Questions Asked on
June 22, 2013

  1. statistics

    The customer bills in a family restaurant are normally distributed. The bills mean is $28 and has a standard deviation of $6. a. Identify what the random variable you are measuring is in this problem. b. What is the probability that a randomly selected

    asked by James
  2. math

    a sum of Rs.8000 generates Rs.1261 as compounded interest in 03 years interest compounded annually. The rate of compound interest is

    asked by Anonymous
  3. Physics

    A cook puts 7.20 g of water in a 2.00-L pressure cooker that is then warmed to 530°C. What is the pressure inside the container? (Assume room temperature is 20°C.)

    asked by Josie
  4. Accounting

    Zeke Company is a manufacturing company that has worked on several production jobs during the 1st quarter of the year. Below is a list of all the jobs for the quarter: Balance Job 356 $ 450 Job 357 $1,235 Job 358 $ 378 Job 359 $ 689 Job 360 $ 456 Job 356,

    asked by Anonymous
  5. Math

    Molly Ellen, bookkeeper for Keystone Company, forgot to send in the payroll taxes due on April 18. She sent the payment November 8. The IRS sent her a penalty charge of 8% simple interest on the unpaid taxes of $5,900. Calculate the penalty. (Remember that

    asked by Lulu
  6. Calculus 2

    A tank is full of water. Find the work W required to pump the water out of the spout. (Use 9.8 for g and 3.14 for π. If you enter your answer in scientific notation, round the decimal value to two decimal places. Use equivalent rounding if you do not

    asked by Liz
  7. Algebra 2

    y varies jointly as x and z, and y=98/3 when x=2 ans z=7. Find y when x=7 and z=3. Options: A: y=7/3xz; 49 B: y=6/7xz; 18 C: y=14/3xz; 98 D: y=3/7xz; 9

    asked by Stacie
  8. business

    Catherine borrowed $19,000 on June 20, at 10% interest. If the loan was due on September 17, what was the amount of interest on the loan using the exact interest method? (Round to the nearest cent) (Points : 2) $500.01 $273.06 $463.00 $463.29

    asked by Anonymous
  9. Physics

    A seesaw is 4 meters long and is pivoted in the middle. There is a 350 N child on the left end. Where will a 540 N person have to sit to balance the seesaw?

    asked by Ann
  10. Math (Geometric Progression)

    5 distinct positive reals form an arithmetic progression. The 1st, 2nd and 5th term form a geometric progression. If the product of these 5 numbers is 124 4/9, what is the product of the 3 terms of the geometric progression? Note: The phrase "form an

    asked by Shin
  11. Physics

    A block of mass m1 is on top of a block of mass m2. Block 2 is connected by an ideal rope passing through a pulley to a block of unknown mass m3 as shown. The pulley is massless and frictionless. There is friction between block 1 and 2 and between the

    asked by XYZ
  12. business math

    . Pamela Mello is paid on an incremental commission schedule. She is paid 2.6% on the first $60,000 and 3.4% on any sales over $60,000. If her weekly sales volume was $89,400, what was her total commission? (Points : 3)

    asked by douny
  13. math

    Varsity Press, a publisher of college textbooks, received a $70,000 promissory note at 12% ordinary interest for 60 days from one of its customers, Reader’s Choice Bookstores. After 20 days, Varsity Press discounted the note at the Grove Isle Bank at a

    asked by brad
  14. Math

    The image of the public library is constantly changing, and their online services continue to grow. Usage of the library's home page grew by 17% during the past 12 months. It has been estimated that the current average length of a visit to the library's

    asked by JACKIE
  15. math help

    Sorry if this has been posted twice, but we have tried this numerous times and can not work it. Due in the morning. Suppose that a hypothesis test is to be carried out by using á = 0.05. What is the probability of committing a type I error? (Give your

    asked by JACKIE
  16. math

    You are the accountant for Suite Dreams, a retail furniture store. Recently, an order of sofas and chairs was received from the manufacturer with terms of 3/15, n/45. The order amounted to $230,000, and Suite Dreams can borrow money at 13% ordinary

    asked by brad
  17. math

    How large a sample should be taken if the population mean is to be estimated with 95% confidence to within $75? The population has a standard deviation of $898. (Round you answer up to the nearest whole number

    asked by Tommy8
  18. physics

    Two construction workers each of mass m raise themselves on a hanging platform using pulleys as shown above. If the platform has a mass of 0.5m, the initial distance between the pulleys and the platform is d, and the workers each pull with a force f on the

    asked by XYZ
  19. chemistry

    Calcium oxide and carbon are reacted to produce carbon monoxide and calcium carbide CaC2. When one mole of calcium carbide is formed, 464.8kJ is absorbed. Write a thermochemical equation for this reaction.

