cost function for a particular good is C(x)= 3x^2 +6x + 600, what is the (a) marginal cost function (b) marginal cost if 30 units are produced? (c) interpretation of your

    asked by tara
  130. Physics

    What is the KE (in J) of a 2650 lb Honda Civic traveling at 100 mph?

    asked by Wingly
  131. algebra

    34*(n*2)=680

    asked by Anonymous
  132. MATH

    DAN,DEBBIE,ED AND GENE WERE TRAINING FOR CROSS-COUNTRY RACING. ED RAN TWICE AS FAR AS DEBBIE. GENE RAN 8KM LESS THAN ED. DEBBIE RAN 5KM MORE THAN DAN. DAN RAN 6KM.HOW FAR DID EACH PERSON RUN? (HINT START WITH DAN'S DISTANCE AND WORK BACKWARDS)

    asked by STELLA
  133. Finance

    assume that $10 million dollars of debt replaces 625,000 shares of common stock. The intrest in the new stock is 11.25 percent what will projected earnings per share be based on the anticipated sales increase of $500,000

    asked by tony
  134. chemistry

    caculation: 2Na3PO4(aq)+3BaCl2(aq)-> 6NaCl(aq)+Ba3(PO4)2(s) a)determine the maximum g of Ba3(PO4)2 that can be formed from your mass of Na3PO4x12H2O b)determine the maximum gram of Ba(PO4)2 that can be formed from your mass of BaClx2H2O

    asked by marilyn
  135. ALGEBRA 1 HONORS

    whats the answer to x+4=4y

    asked by Erin
  136. Alg 1 quadratic equations

    I'm doing quadratic equations x^2 +bx+c =0. I know how to questions like x^2 +17x +42 =0 but this one says, j^2-9jk-10k^2. I have no clue on what I need to do

    asked by Austin
  137. math

    pls. factor and explain: 125x^6+8 are there any technics?

    asked by justme
  138. ELA HELP

    leaf:spinach::root: Is it flower,carrot,tomato,and lettuce?

    asked by renae3
  139. math

    the area of a rectangle is it length multiplied by it width

    asked by aaron
  140. U.S. History

    What country controlled territory to the North of the U.S. Boundary.

    asked by Cortez
  141. pre-algebra

    When a baseball is hit it comes in contact with the bat for 0.001 seconds.Write that as a negative exponet?

    asked by lala
  142. chemistry

    The energy levels the electron can occupy in the H atom can be calculated using the energy level equation. Calculate the wavelength (nm) of the photon absorbed when the electron goes from a n= 1 energy level to a n= 3 energy level. Express answer in

    asked by Chris
  143. Chemistry

    I need to supplement 20g of magnesium. Supplement comes with 825mg/ ounce. How many mg's or ounces to get to the 20g. Thanks

    asked by Sue
  144. Math

    Rounded to the nearest hundred, Tim has 300 photos. How many photos could Tim have? 344, 402, 449 or 382

    asked by Amy
  145. Alg 1

    I'm doing quadratic equations x^2 +bx+c =0.I'm supposed to factor each polynomial. I know how to questions like x^2 +8x +12 =0 but this one says, j^2-9jk-10k^2. I'm confused

    asked by Cole
  146. math

    aunt alice gave each of her three nieces a number of silver dollars equal to their ages. the youngest felt that this was unfair. they agreed to redistributed the money. the youngest would split half her silver dollars evenly with the two sisters. the

    asked by mike
  147. U.S. History

    What Seaport di the United States gain Through The Lousiana Purchase

    asked by Cortez
  148. math

    How do u get a perimeter.

    asked by Kim
  149. U.S. History

    After the Lousiana Purchase what Formed Our Eastern And Western Boundaries

    asked by Cortez
  150. U.S. History

    Control of which natural feature was the most important geographical advantage of The Louisiana Purchase

    asked by Cortez
  151. Math

    How do I round 78 to the nearest hundred with only two digits?

    asked by Amy
  152. physics please help!!

