Questions Asked on
October 28, 2013

  1. Physics

    On a cloudless day, the sunlight that reaches the surface of the earth has an intensity of about 1.2 103 W/m2. What is the electromagnetic energy contained in 6.4 m3 of space just above the earth's surface?

    asked by Sarah
  2. Ed-tech/History question~!

    Which of the following statements about the women’s suffrage movement is most accurate? (1point) Women received the vote with little effort or opposition. Suffragists’ main strategy was the use of political cartoons. The women’s suffrage movement

    asked by Gabby
  3. Math

    the distance between the center of symmetry of a parallelogram and its longer side is equal to 12 cm. The area of the parallelogram is 720 cm^2, and its perimeter is 140 cm. Determine the length of the longer diagonal of the parallelogram

    asked by Xavier
  4. physics

    The following table lists data for the speed and radius of three examples of uniform circular motion. Find the magnitude of the centripetal acceleration for each example.

    asked by Anonymous
  5. Math

    At Strawberry State College, the ratio of females to males is 2:1. If there are 2400 students, how many are female and how many are male?

    asked by Mary
  6. Physics

    A 20-kg child sits on a see saw on the playground, 3.0 m from the pivot. A 2nd child is seated on the other side of the pivot and 2.00 m from the pivot. The mass of the second child needed to lift the first child off the ground is

    asked by Mikhail
  7. Calculus

    Find all numbers c that satisfy the conclusion of Rolle's Theorem for the following function. If there are multiple values, separate them with commas; enter N if there are no such values. f(x)= x^2-10x+3, [0,10]

    asked by Nathan
  8. Statistics

    A city ballot includes a local initiative that would legalize gambling. The issue is hotly contested, and two groups decide to conduct polls to predict the outcome. The local newspaper finds that 53% of 1200 randomly selected voters plan to vote "yes,"

    asked by Jeffrey
  9. Chemistry #27

    Given that: H2 (g) + F2 (g) ---> 2HF (g) H(rxn)= -546.6 kJ 2H2 (g) + O2 (g) ---> 2H2O (l) H (rxn)= -571.6 kJ calculate the value for H(run) for... 2F2(g) + 2H2O (l) ---> 4HF (g) + O2 (g) _____kJ?

    asked by Chelsea
  10. Operation

    Parsa Real Estate is a company that buys and rents real estate. The company is looking into buying an office building for $1M.Thebuilding has 10,000 square feet of rentable office space. The company analysts predict that they can rent the office space for

    asked by Nilu
  11. physics

    A flower pot is thrown out of a window with a horizontal velocity of 8 m/s. If the window is 1.5 m off the ground, how far from the window does it land?

    asked by k
  12. English

    5. Identify the simple subject in the sentence "There are too many people on this elevator." A. many B. people C. There D. elevator I picked B, because people is the subject and the verb is are. This places the verb before the subject, since the subject of

    asked by Cassie
  13. College Algebra

    A bank credit card charges interest at the rate of 23% per year, compounded monthly. If a senior in college charges $1,700 to pay for college expenses, and intends to pay it in one year, what will she have to pay?

    asked by Dee
  14. Statistics

    the forms used in your coding area cost $100.00 per 1,000 forms for the first 2,000 and $50 for every 1,000 thereafter. If you need to order 5,000 forms, what is the total cost?

    asked by Kitty
  15. Health (10th Grade)

    What is one role fats play in keeping your body healthy? A. maintaining healthy skin and nails B. aiding muscle growth C. removing waste D.lubricating joints I believe it's C, but I'm not quite sure. I'm a cyber school student and I can't seem to find the

    asked by Lexie
  16. Physics Classical Mechanics

    The mean distance from the center of the earth to the center of the moon is rem = 3.84 × 108 m. The mass of the earth is me = 5.98 × 1024 kg and the mass of the moon is mm = 7.34 × 1022 kg. The mean radius of the earth is re = 6.37 × 106 m. The mean

    asked by Anonymous
  17. Physics

    You place a box weighing 208N on an inclined plane that makes a 40.3 degree angle to the horizontal. Compute the component of the gravitational force acting down the inclined plane. Answer in N

    asked by Harmonie Sky
  18. Statistics

    The coding department of a large physician clinic is interested in purchasing a software program that will edit claims before they are sent out to billing. The license fee for the software costs $34,000 per year. The software is expected to reduce the

    asked by Joe
  19. science

    OBJECTIVE: to find out which of two indicators, methyl orange or phenolphthalein, gives more reliable and consistent results in the titration of H3PO4 with NaOH. REQUIREMENT: (1). Phosphoric acid solution of unknown concentration. (2). Standard NaOH

    asked by somiah
  20. AP Chemistry

    in a coffee-cup calorimeter, 50.0 mL of 0.100 M AgNO3 and 50.0 mL of 0.100 M of HCl are mixed to yield the following reaction: Ag+ (aq) + Cl- (aq) >> AgCl (s) the two solutions were initially at 22.60 degree celsius, and the final temperature is 23.40

    asked by Kailah
  21. Algebra 1---Urgent! Please, help me!