    asked by Jill
  20. phyisics

    If approximately 70% of the Earth's surface is covered with water, what is the order of magnitude for the number of raindrops in the world's oceans?

    asked by shyam
  21. physics

    A 2.0-m-tall, 30-cm-diameter concrete column supports a 3.0×105kg load. By how much is the column compressed (in mm) ?

    asked by Kate
  22. chemistry

    Calcium oxide and carbon are reacted to produce carbon monoxide and calcium carbide CaC2. When one mole of calcium carbide is formed, 464.8kJ is absorbed. What is the enthlapy of reaction when 1.00g of calcium carbide is formed?

    asked by Jill
  23. chemistry

    Calcium oxide and carbon are reacted to produce carbon monoxide and calcium carbide CaC2. When one mole of calcium carbide is formed, 464.8kJ is absorbed. How many grams of carbon are used up when 20.00kJ of heat is absorbed?

    asked by Jill
  24. physics

    Noah wants to swim across a river 10 m wide, flowing from north to south. He swims so his velocity with respect to the river is 2 m/s due east, and the river moves at 4 m/s. How far downstream in m from his starting point will he reach the other side?

    asked by raja harishchandra
  25. statistics

    What is your conclusion based on the following data? A survey was conducted to study the effects of weight loss from a low fat diet. Two random samples of 100 people each were selected. One group was put on the low fat diet and the other group on the

    asked by jerry
  26. Math (Trigonometry [Polar Form])

    Let z be a complex number such that z = 2(cos 8∘ + i cos 82∘).Then z^5 can be expressed as r(sin α∘+ i cos α∘), where r is a real number and 0 ≤ α ≤ 90. What is the value of r+α? Hint to solve: Example Question: Let z be a complex number

    asked by Shin
  27. math check

    Consider the approximately normal population of heights of male college students with mean ì = 69 inches and standard deviation of ó = 4.6 inches. A random sample of 25 heights is obtained. (b) Find the proportion of male college students whose height is

    asked by Tommy7
  28. Algebra 2

    y varies jointly as x and z, and y=98/3 when x=2 ans z=7. Find y when x=7 and z=3. Options: A: y=7/3xz; 49 B: y=6/7xz; 18 C: y=14/3xz; 98 D: y=3/7xz; 9

    asked by Stacie
  29. Accounting

    During the period, labor costs incurred on account amounted to $250,000 including $200,000 for production orders and $50,000 for general factory use. In addition, factory overhead applied to production was $23,000. From the following, select the entry to

    asked by Anonymous
  30. math help

    Consider the following. (Give your answers correct to four decimal places.) (a) Determine the level of confidence given the confidence coefficient z(á/2) for z(á/2) = 1.65. Incorrect: Your answer is incorrect. . (b) Determine the level of confidence

    asked by Tommy8
  31. maths

    In an urn, there are several colored balls, with equal numbers of each color. We add 14 balls which are all of the same new color, that is different from those in the urn. It is calculated that the probability of drawing, without replacement, two balls of

    asked by Anonymous
  32. Math

    Carol Miller went to Europe and forgot to pay her $820 mortgage payment on her New Hampshire ski house. For her 52 days overdue on her payment, the bank charged her a penalty of $23. (assume 360 days). What was the rate of interest charged by the bank?

    asked by Jena
  33. math

    Katie Chalmers borrowed money from her credit union at 13.2% simple interest to buy furniture. If the loan was repaid in 2½ years and the amount of interest was $1,320, how much did Katie borrow?

    asked by Beth
  34. Physics

    A 2.60-mol sample of oxygen gas is confined to a 5.03-L vessel at a pressure of 7.95 atm. Find the average translational kinetic energy of the oxygen molecules under these conditions.

    asked by Josie
  35. physics

    Noah wants to swim across a river 10 m wide, flowing from north to south. He swims so his velocity with respect to the river is 2 m/s due east, and the river moves at 4 m/s. How far downstream in m from his starting point will he reach the other side?

    asked by raja harishchandra
  36. math

    Alicia Eastman deposited $2,000 in a savings account at the Biltmore Bank paying 6% ordinary interest. How many years will it take for her investment to amount to $2,600?