    A 0.267kg ball is thrown straight up from 2.20m above the ground. Its initial vertical speed is 9.20m/s. A short time later, it hits the ground. Calculate the total work done by the force of gravity during that time.

    asked by archi
  153. Math

    What is 2.5 cm x 2.5 cm =

    asked by Kim
  154. Chemistry

    How to prepare 10% w/v nitric acid solution? Do I just weigh 10g of concentrated nitric acid (65%) and dilute to 100ml with water?

    asked by jessie
  155. math

    8/125x^3 + 64y^6 i tried doinhg this but i still don't get it..pls help me...

    asked by justme
  156. definition

    what is a humanitarian?

    asked by jennifer white
  157. U.S. History

    Control of which natural feature was the most important geographical advantage of The Louisiana Purchase

    asked by Cortez
  158. chemitry

    show that the equivalence amount of citric acid for 1.00g of sodium bicarbonate is 0.76g

    asked by paul
  159. English

    Here are some more sentences on the same theme. I hope you can have a look at them. Thank you.It's really urgent. 1)The upper stage was used as a balcony or by musicians. The inner stage was used, for example, for the Juliet’s tomb scene (can you say

    asked by Henry2
  160. math

    How do u get a perimeter.

    asked by Kim
  161. chemistry please help ASAP

    how do I find two positive ions and two negative ions that are isoelectronic with a) Ar b) Xe

    asked by elizabeth
  162. Math

    Identify the sampling technique used to obtain this sample: Each person boarding a plane is asked to flip a coin; those showing “tails” have their luggage searched.

    asked by Jen
  163. Math

    In your own line of work, give one example of a discrete and one example of a continuous random variable, and describe why each is continuous or discrete.

    asked by Jen
  164. math

    What is the correct set up for: How many milligrams are in 67 Kilograms? Is this correct: 67kg x (1g/10^3kg) x (1mg/10^-3g) Thank you!

    asked by Connie
  165. Chemistry for Engineers

    How many mL of .2475M Sr(OH)_2 solution are needed to neutralize 25 mL of 0.1542M HCL solution in the reaction 2HCl + Sr(OH)_2 -> SrCl_2 + 2H_2_O

    asked by Austin
  166. physics

    A skier starts from rest at the top of a hill that is inclined at 11.0° with respect to the horizontal. The hillside is 190 m long, and the coefficient of friction between snow and skis is 0.0750. At the bottom of the hill, the snow is level and the

    asked by Anonymous
  167. Math

    The number 80710 is rounded to 2 SF? The choices are confusing A) 80700 B)81000 C)8070 D)8100 E) None Is E correct? B and D are both 2SF A and C are 3SF??? Thanks for you help.

    asked by Connie
  168. chmistry

    what substance has the density of .60g/ml

    asked by james
  169. ALGEBRA SIMPLIFY

    I cant figure this out 6 /2 * 8-8 /2 i got 6/2 * 8-8 /2 3*8 4 24 -4 = 20 is this right way?

    asked by Marko
  170. English

    I left out the following sentences. Thank you very much in advance. 1) It was raised 4 feet FROM/OFF the ground (both possible?) 2)Elizabeth fought a big ship war (?? naval war) against the Spanish Armada. She made England a seafaring power also thanks to

    asked by Henry2
  171. physics

    Two objects (m1 = 5.15 kg and m2 = 2.75 kg) are connected by a light string passing over a light, frictionless pulley as in the figure below. The 5.15-kg object is released from rest at a point h = 4.00 m above the table. (a) Determine the speed of each

    asked by dennis
  172. physics

    The electric motor of a model train accelerates the train from rest to 0.780 m/s in 33.0 ms. The total mass of the train is 510 g. Find the average power delivered to the train during its acceleration.

    asked by Anonymous
  173. math

    use the quotient and reciprocal identities to simplify the given expression cot t sin t csc t sin t tan t cot t cot t sec t

    asked by Anonymous
  174. college physics

    A block of mass 12.0 kg slides from rest down a frictionless 35.0° incline and is stopped by a strong spring with k = 4.00 104 N/m. The block slides 3.00 m from the point of release to the point where it comes to rest against the spring. When the block

    asked by Anonymous
  175. Math (Translate each sentance into a equation)