    1. A store manager is accepting applications for part-time workers. He can hire no more than 14 people. So far, he has hired 9 people. Write and solve an inequality to determine how many more people the manager can hire. 2. 4/5h => -2 3. A designer is

    asked by Anonymous
  22. Physics 101

    What is the angular momentum of a figure skater spinning at 2.9rev/s with arms in close to her body, assuming her to be a uniform cylinder with a height of 1.5m , a radius of 15cm , and a mass of 59kg ?

    asked by mary
  23. accounting

    In addition, assume that Anheuser-Busch InBev sold 200 million barrels of beer during the year. Assume that variable costs were 75% of the cost of goods sold and 40% of selling, general and administration expenses. Assume that the remaining costs are

    asked by Anonymous
  24. Physics

    A sample of an unknown material appears to weigh 275 N in air and 160 N when immersed in alcohol of specific gravity 0.700. What is the volume of the material? What is the density of the material?

    asked by Caitlin
  25. Health

    1) Marcia is learning to perform a back handspring for the first time at her gymnastics class. One beginning principle necessary for a safe and successful performance of this skill is to practice the movement: At full speed immediately to feel how your

    asked by Anonymous
  26. Calculus

    List the critical numbers of the following function in increasing order. Enter N in any blank that you don't need to use. f(x) = (6x+6)/(5x^2+5x+5)

    asked by Nate
  27. AP Chemistry

    in a coffee-cup calorimeter, 50.0 mL of 0.100 M AgNO3 and 50.0 mL of 0.100 M of HCl are mixed to yield the following reaction: Ag+ (aq) + Cl- (aq) >> AgCl (s) the two solutions were initially at 22.60 degree celsius, and the final temperature is 23.40

    asked by Kailah
  28. Chemistry #25

    Use enthalpy of formation data to calculate the number of moles of CO2(g) produced per megajoule of heat released from the combustion of each fuel under standard conditions (1atm and 25 degrees C) a. coal C(s, graphite) = _____mole-MJ b. natural gas,

    asked by Chelsea
  29. English (parts of speech)

    1)Few comic strip are really comical 2)Few attended the meeting (Few is: adjective, verb ,adverb, preposition) (the first and the second are different 3)Before the telecast, we were all nervous 4)Before you leave, let me have your address Before is in the

    asked by Anonymous
  30. Beginner Spanish

    I need help please Complete the sentences with the correct forms of conseguir, ir, pensar, querer, or suponer. Nosotros _______ de excursión a las montañas, Toño. ¡Yo____ que vas a dormir todo el fin de semana! No, Carmen. No voy a dormir. Voy a ver

    asked by Kelly
  31. Combination math

    The camera club has 5 members and the mathematics club has 8. There is only one member common to both clubs. In how many ways could a committee be formed with at least one member from each club?

    asked by rinchan
  32. math

    ben has 15 puzzles and 27 cds, when he takes a trip he likes to bring one puzzle and one cd as entertainment. how many trips can he take with a different puzzle and cd pair?? and please show how to solve it.....

    asked by jj
  33. Maths

    There was a question: A gallon jug of milk is 3/4 full. After breakfast, you drink 1/12 of the milk. What fraction is the gallon is left? And here was my answer: 1/12 drank --> 11/12 left 3/4*11/12=11/16 But I got the question wrong. Did I get it wrong? I

    asked by Nana
  34. Earth and Environmental Science

    The solar wind can be thought of as evidence for which theory of light?

    asked by Emily
  35. Algebra 1 (Ms. Sue or Steve or Reiny)

    I cannot solve these, no matter how much I have desperately tried. I must complete this quickly! Can anyone assist me, please? 1. A store manager is accepting applications for part-time workers. He can hire no more than 14 people. So far, he has hired 9

    asked by Anonymous
  36. Chemistry

    Which starting material used in the air bag inflator is least important for the proper inflation of the air bag? Would it be necessary to have it present in a precise stoichiometric ratio? Why or why not? 2. What is the correct stoichiometric ratio between

    asked by Anonymous
  37. Algebra 1

    4. Two consultants were hired by a company. The total consultant fees were $18,500. If one consultant had earned $500 less, each consultant would have been paid the same. How much was each consultant paid? 6. Five cars in a race all finished within 8

    asked by CJ
  38. Computer Programming using python

    Write a program to calculate the credit card balance after one year if a person only pays the minimum monthly payment required by the credit card company each month. The following variables contain values as described below: balance - the outstanding

    asked by Anonymous
  39. calc

    I have everything right but the last question asking how many cases per week The consumer demand equation for tissues is given by q = (97 − p)2, where p is the price per case of tissues and q is the demand in weekly sales. (a) Determine the price

    asked by Kyle
  40. math - Combination

    A bridge hand consists of 13 cards. How many bridge hands include 5 cards of one suit, 6 cards of a second suit and 2 cards of a third suit?

    asked by rinchan
  41. english

    can someone help take out the fragments Most Americans take the humble hamburger for granted. In actuality, it has a long and interesting history. The burger originated in Russia during the Middle Ages. When a group of Mongolian Tartars shredded some raw

    asked by abdul
  42. Physics Classical Mechanics

    A railroad gun of mass M = 2.0 kg fires a shell of mass m=1.0 kg at an angle of θ= 40.0 ∘ with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle

    asked by Anonymous
  43. electricity magnetism physics

    A proton is release from rest at the origin in a uniform electric field in the positive x direction with magnitude 850N/C. What is the change in electric potential energy when the proton travels to x = 2.50m

    asked by wi
  44. alGEBRA 2 help please would appreciate

    graph 36x^2-900=25y^2 show the step please

    asked by lisa
  45. math

    Fay's rubber ball bounces exactly half the height from which it is dropped. she drops the ball from the top of a building that is 64 meters tall. how high will the ball bounce on its eight bounces? please help me

    asked by jasmin
  46. math

    which of the following statements shows the halving and doubling strategy to find 28*50 a. 28*50=14*100 b. 28*50= (14*25)*(14*25) c. 28*50= (20*50)+(8*50) d. 28*50= 2*(14*25)

    asked by krahman4
  47. Chemistry #17

    When a 5.00g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of 3.982 kJ-K, the temperature decreases by .210 K. Calculate the molar heat of solution of KBr. =____kJ/mol

    asked by Chelsea
  48. ENGLISH

    What did "catch a cold" mean when Shakespeare first used it?