    asked by Tom
  37. Stats

    1. In a study of caffeine and stress, college students indicate how many cups of coffee they drink per day and their stress level on a scale of 1-10. The data appear below. Number of Cups of Coffee Stress Level 3 5 2 3 4 3 6 9 5 4 1 2 7 10 3 5 = 3.88 X=

    asked by Dee
  38. intro to chemistry

    . Nitrogen is unique in that it forms no fewer than seven molecular oxides. The one of highest molar mass is dinitrogen pentoxide, N 2 O 5 , a crystalline, colorless solid made by the reaction of nitric acid (HNO 3 ) with P 4 O 10 . HNO 3 ( l ) + P 4 O 10

    asked by Anonymous
  39. statistic of behavioral science

    for each of the following, identify the exam score that should lead to the better grade. In each case, explain your answer. A score of x=56, on an exam with the mean =50 and the standard deviation of 4; or a score of x=60 on an exam with the mean=50 and

    asked by Janice
  40. math help

    Please help me on these I have lost the tables that I would need to answer them or at least the ones I think are used. Consider the following. (Give your answers correct to four decimal places.) (a) Determine the level of confidence given the confidence

    asked by Tommy7
  41. Math

    Find the equation of normal to the curve 3x^2 - y^2 =8 which is parallel to the line x + 3y =4.

    asked by Chockalingam
  42. Physics

    A tie bar is made of a material having a tensile strength of 231MPa and has to carry a load of 225kN. What is the diameter of the bar if a factor of safety of 7 is applied? Where do I begin?

    asked by Danny
  43. Business math

    Compute the rate for the following loan. Round your answer to the nearest tenth of a percent. Principal $50,000 Rate (%) Time 9 months Interest $4,500

    asked by Tee
  44. Business Math

    Abe Wolf bought a new kitchen set at Sears. Abe paid off the loan after 64 days with an interest charge of $12. If Sears charges 9% interest. What did Abe pay for the kitchen set (assume 360 days

    asked by Anna
  45. math stats

    Set up the null and alternative hypothesis for the following problem. A survey reported the planning habits of men and women. The question asked, "how do you primarily keep track of meetings, appointments and deadlines?" 56% of men and 46% of women

    asked by jerry
  46. Math Algebra 1A

    How do you type the time measured in years when it involve the year 1995?

    asked by Kim
  47. chemistry

    balance the equations 1)Mg3N2+N2+H2O=Mg(OH)2+NH3 2)KMnO4+H2S+H2SO4=KHSO4+H2O+MnSO4 3)AS2O3+SnCl2+HCL=SnCl4+AS+H2O

    asked by vishal
  48. math

    11. Universal Exporting has three warehouse employees: John Abner earns $422 per week, Anne Clark earns $510 per week, and Todd Corbin earns $695 per week. The company’s SUTA tax rate is 5.4%, and the FUTA rate is 6.2% minus the SUTA. As usual, these

    asked by douny
  49. plsheeeeeeeeeeelp math

    Find the largest possible number of distinct integer values {x_1,x_2,…,x_n}, such that for a fixed reducible degree 4 polynomial with integer coefficients, |f(x_i)| is prime for all i?

    asked by lin
  50. maths

    How many ways are there to write 2000 as the sum of powers of 2 with non-negative exponents, where each power is used at most twice?

    asked by Anonymous
  51. Physics

    What is the factor of safety of a steel hanger having an ultimate strength of 550.000MPa and supporting a load of 64000.000N. The steel hanger in question has a cross sectional area of 7.600cm^2 ANS= Round to 3 decimal places Safety factor = design load/

    asked by Danny
  52. statistics

    How is the P-value used to determine whether or not to reject the null hypothesis?

    asked by jerry
  53. statistics

    A store manager claims that the average age of his customers is less than 40 years old, while the industry average is 40 years old. He asks you to test his thinking. You collect a sample of 50 customers and found that the average age is 38.7. Assuming that

    asked by jerry
  54. statistics

    Set up the null and alternative hypothesis for the following problem. A survey reported the planning habits of men and women. The question asked, "how do you primarily keep track of meetings, appointments and deadlines?" 56% of men and 46% of women

    asked by jerry
  55. Ethics/323

    How should I start my paper?

    asked by Kimberley
  56. Networking

    how many broadcast domains are present in a network with three switches and three routers

    asked by Cisco
  57. Physics

    What is the factor of safety of a steel hanger having an ultimate strength of 550.000MPa and supporting a load of 64000.000N. The steel hanger in question has a cross sectional area of 7.600cm^2 ANS= Round to 3 decimal places Safety factor = design load/

    asked by Danny
  58. world geography

    1. When Australia became the federated Commonwealth of Australia in 1901, Sydney and Melbourne competed to be the capital city. A compromise was reached and _______ became the federal capital in 1928. A. Canberra B. Brisbane C. Adelaide D. Sydney 2.

    asked by SUB-SAHARAN AFRICA, AUSTRALIA,OCEANIA, AND ANTARTI
  59. Precal

    Please help. I'm having a lot of trouble with solving inequalities and graphing them solve the inequality and graph the solution on the real number line x^2+x-6/x I got SS: -infinity to -3 including -3 union -2 to infinity including -2 is that right?