    1. The difference between three times a number and 11 is 10. Whould it be: 3x - 11 = 10? 2. One more than the difference between 18 and seven times a number is -9. Would it be: 1 + 18 - 7x = -9? 3. 26 more than the product of a number and 17 is -42. Would

    asked by Dab
  176. math

    The foci and vertice of 2x^2+5y^2+8x+10y+3=0

    asked by Bolu
  177. Math 12

    (2,1) is a point on the graph of y= f (x) . Find the corresponding point on the graph of each of the following functions a) y= -f (-x) +2 b) y= f (-2(x+9))-7 c) y= f (x-2) +2 d) y= 0.3f (5(x-3)) e) y= 1- f(1-x) f) y= -f (2(x-8))

    asked by Tarkan
  178. math

    Aunt Alice gave each of her three nieces a number of silver dollars equal to their ages.The youngest felt that this was unfair. They agreed to redistribute the money. The youngest would split half her silver dollars evenly with the other sisters. The

    asked by mike
  179. chemistry

    Consider a system consisting of two oppositely charged spheres hanging by strings and separated by a distance r1, as shown in the accompanying illustration. Suppose they are separated to a larger distance r2 , by moving them apart along a track. What is

    asked by echo
  180. math

    what is the total price of a sweatshirt that is priced at $48 and taxed at 6.5%?

    asked by chloe
  181. english

    In part 3 "Burning Bright" in fahrenheit 451 novel .What symmetry lies in rebuilding of the city? can you explain what they mean in this question ? thank you

    asked by mike
  182. Chemistry

    The density of any material can be determined by the slope of a straight line by plotting mass values and vol. values M=DV Mass g. Vol.ml #1 0.55 0.60 #2 1.75 1.80 #3 3.50 3.40 #4 5.60 5.25 #5 7.50 7.00 I need to find the slope and graph the info. So do I

    asked by Connie
  183. math

    what is greater than 7.8 but less than 7.9

    asked by tessy
  184. math

    need to calculate total purchase price I can afford for a home. monthly income $5875. .28 x $5875.=$1645.monthly mortgage 7.70 interest for 25years.placing 25% of my yearly income down. this is as far as I have gotten... 7.70x = 1645. 7.70x 1645 7.70 7.70

    asked by old me
  185. physics

    A block of mass 12.0 kg slides from rest down a frictionless 35.0° incline and is stopped by a strong spring with k = 4.00 104 N/m. The block slides 3.00 m from the point of release to the point where it comes to rest against the spring. When the block

    asked by Anonymous
  186. physics

    calculate horizontal force that must be applied to 1kg to make 6ounce to make it accelerat on horizontal friction three hour table dropped with same acceleration it would have if it and feel freely

    asked by tina
  187. chemistry help please ASAP

    how do I find two positive ions and two negative ions that are isoelectronic with a) Ar b) Xe

    asked by elizabeth
  188. simplify ALGEBRA

    8+6 * 2 +4 = 24 ----------- ---- 12 / 2 6 I GOT 4 Is that correct

    asked by Marko
  189. trig

    PERIMETER OF A RECTANGLE IS 32CM AND AREA IS 55CM FIND THE LENGHT.

    asked by Anonymous
  190. calculus

    Please help me find the derivative of f(x) = x^(2^x) I got to ln(f(x)) = 2^x(lnx) but now I'm stuck..

    asked by terra
  191. English

    In one to two sentences, define revision

    asked by Anonymous
  192. social Studies

    How were different forms of power acquired during industrialization?

    asked by max
  193. Algebra Question

    Luisa ran 3 miles on the 3rd day of a month, and she repeated her run every 4 days for the rest of the month. What equation describes the sequence of days of that month that Luisa ran? --- I have no idea how to begin this.

    asked by Dab
  194. Calculus

    Find derivative of (x+1)/(x^2+1)^(1/2)

    asked by Joe Schmo
  195. science

    describe the process of dialysis

    asked by Anonymous
  196. English

    can someone help me turn this paragraph so it can sound like a personal narrative, A week has passed since the dog left. We haven’t heard good or bad news of him. Every day since he left we would be looking in the nearby parks and around the block. One

    asked by Mario Garcia
  197. algebra find mean

    find the mean median most for : -12 -2 3 7 9 10 10 i got for median 7 most: 10 mean: i got -12 + -2 = -14 3,7, 9, 10, 10 = 39 now im stuck how to get mean? can you help

    asked by Marko
  198. Algebra 2

    Find an equation for the linear model of the situation below and use it to make a prediction. A train is traveling north at a constant rate. At 3:00 P.M. it is 55 miles north of a city. At 4:15 P.M. it is 80 miles north of the city. If d represents the

    asked by Mary
  199. algebra 2

    a diamond was purchased for $2500. If is its value increases 6% each year, give the value of the diamond after 10 years?