    asked by Lily
  49. calculus

    find 3 positive real numbers whose sum is 500 and whose product is as large as possible.

    asked by karl
  50. English

    1. After the rioters in "The Pardoner's Tale" abandon their search for Death, they murder one another. This is an example of: A. dramatic irony B. situational irony C. verbal irony D. poetic irony I said B. 2. "Please don't be offended at my views; They're

    asked by Eri Uchi
  51. Health

    3) Becky and Tremaine are finishing up their workout on the treadmill at the local gym. Select the best cool-down sequence for them to use. Strength exercises, static stretching, walking in place Static stretching, walking in place, strength exercises

    asked by Anonymous
  52. math

    The velocity(in feet per second) of a bouncing ball was recorded every second. The table shows the velocity for each second. Time(sec):|1|2|3|4|5| Velocity(ft/sec)|-15|-6|2|10|-11| What is the average velocity of the bouncing ball over 5 seconds? What is

    asked by Kai-Cin
  53. chemistry

    How many milliliters of a 0.5 molar HCl solution are needed to react completely with 15 grams of zinc according to the following equation? ? HCl+? Zn→? ZnCl2 +? H2 Answer in units of mL

    asked by Anonymous
  54. Cal II

    express integrand as sum of partial fractions and evaluate the integral. My answer is 3 ln x + -2ln(x+2). But the choices are nothing like this. What am i doing wrong??

    asked by UGH!
  55. Math

    Value Rent-a-Car rents a luxury car at a daily rate of $37.01 plus 10 cents a mile. A business person is allotted $100 for car rental each day. How many miles can the business person travel on the $100? _______miles

    asked by Jackie
  56. chemistry

    titration question: How many moles of HCl must have been present in the 25mL of HCl solution in the 2 trials? Given: Trial 1: V of HCl= 25.00mL, V of NaOH used=29.50mL and M of NaOH=0.18M Trial 2: V of HCl=25.00mL, V of NaOH used=28.50mL and M of

    asked by robyn
  57. Statistics

    Which is true about a 99% confidence interval for a population proportion based on a given sample? I. We are 99% confident that the population proportion is in our interval. II. There is a 99% chance that our interval contains the sample proportion. III.

    asked by Fred
  58. chemistry

    What volume of 0.714 M K3PO4 is required to react with 27 mL of 0.97 M MgCl2 according to the equation 2 K3PO4 + 3 MgCl2 → Mg3(PO4)2 + 6 KCl Answer in units of mL

    asked by Anonymous
  59. math

    Find the next two numbers in the folowing pattern: 12,500,2500,,500,-100 PS:12,500 is pernounced Twelve thousand five hundred. Find the mean of the folowing integers: 5,-7,12,-10,15. Also:-16,-27,21,-19,14,-3 Sorry about the extra work.

    asked by Kai-Cin
  60. Statistics Math

    Pye and Associates recently conducted a survey to determine the percent of adult county residents who believe that students in public high schools should wear uniforms to school. The telephone poll of 325 adults found that 35% of the adults believe that

    asked by Michael
  61. physics

    HOW DO I DO THIS PLZ HELP I DON'T NEED U TO SOLVE I JUST NEED TO KNOW HOW Salmon often jump waterfalls to reach their breeding grounds. Starting 2.65 m from a waterfall 0.584 m in height, at what minimum speed must a salmon jumping at an angle of 25.2 ◦

    asked by jonathan
  62. english

    I need help writing a narrative essay

    asked by twanikia
  63. Statistics

    All the patients who present to the emergency services dept with a suspecetd AMI are expected to receive an ECG within 10 mins of their arrival. Of the 56 patients who had a suspected AMI during the last quarter, 32 had an ECG within the specified time

    asked by Anonymous
  64. Science - Newton

    How did Isaac Newton affect the Heliocentric Theory?

    asked by Chipe Martinez
  65. Chemistry

    Which starting material used in the air bag inflator is least important for the proper inflation of the air bag? Would it be necessary to have it present in a precise stoichiometric ratio? Why or why not? 2. What is the correct stoichiometric ratio between

    asked by Anonymous
  66. chemistry

    what is the chemical reaction of camphor and coca cola drink

    asked by mary
  67. Computer Programming using python

    Now write a program that calculates the minimum fixed monthly payment needed in order pay off a credit card balance within 12 months. By a fixed monthly payment, we mean a single number which does not change each month, but instead is a constant amount

    asked by Anonymous
  68. Physics Classical Mechanics

    A superball of mass m, starting at rest, is dropped from a height hi above the ground and bounces back up to a height of hf. The collision with the ground occurs over a total time tc. You may ignore air resistance. (a) What is the magnitude of the momentum

    asked by Anonymous
  69. Algebra

    The formula B=30a is used in New England to estimate the minimum furnace output, B, in BTU's for a modern house with the amount of square feet of flooring, a a. determine the minimum furnace output for a 2000 ft2 modern house b. solve the formula for a

    asked by Jackie
  70. Finance

    Atlantic Seafood has determined that $17,000 is the break-even level of earnings before interest and taxes for the two capital structures it is considering. The one structure consists of all equity with 12,000 shares of stock. The second structure consists

    asked by Maureen
  71. AP Chem

    2) For a theoretical yield of 19 g and actual yield of 11 g, calculate the percent yield for a chemical reaction. Answer in units of %. 11 g / 19 g times 100 = 57.89% in your 2 sigfig problem, you might be expected to round off to 58%

    asked by Anonymous
  72. Algebra 1 (Reiny)