    asked by walid
  200. science

    Suppose you have 7 pieces of wood shown to the right. Predict what will happen

    asked by Anonymous
  201. math

    how to write algebraic expression the square of a number k which is then multiplied by 13

    asked by Anonymous
  202. science

    Any ideas on making a 3d model of the eye. There arent any rules.thanks

    asked by mm
  203. physics

    A model rocket is launched straight upward with an initial speed of 51.6 m/s. It accelerates with a constant upward acceleration of 1.96 m/s2 until its engines stop at an altitude of 230 m. What is the maximum height reached by the rocket? The acceleration

    asked by a
  204. estem

    how much work is done on a vacuum cleaner pulled 5.0m by a force of 45.0 N at an angle 35 above the horizintal? solving work

    asked by tosin
  205. Grade

    Ok today during social studies I got this mini progress report (it's a overview on what grade I have right now before they send our real progress report which they may send this week or next week) and like I just want to know what GPA i got. Here it is &

    asked by Laruen
  206. social studies

    We are using the bookjourney across time 9the early ages) pg. 105 no. 22 asks "What advantage did Judah have over Israel? It shows a map the the Israelite kngdom, and I's supposed to answer it with the map. I have noclue. Can anyone help? Thanks.

    asked by Lynn
  207. Science

    Suppose you have 7 pieces of wood shown to the right. Predict what will happen to the mass of the pieces of wood if you put them together without cutting them to make a birdhouse

    asked by Anonymous
  208. Math

    What does A+B+C equal if A=6,B=3 and B=C?

    asked by Genesis
  209. Math

    Solve two solutions. If there is a solution write it or I there isn't any write no solution. -3ly-3l = 9 (l l is absolute value sign)

    asked by Please help
  210. math

    what is the sum of radical x- 1 and (x-1)^2 when x= 5?

    asked by britt
  211. Science

    What is sometime call your windpipe

    asked by Shavon
  212. math

    How do you find GCF (boomerang method)?

    asked by Nathan
  213. ALGebra Simplify

    I cant figure this out 6 /2 * 8-8 /2 i got 6/2 * 8-8 /2 3*8 4 24 -4 = 20 is this right way? 29 - (3+5) *2 +3 i got 16 is that right? 5-[6+3(-40/8) + (-2)exponent 2 i got 9 x5 = 45 + 4 = 5 -49 = -44 is that correct?

    asked by Marko
  214. math

    how to do 23x17

    asked by BILLY
  215. estimating sums

    the flower shop received a shipment of 432 roses. they need to fill an order for 273 roses. use any method to estimate how many roses they will have left

    asked by shiv
  216. Astronomy

    Imagine that Earth did not turn on its axis. (a) What would be true about the ecliptic? It would now define the day rather than the year. It would still be defined and could be seen from all points on Earth, but only when they faced the sun. It would still

    asked by Anonymous
  217. Accounting

    According to the Sarbanes-Oxley Act, the responsibility for issuing a report on a company's internal controls over financial reporting rests with: A.) both the company and its independent auditor. B.) the company. C.) the independent auditor. D.) neither

    asked by HELP!
  218. Math

    Find the value of x: 20x ≡ 9 (mod 15)

    asked by Francesca
  219. Math

    The half-life of carbon-14, which is used in dating archaeological finds, is 5730 yr. Assume that 100% of the carbon-14 is present at time 0 yr, or x=0. Write the equation that expresses the percentage of carbon-14 remaining as a function of time.

    asked by Hanna
  220. Math

    Journal one box hold 16 crayons another box jold 24 crayons. Write a sentence using word that compares the crayons in the the two boxes.

    asked by Mary
  221. math

    a boy is blowing a spherical balloon at a rate of 50 cm3/s.at what rate is the radius of the balloon changing when the radius is 10 cm?give your answer to 2 decimal places.

    asked by jj
  222. math

    How do you find GCF (boomerang method)?

    asked by Nathan
  223. science

    What are three methods scientists use to form scientific explainations ?