    1). Describe the solutions of 1/3x => 2 in words. A: The solutions of 1/3x => 2 are all real numbers greater than or equal to 2? 2). Citizens less than 18 years old are not allowed to vote. Define a variable and write an inequality for the ages of citizens

    asked by Anonymous
  73. english

    correct these paragraphs Most Americans take the humble hamburger for granted. In actuality, it has a long and interesting history. The burger originated in Russia during the Middle Ages. When a group of Mongolian Tartars shredded some raw meat scraps and

    asked by abdul
  74. Math

    Given 1 mile= 1,760 yards convert 6,688 yards to miles. Now convert it to feet. 3.8 miles and 20064 feet.

    asked by Jerald
  75. Science

    Which of the following statements best summarizes the Seafood Print research discussed in your text?

    asked by Meme
  76. chemistry

    How many milliliters of a 0.5 molar HCl solution are needed to react completely with 15 grams of zinc according to the following equation? ? HCl+? Zn→? ZnCl2 +? H2 Answer in units of mL

    asked by Anonymous
  77. physics

    A speed skater goes around a turn that has a radius of 33 m. The skater has a speed of 13 m/s and experiences a centripetal force of 460 N. What is the mass of the skater?

    asked by Anonymous
  78. Chem

    A 250.0 mL sample of 0.200 M aqueous aluminum chloride is mixed with 100.0 mL of 0.200 M aqueous sodium hydroxide.

    asked by Anonymous
  79. Chem

    A 250.0 mL sample of 0.200 M aqueous aluminum chloride is mixed with 100.0 mL of 0.200 M aqueous sodium hydroxide. I need help calculating the concentration of Na... Check these concentrations: OH= 0M since is the LR Al= 0.124M Na=?? Cl= 0.429M

    asked by Anonymous
  80. calculus

    A trough is 6 feet long and has ends that are isosceles triangles that are 1 foot high and 3.5 feet wide. If the trough is being filled at a rate of 9 cubic feet per minute, how fast is the height of the water increaseing when the height is 5 inches?

    asked by Matt
  81. PHYSICS

    A proton moves with a velocity of vector v = (6i hat bold - 3j hat bold + k hat bold) m/s in a region in which the magnetic field is vector B = (i hat bold + 2j hat bold - 3k hat bold) T. What is the magnitude of the magnetic force this charge experiences?

    asked by ANITA
  82. Computer Science

    Suppose X is a random variable and Y = aX + b is a linear function of X. Show that the correlation of X and Y is -1 if a < 0. cor(X,Y) = cov(X,V)/ sqrt(var(X)*var(Y))

    asked by Jerry
  83. Physics Classical Mechanics

    The figure below shows the experimental setup to study the collision between two carts. In the experiment cart A rolls to the right on the level track, away from the motion sensor at the left end of the track. Cart B is initially at rest. The mass of cart

    asked by Anonymous
  84. Statistics

    HIM department at Community Hospital will experience a 15 percent increase in the number of discharges coded per day as the result of opening a cardiac clinic in the facility. The 15 percent incrase is projected to be 100 additional records per day. The

    asked by Kitty
  85. PHYSICS (HELP)

    An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3,

    asked by Anonymous
  86. 7th grade math

    Your team dives for 28 lobsters over 7 days. What is the average daliy lobster catch?

    asked by Kai-Cin
  87. chemistry

    calculate the lowest values of the energies of an electron, a neutron and a photon which allows diffraction from the (1,0,1) planes of silicon, using Bragg diffraction. lattice parameter 0.542nm

    asked by laura
  88. vocabulary

    The american people must take action right now to deal with the problem of pollution that (looms, seethes) so large on our horizon. Answer: looms I saw white-bearded men rising and shaking their fists at the obdurate Professor. The whole great audieance

    asked by cici
  89. Algebra

    a car repair shop charge $80 per hour for labor and $210 for the parts of a car . if the total cost of repair for the car was $490 , how many hours did it take ro repair the car ?

    asked by John
  90. math

    a new car is old with or without anti-lock brakes, with or without a CD player, with or without electric seats, and with or without a sunroof. How many different choices are there?

    asked by Anonymous
  91. Statistics

    Please Help I'm desperate! Complete the hypothesis test with alternative hypothesis ìd < 0 based on the paired data that follow and d = M - N. Use á = 0.02. Assume normality. M 48 47 67 79 73 66 N 52 55 68 87 78 70 (a) Find t. (Give your answer correct

    asked by Casey
  92. calculus

    A plane that is flying horizontally at an altitude of 6 kilometers and a speed of 570 kilometers per hour passes directly over a radar station. How fast is the distance between the plane and the radar station increasing when the distance between the two is

    asked by Matr
  93. Math

    Determining relative value with fraction. 1). 7/18 2). 5/12 3). 2/4

    asked by Anonymous
  94. alGEBRA 2 help please would appreciate

    find the foci of 9x^2-25y^2=225 I get this far a^2=5 and B^2=3 AND I KNOW I HAVE TO USE THE formula c^2=a^2-b^2 i don't know what to do now if add it i get c^2=34 please help show the step thanks

    asked by lisa
  95. physics

    The pressure in each of your car tires is 2.10 105 Pa. The mass of your car is 1660 kg. Assuming that each of your tires bears one-quarter of the total load, what is the contact area of each tire with the road?