    asked by Ashleigh
  224. trig

    Given that sin theta= 3/5 and the terminal side is in quadrant II, find tan (pi/2 - theta)

    asked by Ryan
  225. Math

    An amusement park charges $20 up front to rent a canoe. There is an additional charge of 150 cents per hour. Write an equation that relates the total amount of rent R in cents to time h in hours.

    asked by None
  226. Physics

    A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials' boat pulls up next to the spy's boat, both reach the edge of a 7.5 m waterfall. If the spy's speed is 19 m/s and the officials' speed is 24

    asked by Emily
  227. chemistry

    A 3.664 g sample of monoprotic acid was dissolved in water and required 20.27 mL of a 0.1578 M NaOH solution for neutralization . Calculate the molar mass of the acid

    asked by TROUBLED
  228. Math

    The selling price for a raincoat is $ 76.09. What percent of the sale price is the markup, if the cost of the raincoat was $ 70 ? ( Round to the nearest whole percent ) (a) 8 % (b) 7 % (c) 5 % (d) 10 % (e) 9 %

    asked by Anonymous
  229. physics

    A person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of vi = 13 m/s. The cliff is h = 58 m above the water's surface, as shown below. (a) How long does it take for the stone to fall to the water? s (b) With what speed

    asked by Emily
  230. physics

    A skier is accelerating down a 30.0° hill at a = 3.70 m/s2 ( (a) What is the vertical component of her acceleration? |m/s2 (downward) (b) How long will it take her to reach the bottom of the hill, assuming she starts from rest and accelerates uniformly,

    asked by Emily
  231. chemistry

    calculate the volume of mL of a 1.420 M NaOH solution required to titrate the following solution. 25.00 mL of a 1.500 M H3PO4 solution

    asked by TROUBLED
  232. Physic

    A car is slowing down at a rate of 20 km/h/s. How far does it travel if its original velocity is 50 km/h and its final velocity is 5.0 m/s?

    asked by Anonymous
  233. Statistics

    How would you interpret the findings of a correlation study that reported a linear correlation coefficient of − 1.34?

    asked by robyn
  234. Math

    The markup on a video camera should be 37 % based on selling price. If the seller paid, $ 390 for one, then how much should it be sold for to achieve the desired markup? (a)$ 404.34 (b) $ 1,054.05 (c) $ 404.43 (d) $ 619.05 (e) $ 534.30

    asked by Anonymous
  235. Math

    My tens digit is double my one digit.I am less than 70 greater than 60.

    asked by Mary
  236. math

    a boy is blowing a spherical balloon at a rate of 50 cm3/s.at what rate is the radius of the balloon changing when the radius is 10 cm?give your answer to 2 decimal places.

    asked by jj
  237. MATH

    jake says adding 0 does not change a number. Is he correct? Explain.

    asked by Brent
  238. English

    My brother and I lie down to see how many of us could fit inside a blue whale. Underline the predicate

    asked by Medy
  239. physics

    Mars has a mass of about 6.8 × 1023 kg, and its moon Phobos has a mass of about 9.5 × 1015 kg. If the magnitude of the gravitational force between the two bodies is 4.66 × 1015 N, how far apart are Mars and Phobos?

    asked by Joe
  240. calculus

    y = (ln x)^(cos4x) Use logarithmic differentiation to find the derivative of the function.

    asked by John
  241. Algebra

    I need help! The question is what numbers for which the rational expression is underfined in 8/9x+7

    asked by Katy
  242. math

    the bus passes through Sierra Blanca, which is 90 miles from El Paso. About how long does it take the bus to get to Sierra Blanca?

    asked by ruby
  243. physics

    a 75 kg person escapes from a burning building by jumping from a window 30 m above a catching net. Acceleration due to gravity is 9.81 m/s^2. Assuming air resistance is simply a constant 96 N force on the person during the fall, determine the person's

    asked by Emily
  244. algebra

    3b+7=-2 14+h/5=2 h/5=fraction m/8+4=16 m/8=fraction 3x-1=8 35=3+5x -3+m/3=12 m/3=fraction -x-4=-20 5=-z-3

    asked by katie
  245. trig

    Given that tan B= 7/24 with B in quadrant III, find sin 2B, cos 2B, and tan 2B, using angle identities.