    asked by dillon
  96. Physics

    A nuclear reactor for producing neutron beams is refuelled with about 10 kg of uranium, which contains initially 90% of the fissile isotope 235U. The reactor operates continuously at a constant thermal power of 57 MW until the quantity of 235U is reduced

    asked by Ryan
  97. English (parts of speech)

    1) This isnt Leslie's handwriting 2)This airoplane luggage weighs only ten pounds. Identify (This) in each sentences (Nouns-pronoun-conjunction-adjective-adverb)

    asked by Anonymous
  98. math

    the length of a rectangular garden plot is twice the width of the plot.if the fence around the garden is 600 ft long,what is the length of the garden plot?

    asked by jess
  99. Hillary

    Using the words ardent, arid, assuaged, menagerie, nostalgia, obliterate put them in right places. Correct me if im wrong on any of this! :) A. The ARID climate in phoenix made it a comfortable area for June to live. The move to Phoenix also ASSUAGED some

    asked by Kari
  100. calculus

    A street light is at the top of a 15.000 ft. tall pole. A man 6.300 ft tall walks away from the pole with a speed of 6.000 feet/sec along a straight path. How fast is the tip of his shadow moving when he is 45.000 feet from the pole?

    asked by Matt
  101. Algebra 2

    If the point P is on the graph of a function f, find the corresponding point on the graph of a given function. P (0,5) y = f ( x + 2 ) - 1

    asked by Serena
  102. PHYSICS

    A velocity selector consists of electric and magnetic fields described by the expressions vector E = E k hat bold and vector B = B j hat bold, with B = 0.0140 T. Find the value of E such that a 670 -eV electron moving along the negative x axis is

    asked by ANITA
  103. math

    Find the 7th term of arithmetic progression...12,20,28.

    asked by sirvic
  104. English

    One of the Ig Nobel Prizes is the Prize for Bird Science. (What is the meaning of the preposition 'for'? Is 'for' 'concerning' or 'about'?)

    asked by rfvv
  105. English

    1. Have you received the prizes so far? 2. Have you ever received the prizes. (Are both the same in meaning, showing 'experience'?) 3. Have you ever received the prizes so far? (Can we say like this, Sentence 3? Does Sentence 3 have the same meaning as the

    asked by rfvv
  106. Computer Programming using python

    You'll notice that in Problem 2, your monthly payment had to be a multiple of $10. Why did we make it that way? You can try running your code locally so that the payment can be any dollar and cent amount (in other words, the monthly payment is a multiple

    asked by Anonymous
  107. Maths

    A flat circular disc, of radius R, can be modelled as a thin disc of negligible thickness. It has a surface mass density function given by f(r,φ) = k(1 - r2/R2), where k is the surface density at the centre and r is the distance from the centre of the

    asked by Matthew
  108. biology

    Imagine that you collected your data above, threw away the gel, and re-ran PCR again on the same samples, but using a different set of primers. How will the 2nd gel differ from the first since you're using a different set of primers?

    asked by HELP PLEASE
  109. math

    jones attained the following scores in three tests 36,75,60. if his average in four tests is 75, find his mark in the fourth test.

    asked by kellyann
  110. Physics Classical Mechanics

    An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3,

    asked by Anonymous
  111. Physics Classical Mechanics

    A spacecraft of mass m1 = 2161 kg with a speed v1i=7.0 ×103 m/s approaches Saturn which is moving in the opposite direction with a speed vs=9.6×103 m/s. After interacting gravitationally with Saturn, the spacecraft swings around Saturn and heads off in

    asked by Anonymous
  112. Math

    Convert 500feet/minute to miles/hour. I don't know how to do this

    asked by Jerald
  113. Culture question

    whats difference between insider and outsider what makes one insider and outsider?

    asked by Mohammad
  114. Coordinate Geometry: Ms.Sue or someone please help

    Hi! Can you please help me with this problem/proof? I'm not sure how to approach it. Thanks! Prove that a line perpendicular to a radius at the point where the radius meets the circle is tangent to the circle. Use coordinate geometry.Hi! Can you please

    asked by Anonymous
  115. descrete and combinational math

    How do i write (x+ y /(z^2 + 3) )-xy as a polish notation ?

    asked by larry
  116. Psychology

    For each of the following research questions, indicate the following: (1) the type of research that would best answer the question, 2) an appropriate sampling method, and 30 the best method of collecting the data. a) How do the minority groups at a certain

    asked by Rachelle
  117. physics(elena)

    An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3,

    asked by Anonymous
  118. history

    Does Cortes' letter point out any possible problems with the use of primary source documents? Based upon the text, what are some examples of possible problems? Which is more reliable, a primary source or a secondary text?

    asked by jay
  119. Math

    (-1/2)+3/5/[9/10-(3/5)] I got 1/15 is this correct? I don't think so please help and explain how you did this :)

    asked by Cherie
  120. Math

    Convert 500feet/minute to miles/hour. So I'd divide 500/5280 to get 0.0946

    asked by Jerald
  121. Math

    Following the guidelines of the Food and Drug Administration, Davita tries to eat at least 5 servings of fruit each day. For the first six days of one week , she had 5,5,4,4,4, and 5 servings. How many servings of fruit should Davita eat on Saturday to

    asked by JayDee
  122. Statistics Math

    The sample proportion is never equal to the population proportion We expect 95% confidence intervals to contain the sample proportion 95% of the time Are the above statements true? I would say yes because the sample proportion is not the same as the

    asked by Michael
  123. english

    Find the simple subject and simple predicate in the sentence below: Juan wrote the report, but Jason gave the presentation.

    asked by Anonymous
  124. math

    Mary hits 60% of her free throw shots in yesterdays game. If Mary takes 7 free throw shots in yesterdays game, what is: A. The probability she scores 5 of those shots? B. The probability she scores none of the shots? C. Her average number of hits, or shots

    asked by Tiff
  125. Science

    a scientist crosses a plant with red flowers and a plant with white flowers. The off spring will most likely have a) red flowers b) white flowers c) pink flowers d) red flowers with white patches

    asked by Steve
  126. English

    Which sentence is correct: They are planning a persons' party. or They are planning a people's party. I don't think either sounds correct, but these are the only choices!

    asked by Amanda
  127. Algebra 1 (Ms. Sue or Steve or Reiny)

    Solve each inequality. 1). |z -6| + 8 > 5 A: No solution? 2). 2|x -3|

    asked by Anonymous
  128. biology

    The primary structure of proteins is often described as "amino acids connected like beads on a string". In this same vein, which of the following images best describes a protein's quaternary structure?

    asked by Anonymous
  129. physics need urgent helpp

    i have tried everything, please helpp A snowmobile, with a mass of 530 kg, applied a force of 410 N backwards on the snow. What force is responsible for the snowmobile’s resulting forward motion? (Hint: Think action–reaction force pairs.) If the force

    asked by iyzi
  130. Algebra 2

    These 3 equations all describe the same quadratic function. What are the coordinates of the following points on the graph of the function? From which equation is each point most easily determined? y = (x - 5) (x + 1) y = x^2 - 4x - 5 y = (x - 2) ^2 - 9

    asked by Joy
  131. Algebra 2

    Make up an equation that satisfies the given conditions: must have x-intercepts at (1,0) and (2,0). It must also have a y-intercept at (0,4). How do you factor the y-intercept?

    asked by Joy
  132. Chemistry - is this correct?

    Write the electronic configuration for nickel(#28). I know it is 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^8 (b) How many electrons are there of highest energy in nickel? Is it 8? (c) how many electrons are there in the outermost energy level(orbit) of nickel? Is

    asked by Anonymous
  133. physics

    A satellite has a mass of 6173 kg and is in a circular orbit 4.71 × 105 m above the surface of a planet. The period of the orbit is 1.6 hours. The radius of the planet is 4.31 × 106 m. What would be the true weight of the satellite if it were at rest on

    asked by Anonymous
  134. pol201

    The Annapolis Convention was called to address smaller states would get more representation than larger states. the people would select the House of Representatives as a practical expression of democracy. the House would select the Senate and the

    asked by layla
  135. Coordinate Geometry

    Hi! Can you please help me with this problem/proof? I'm not sure how to approach it. Thanks! Prove that a line perpendicular to a radius at the point where the radius meets the circle is tangent to the circle. Use coordinate geometry.Hi! Can you please

    asked by Anonymous
  136. statistics

    Find the uniform continuous probability for P(X < 27) for U(0, 50). I need the formula to figure out with 4 place decimal place as an answer

    asked by angel
  137. school Physics

    A large charge distribution Q exists at the center of a cube. It is surrounded by six smaller charges, q , each facing a direction perpendicular to a face of the cube.What is the electric flux through one of the sides of the cube?

    asked by Nisha
  138. English

    Shakespeare invented many familiar words and phrases. Find five examples that Shakespeare invented and that we still use today. Define what they meant in Shakespeare's time and what they mean now. (I tried to look some up but they did not give the

    asked by Lily
  139. Bio/Science PLEASE HELP

    If the axo-membrane becomes more permeable to potassium ions.. Which onewould be true? A. the inside of the membrane will become more positively charged. B. the membrane will depolarize rapidly. C. it will take a stimulus of larger magnitude to initiate an

    asked by Talan
  140. Biology

    Imagine that you collected your data above, threw away the gel, and re-ran PCR again on the same samples, but using a different set of primers. How will the 2nd gel differ from the first since you're using a different set of primers?

    asked by Anonymous
  141. Chemistry

    Having some difficulty with this question. Can anyone help me please? Thank you in advance for your time. 85 microliters of acetophenone (120.15 g/mol, 1.03 g/ml) was reacted with 3.0mL of aq NaOCl (5% available chlorine) to give 72mg of benzoic acid

    asked by Michelle
  142. Math

    Given 1 gallon= 3.8 liters and 1 gallon = 4 quarts Convert 2 liters to quarts Do I multiply 3.8 and 4?

    asked by Jerald
  143. Coordinate Geometry: Ms.Sue or someone please help

    Hi! Can you please help me with this problem/proof? I'm not sure how to approach it. Thanks! Prove that a line perpendicular to a radius at the point where the radius meets the circle is tangent to the circle. Use coordinate geometry.Hi! Can you please

    asked by Anonymous
  144. brief calculus

    I found that c=1 but i can't get the other two questions The velocity of a particle moving in a straight line is given by v(t) = t2 + 7. (a) Find an expression for the position s after a time t . s(t) = _____ + C (b) Given that s = 1 at time t = 0, find

    asked by Kyle
  145. English

    We have to write a myth for class. Any good myths to help me come up with one?

    asked by Anonymous
  146. Earth Space

    Why is oxygen an imporant variable gas?