    asked by Ryan
  246. SCIIEENNNCEE

    how do we see upright if the images produced by our eyes are vertically inverted ( i know our brain does something to fix it... but not sure exactly what) Merci

    asked by mm
  247. Math Middle School

    Please help me solve this challenge problem: I love hot chocolate and coffee. I began by making one cup of hot chocolate. I drink half of my cup and then I fill the cup with coffee. I stir the new mixture and drink half of the cup and then fill the cup

    asked by HELP PLEASE!!!!!
  248. Alzhemiers

    How does alzhemiers have abnormal cell division? Please give me any link to any site, thanks.

    asked by Anonymous
  249. physics

    a room that measures 10.o ft wide, 32.0 ft long, and 8.00 ft high needs a certain amount of air pumped into it per minute to keep the air quality up to regulations. If the room needs completly new air every 20.0 minutes, whjat is the volume of air per

    asked by vc
  250. math

    2.Define the shape of the rectangular area by establishing a relationship between the length and width of the rectangle. For example, L = 2W + 5, or W = 3L – 4. Be sure to include the appropriate units (inches, feet, yards, miles, or meters). 3.Using the

    asked by Anonymous
  251. physics

    Two children float motionlessly in a space station. The 20-kg girl pushes on the 40-kg boy and he sails away at 1.0m/s. What happens to the girl?

    asked by Anonymous
  252. physics

    An object is dropped from a cliff and reaches a velocity of 47.5 m/s at the time of impact. a) How high is the cliff? b)How long did it take to hit the river below?

    asked by emily
  253. physics

    A metal sphere has a charge of +6.4 C. What is the net charge after 4.1 x 1013 electrons have been placed on it?

    asked by scott
  254. mrs SUe Algebra check

    I cant figure this out 6 /2 * 8-8 /2 +4 i got 6/2 * 8-8 /2 3*8 4 24 -4 = 20 is this right way? 29 - (3+5) *2 +3 i got 16 is that right? 5-[6+3(-40/8) + (-2)exponent 2 i got 9 x5 = 45 + 4 = 5 -49 = -44 is that correct? [-6*(2-4)]/(-2)-(-9) i got -1.71

    asked by marko
  255. geometry

    asked by natalia
  256. optics

    what is the success rate of laser eye surgery?

    asked by joanne g
  257. geometry

    complete the following proof. given: 5 -2/3x=1 proff: x=6

    asked by Anonymous
  258. MATH

    AUNT ALICE GAVE EACH OF HER 3 NIECES A NUMBER OF SILVER DOLLARS EQUAL TO THEIR AGES. THE YOUNGEST FELT THAT THIS WAS UNFAIR. THEY AGREED TO REDISTRIBUTE THE MONEY. THE YOUNGEST WOULD SPLIT HALF HER SILVER DOLLARS EVENLY WITH HER SISTERS.THE MIDDLE SISTER

    asked by mike
  259. trig

    Find the exact value by using a half-angle identity. cos 22.5 degrees

    asked by Omar
  260. Chemistry

    If 7 mL of water is added to 3 mL of a 0.50 M KOH solution, the concentration of KOH is changed to? I am not sure how to go about doing this. Please help, thank you!!! Would I do (7)(3) / 0.50?

    asked by Hannah
  261. Physic

    How long would it take a laser beam to go to the Moon and back if the distance to the Moon is 3.8 x 108 m? I know that Velocity of light is 3x10^8 m/s

    asked by Michelle
  262. Physic

    Assuming no air resistance, how long does it take a penny to fall if it was dropped from the CN Tower (553 m)? Acceleration due to gravity is 9.8 m/s2.

    asked by Anonymous
  263. Physic

    Assuming no air resistance, how long does it take a penny to fall if it was thrown down with an initial velocity of 5.0 m/s from the CN Tower (553 m)?

    asked by Anonymous
  264. Mathematics

    Images on a computer can be stored many ways to account for quality and space issues. One of the factors we can adjust is colour depth. Colour depth determines the number of bits we use for each pixel of an image. The pixels are the small dots that make up

    asked by Tanveer
  265. Math

    Find the volume of steel required to make the beam B=108cm2 Length is 80cm

    asked by Colby
  266. math

    Read the following scenario, and formulate the response you might give the parent; share your response, and explain your reasoning: A new math teacher at your school is questioning your use of manipulatives in the classroom. They think using manipulatives

    asked by missy
  267. physics

    Let the radius oh a circular segment be 110 m, the mass of the car 1508 kg, and the coefficient of the static friction between the road and tire 0.9. Find the magnitude of the normal force N which the road evers on the car at the optional speed (the

    asked by Kyra
  268. math 5

    The date of the first Friday in November can be represented by thevariable F. Write an expression using F for each of the following dates in November. A. the first Tuesday B.the first Saturday C. the second Friday D.the third Friday

    asked by nelia
  269. Math Middle School

    I just found the answer tonight that you posted for us last night. Ms. Sue informed me. THANK YOU VERY MUCH!!