    asked by Bryce
  147. English

    1. Research projects that have won Ig Nobel Prizes are real, serious scientific work. 2. Research projects that have ever won Ig Nobel Prizes are real, serious scientific work. (Does #1 mean #2? What is the meaning of 'have won'? Does 'have won' mean

    asked by rfvv
  148. Maths

    Determine which one of the following vector fields is conservative. Answer 1. U = (y2 + 2z)i + (5xy + 6z)j + (2xz + y + z2)k 2. G = 2xi - (2 - xz)j + xyk 3. F = -w(yi - xj) where w is a positive constant. 4. H = -k(2xi + yj) where k is a constant.

    asked by Kirch
  149. math

    10 numbers have an average of 12 whereas 5 other numbers have an average of 36. find the average of the 15 numbers

    asked by kellyann
  150. College writing supplement edit

    can someone edit this Connecticut College is easily my prime choice, as I believe that its exemplary academic and career opportunities will not only help me advance as a student, but also as a future professional English teacher. The college one chooses

    asked by chhristine
  151. SCIENCE

    The intensity level of sound A is 5.0dB greater than that of sound B and 3.0dB less than that of C. Determine the ratio(Ic/Ib) of the intensity of sound C to that of B.

    asked by KING
  152. Culture Festival

    i went to interior health festival, doing participant observation, its asking were there patterns of behaviour that are repeated? just people socializing, I not notice anyting else, some healing sessions taking place. how do i write about 5 senses? i not

    asked by Mohammad
  153. Algebra 1 Equation

    -a + 8 < -2 OR -3a >-9

    asked by Anonymous
  154. math

    Which of the following houses would you have the greatest probability of getting a crunch bar while trick or treating if the owner is randomly handing out one item to each child? 1) house 1 has 30 crunch bars,20 sour patch kids, 30 Swedish fish 2) house 2

    asked by B8
  155. Math

    Determine if fraction is more, less or equal to half. 1). 6/8 2). 7/8 3). 7/16 4). 5/12 5). 2/4 6). 2/12 7). 7/12 8). 14/16 9). 5/14 10). 6/8

    asked by Anonymous
  156. Math

    Randy has one box of 12 cookies and another box of 34 cookies. Jamal has one box of 48 cookies . Use ,or = to comber of cookies Jamal and Randy have. The answer: Randy: 12+34=46 Jamal: 48 Compare: 46

    asked by Nawaf
  157. math

    15 INCREASED BY T IN ALGEBRAIC EXPRESSION my answer is t + 15 9 dollars less than b in algebraic expression. My answer is b - 9 am i right or wrong?

    asked by Miki
  158. math

    A skateborder descends on a ramp from 172 feet to 67 feet in 15 seconds. What is the average change in height per sceond?

    asked by Kai-Cin
  159. algebra

    find the quotient (-9x^2 + 3x^2- 15x) - (-3x)

    asked by Tracy
  160. math

    round to the nearest tens. 646

    asked by Raquel
  161. Bio/science

    what are some Echinodermata examples of a representative species for a taxon

    asked by Vithu
  162. Polynomials

    P dollars is invested at annual interest rate r for 1year If the interest is compounded semiannually then the polynomial P(1+r/2)^2 represents the value of the investment after 1 year. rewrite the expressions without parentheses evaluate the polynomial if

    asked by Tracy
  163. math

    I need a prime and composite factor chart. Can you help me?

    asked by michele
  164. calculus

    find Arc Length of (9-x^(2/3))^(3/2) I square the second derivative and have it under the square root but then get stuck at (-9x^-1)+x^(-1/3)+1 Help?

    asked by ConfusedEngineer
  165. math

    how do you rename 2/5 so you can add it to 11/25? what is the sum?

    asked by mikel
  166. math

    -2/3x>8

    asked by Kyle
  167. Math

    10-3(4a - 3) < 2(3a - 4) -9

    asked by Beau
  168. Math

    A growing number of colleges are teaming up with banks to issue student ID cards that double as debit cards. There were 51 such partnerships in 2003. This number grew to 127 in 2006. What is the percent of increase?

    asked by Jackie
  169. Algebra

    (-9x^3 + 3x^2 -15x)divided by (-3x) Find the quotient

    asked by Tracy
  170. Chemistry

    What is the electro-negativity of NO ? (Nitric oxide)

    asked by Lala
  171. Georgia Studies

    Apart from being a dispute over land between the French and British, what are some key elements to the French and Indian War?

    asked by Clare
  172. Math

    Which is a better buy : $0.89 for 1 liter or $0.89 for 1 quart 0.89 for 1 liter

    asked by Jerald
  173. science need help Ms. sue

    What are the materials I need for my science project. my science project is "How does stress affect your body"

    asked by ingrid
  174. Math

    Given 1 mile=1760 yards convert 6,688 yards to miles. Now convert it to feet I know I've asked this already but I couldn't find the post to check. 3.7 miles and 20064 feet

    asked by Jerald
  175. Maths

    In polar coordinates, the parametric equations x=6+cos(f) and y=sin(f) represent a circle C1. In Cartesian coordinates, there is a circle C2 that is externally tangent to C1, tangent to the y-axis, and centered at (10,sqrt2). What is the value of a?

    asked by CHRIS
  176. Maths

    If x(x+i)+y(y+i)-14(8+i)=0, find x and y.

    asked by CHRIS
  177. Algebra

    P dollars is invested at annual interest rate r for 1year If the interest is compounded semiannually then the polynomial P(1+r/2)^2 represents the value of the investment after 1 year. rewrite the expressions without parentheses evaluate the polynomial if

    asked by Tracy
  178. Algebra 2

    Can you please explain how to set up the equation? A city council is proposing a new skyline ordinance. It would require the setback S for any building from the residence to be a minimum of 100 feet, plus an additional 6 feet for each foot of height above

    asked by Serena
  179. Physis

    Difference between position and distance

    asked by Emma
  180. Chemistry

    How do I determine which atom in a molecule would be the strongest base? Thanks

    asked by Anon
  181. Maths

    Suppose x,y,p and q are real numbers and the inverse element for multiplication of the complex number x+yi is 5-11i. If (5-11i)^2 * (x+yi)^3 = p+qi, the value of p+q can be expressed as a/b. What is the value of a and b?