    asked by Thank you Reiny !!!!!
  270. Math Middle School

    I was not able to find the posted answer at first. We have it now.

    asked by Ms. Sue (Thanks)
  271. Can someone help me please? MATH

    Identify the sampling technique used to obtain this sample: Each person boarding a plane is asked to flip a coin; those showing “tails” have their luggage searched.

    asked by Jen
  272. Science

    A football player has to push a blocking sled the length of a football field. What are two ways the workload for the football player could be increased?

    asked by Sierra
  273. psychology

    what are the four goals of psychology and one example for each?

    asked by philip
  274. MATH HELPPPP

    3b+7=-2 14+h/5=2 h/5=fraction m/8+4=16 m/8=fraction 3x-1=8 35=3+5x -3+m/3=12 m/3=fraction -x-4=-20 5=-z-3

    asked by KATIE
  275. Physics....

    A spacewalking astronaut with a mass of 78 kg pushes off a 540 kg satellite, exerting a 125 N force for the 0.5 seconds it takes him to straighten his arms. How far apart are the astronaut and satellite after 60 seconds?

    asked by Me
  276. business

    Customers arrive at Paul Harrold¡¯s styling shop at a rate of 3 per hour, distributed in a Poisson fashion. Paul a perform haircuts at a rate of 5 per hour, distributed exponentially. a) Find the average number of customers waiting for haircuts. b) Find

    asked by jkjk
  277. trig

    THE SIDE OF A RIGHT-ANGLED TRIANGLE ARE 3XCM,3X-1CM AND 4X PLUS 1CM ,THE LAST SIDE BEING THE HYPOTHENUS FIND X.

    asked by JULIE
  278. Math

    consider 2 car loans A) 5.9% APR and 3,000 'cash back' B) 1.9% APR and no cash back both loans are repaid after 5 years pick any car to buy and calculate the total amount owed at the end of 5 yearrs. which loan is better choice. the car i have choosen in

    asked by Yaneth
  279. Chemistry

    What volume of o.410 M HNO3 would you need to neutralize 18.75mL of 0.376M Ba(OH)2? Would you do (0.410)(18.75) / 0.376? Or (0.410)(0.376) / 18.75

    asked by Hannah
  280. Physics

    Water waves in a shallow dish are 7.05 cm long. At one point the water oscillates up and down at a rate of 3.6 Hz. What is the speed of the wave? Answer in units of m/s

    asked by Ashlynne
  281. Physics

    Plus 10 for each correct response and no penalty for incorrect answers. The length of a string is 996 cm. It is held fixed at each end. The string vibrates in six sections; i.e., the string has six antinodes, and the string vibrates at 190 Hz. find the

    asked by Ashlynne
  282. Physics

    What is the period that corresponds to a frequency of 53.1 Hz? Answer in units of s

    asked by Ashlynne
  283. physics

    A string of 29 identical Christmas tree lights are connected in series to a 120 V source. The string dissipates 65 W. What is the equivalent resistance of the light string? Answer in units of Ω

    asked by Anonymous
  284. Calculus

    Find f(x+h) for f(x)= x^2 - 2x - 3

    asked by Chelsie
  285. algebra 1a

    solve the system of equation by graphing. then classify the system. x + y=10 x - y=2

    asked by Anonymous
  286. chemistry

    What is the percent by mass concentration of KCl in a solution prepared by adding 80 grams KCl to 200 grams of water?

    asked by Cristina
  287. Physics

    An object is dropped from a cliff and reaches a velocity of 47.5 m/s at the time of impact. a) How high is the cliff? b)How long did it take to hit the river below?

    asked by Jim
  288. Math

    A blue jar has 25 marbles A red jar has 53 marbles .Which shows how to compare the number of marbles?

    asked by Mary
  289. chemistry

    mole creative assignment RAFT writing my raft is that i am mole, i am writing to periodic table, the rap song is a form will i take and explain how to find molar mass. using theese things i have to write half page paragraph but i don't know how start my

    asked by anmol
  290. Organic Chemistry

    What is the mechanism of action between between benzoic acid (C6H5COOH) and sodium bicarbonate (NaHCO3)? I need to know where the electrons go in the acid-base reaction.

    asked by BOB
  291. Science (Chemistry

    Write the relationship between the rate of disapperance of H2C2O4 (aq) and the rate of apperance on Mn ^2+ (aq) for the reaction represented by the following equation. 2MnO4^-(aq)+ 5H2C2O4 (aq)+6H3)^+(aq) -->10CO2(g)+2Mn^2+ (aq)+14H2) (l)

    asked by Asley
  292. Physics

    A 5.0 kg wooden block is placed on an adjustable inclined plane. (For this problem, μs is approximately 0.55 and μk is approximately 0.25) a) What is the angle of incline above which the block will start to slide down the plane? b) At what angle of

    asked by Yuki
  293. Organic Chemistry

    What is the mechanism of action between sodium benzoate (NaC6H5COO) and hydrochloric acid (HCl)? I need to know where the electrons go in this reaction.

    asked by BOB
  294. Science (Chemistry

    Use the experimental data below to determine the order of the reaction with respect to [Cr(NH3)5Cl]^2+(aq)+OH^-(aq)-->[Cr(NH3)5(OH)]^2+(aq) +Cl^-(aq) You must show your work for any calculations and/or sketch or include a printed graph showing how the

    asked by Asley
  295. Chemistry

    Rank the carbon-carbon bonds in order of decreasing bond length. Rank carbon-carbon bonds from highest bond length to lowest. To rank bonds as equivalent, overlap them. 1,2,3

    asked by Caitlin
  296. english

    Okay so there is a non profit organization called Heifer. This group sends animals to 3rd world countries. It teaches people to raise animals on their own for food. One stipulation to receiving the animal is you have to give two of it's offspring to

    asked by mark
  297. Physics

    The coefficient of kinetic friction between a suitcase and the floor is 2.14. If the suitcase has a mass of 71.5 kg, how far can it be pushed across the level floor with 570 J of work?

    asked by kidincoll3ge
  298. Physics

    Water skiers often ride to one side of the center line of a boat, as shown in the figure. In this case, the ski boat is traveling at 15 m/s and the tension in the rope is 90 N. If the boat does 3500 J of work on the skier in 42.4 m, what is the angle θ

    asked by kidincoll3ge
  299. arithmetic

    THE TOTAL AGE OF GROUP OF PARENTS IS 342.A NEW PARENT AGED 48 JOINS THE GROUP AND THE AVERAGE RISES BY 1. WHAT IS THE ORIGINAL AVERAGE.

    asked by JULIE
  300. Chemistry

    a titration experiment 20 mL solution of hydrochloric acid required 15.2mL of a .879 M barium hydroxide solution. What was the molar concentration of the HCl solution?

    asked by Chris
  301. slu

    what are critical points for the function g(x)=36x-9tanx

    asked by autleigh
  302. physics

    A mass m = 4 kg hangs on the end of a massless rope L = 2.02 m long. The pendulum is held horizontal and released from rest. 1)How fast is the mass moving at the bottom of its path? 2)What is the magnitude of the tension in the string at the bottom of the

    asked by a
  303. physics

    A mass m = 73 kg slides on a frictionless track that has a drop, followed by a loop-the-loop with radius R = 17.9 m and finally a flat straight section at the same height as the center of the loop (17.9 m off the ground). Since the mass would not make it

    asked by a
  304. physics

    A block with mass m = 14 kg rests on a frictionless table and is accelerated by a spring with spring constant k = 4545 N/m after being compressed a distance x1 = 0.515 m from the spring’s unstretched length. The floor is frictionless except for a rough

    asked by a
  305. Math

    How to convert 215% into a fraction. Can anyone help

    asked by Leslie
  306. college algebra

    U is jointly proportional to V and W. Let k be the constant proportionality. If U = 4 when V = 8 and W = 6, find the value of k

    asked by cool
  307. C

    number of moles of NaOH required to titrate 38.05mL of a 1.500 M H3PO4 solution

    asked by Nick