    asked by CHRIS
  182. Materials Science

    A long 0.6 m OD ANSI 347 stainless steel (use k=15.8 W/mK) cylindrical billet at 290 degrees C is placed into cooling chamber where the temperature is 30 degrees C. If the average heat transfer coefficient is 170 W/m^2K, estimate the time in minutes

    asked by KK
  183. BIO/SCIENCE

    If the axo-membrane becomes more permeable to potassium ions.. Which onewould be true? A. the inside of the membrane will become more positively charged. B. the membrane will depolarize rapidly. C. it will take a stimulus of larger magnitude to initiate an

    asked by Talan HELP PLEASE
  184. Physics

    After a day of testing race cars, you decide to take your own 1532.6 kg car onto the test track. While moving down the track at 13.5 m/s, you suddenly accelerate to 32.8 m/s in 11 s. What average net force have you applied to the car during that time?

    asked by Harmonie Sky
  185. physics

    A computer is reading data from a rotating CD-ROM. At a point that is 0.0316 m from the center of the disk, the centripetal acceleration is 282 m/s2. What is the centripetal acceleration at a point that is 0.0636 m from the center of the disc?

    asked by Anonymous
  186. Statistics

    Find the 99% confidence interval for the difference between two means based on this information about two samples. Assume independent samples from normal populations. (Use conservative degrees of freedom.) (Give your answers correct to two decimal places.)

    asked by Casey
  187. MATHEMATICS

    3 CUPS OF CHOCOLATE MIX MAKE 18 CAKES OF THE SAME SIZE HOW MANY CUPS OF CHOCOLATE MIX WOULD YOU NEED TO MAKE 72 SIMILAR CAKES

    asked by KARISSA
  188. English

    Would this analogy A? I: me:: A. you: your B. him: them C. blue: purple D. she her

    asked by Kari
  189. Chemistry,Math

    Thank you tutors!!

    asked by Anonymous
  190. English

    Would this analogy be C? correct me if im wrong rail: tie:: A. sonnet: poem B. house: foundation C. coat: cap D. locomotive: train

    asked by Kari
  191. math

    I am trying to help my grandson with a fraction problem, Mary has 12 marbles 3/12 are yellow,2/12 are blue and the rest are green, I need to explain how many of them are green where he will understand

    asked by Gloria
  192. English

    Would this analogy be A? correct me if im wrong pen: writer:: A. paint: artist B. bricks: mason C. warm: how D. chisel: sculptor

    asked by Kari
  193. scial studies

    In countries that are predominantly Muslim, the

    asked by Lisa
  194. critical thinking

    how do you write in journal format?

    asked by Pearl
  195. science

    urgent- A 2200kg truck accelerates at 15m/s2(squared). What is the net force on the truck? What is the acceleration of the truck?

    asked by E
  196. English

    Would this analogy D? I: me:: A. you: your B. him: them C. blue: purple D. she her

    asked by Kari
  197. AP Chemistry

    write an oxidation- reduction reaction for the reactants OCl- and S2O3-2

    asked by Anonymous
  198. English

    Would this analogy be D? correct me if im wrong pen: writer:: A. paint: artist B. bricks: mason C. warm: how D. chisel: sculptor

    asked by Kari
  199. math

    How is testing a conjecture like finding a statement true or false? How is it different?

    asked by hi
  200. algebra 1

    write the equation in standard form. Y + 1 = X + 2

    asked by A
  201. math

    taxi charges 3.00 plus 75 cents per mile . hOW FAR CAN YOU TRAVEL FOR 12.00

    asked by syd
  202. Algebra

    I have two questions dealing with financial polynomials. $6780 compounding 2.5%interest once a year yields? in interest 5760 compounding 3.5 interest once a year yields? in interest

    asked by Tracy
  203. English

    Would this analogy be B? correct me if im wrong rail: tie:: A. sonnet: poem B. house: foundation C. coat: cap D. locomotive: train

    asked by Kari
  204. Biology

    What would happen if you ran the same sample of DNA as your first experiment but used different primers?

    asked by Help please!
  205. Maths

    z=x(1-i)+24(-2+i) , x is a real number. if z^2 is a negative real number what is x?

    asked by CHRIS
  206. English

    Using the words engendered, embellished, enigmas, antagonism, obliterate, ardent put them in the correct order in these sentences. Correct me if im wrong!! :)) A. When Veronica talked with Max, she knew that Betty had EMBELLISHED the story of their first

    asked by Kari
  207. English

    1. The teacher's ____ made her an ideal judge at the tryouts. disinterest,dissent,disavowal,disagreement 2. My ___ with the class was due to the poor grade I received. disrespect, disavowal, discontent, disbelief 3. I sense your ___ with the project, but

    asked by Hayley
  208. English

    We heard tommy's loud drumming clearly despite the _______ of the elementary school band practice. A. Esprit B. Concordance C. Animadversion

    asked by Charles
  209. English

    Which word should be used? The most dissatisfied citizens were we/us residents of the Tremont neighborhood.

    asked by Kelley
  210. Earth Science (Geography)

    In what way can the soils, geology and slopes affect river flow?

    asked by Faith