    asked by Abi
  60. bio chemistry

    Relate membranes to energy metabolism, redox reactions, and ATP synthesis in both eukaryotic and prokaryotic cells.

    asked by Anonymous
  61. math help and check

    Consider the following. (Give your answers correct to two decimal places.) (a) Determine the value of the confidence coefficient z(á/2) for 1 - á = 0.87. .44 my answer (b) Determine the value of the confidence coefficient z(á/2) for 1 - á = 0.91. .45

    asked by Tommy7
  62. math

    Consider the following. (Give your answers correct to four decimal places.) (a) Determine the level of confidence given the confidence coefficient z(á/2) for z(á/2) = 1.65. Incorrect: Your answer is incorrect. . (b) Determine the level of confidence

    asked by JACKIE
  63. Math (Trigonometry)

    θ is an acute angle such that tan(θ)=1/4. What is the value of 17√17*(sinθ+cosθ)?

    asked by Shin
  64. Statistics

    There were two independent groups who took a school course by different modes. The first sample of students took the course in the online and the second sample took the course in the conventional face to face mode. Using the sample data determine if there

    asked by Leah
  65. maths

    The number (27+200^1/2)^1/2 can be simplified to the form a+b√, where a and b are positive integers. Find the product ab.

    asked by raja harishchandra
  66. chemistry

    what is evidnece that cathode rays are part of matter?

    asked by vishal
  67. math help

    Consider the following. (Give your answers correct to two decimal places.) (a) Determine the value of the confidence coefficient z(á/2) for 1 - á = 0.87. (b) Determine the value of the confidence coefficient z(á/2) for 1 - á = 0.91. can someone just

    asked by Tommy8
  68. math check

    Consider the following set of data. Pairs 1 2 3 4 5 Sample A 2 8 7 9 2 Sample B 7 8 1 1 8 Find the standard deviation sd of the paired differences. (Give your answer correct to two decimal places.) My answer was 5.00.

    asked by Tommy8
  69. math

    Euromart Tile Company borrowed $40,000 on April 6 for 66 days. The rate was 14% using the ordinary interest rate method. On day 25 of the loan, Euromart made a partial payment of $15,000, and on day 45 of the loan, Euromart made a second partial payment of

    asked by brad
  70. Science

    A picture os the salor sysmty

    asked by Alice
  71. Accounting

    prepare the necessary journal entries to clear the intangible asset account for separate intangible assets, other types of assets,and expenses indicated by the transactions

    asked by Anonymous
  72. Math

    If P^2 - 0.037 = 0; Find the value of P.

    asked by Chockalingam
  73. statistics

    Calculate p ̅. x1 20 n1 50 x2 55 n2 100

    asked by jerry
  74. Chem

    Which element from Groups 8 through 10 is used to separate H2 from other gases?

    asked by Anonymous
  75. English

    How to use a Buffer in a sentence, foe delivering bad news?

    asked by Linda
  76. math stats

    Calculate p ̅. x1 20 n1 50 x2 55 n2 100

    asked by jerry
  77. Math

    I am a morethan of 30 but less than 35 I am multiple of 2 the sum of my digit is 7? Who am i

    asked by Stephanie
  78. math

    what numbers simplify in to 7

    asked by jodie
  79. algebra

    Let U = {1, 2, 3, 4, 5, 6, 7}, A = {1, 2, 3, 4}, B = {1, 2, 5, 6}, and C = {3, 5, 7}. List all the members of the given set. (Enter your answers as a comma-separated list.)

    asked by dani
  80. Algebra

    A line passes through the points (-10, -4) and (-1, 2). What is the slope of the line that passes through the two points? I keep getting lost in the middle.

    asked by Korie
  81. chemistry

    calculate the equilibrium vapor pressure of napthalene of c10h8 innthe flask at 35 degrees celsius?

    asked by Anonymous
  82. physics

    Optical fibers are devices used for guiding light in many applications, most notably for fast communication. A fiber consists of a glass cylinder surrounded by a wall covered in a special coating. The fibers work on a principle called total internal

    asked by anonymous
  83. chemistry

    1)why bohr orbit are called stationary orbit? 2)what do you mean by saying energy of electron is quantised?

    asked by vishal
  84. chemistry

    1)why bohr orbit are called stationary orbit? 2)what do you mean by saying energy of electron is quantised?

    asked by vishal
  85. English

    1. I won the piano contest. 2. I got the piano contest. 3. I won first place in the piano contest. 4. I got first place in the piano contest. (Are they all grammatical? Are they the same?)

    asked by rfvv
  86. Psychology

    Please help me: explain why individualistic and collectivistic cultures differ in their tendency to make the fundamental attribution error in. Please 80 to 100 words, Thank you in advance.

    asked by Anonymous
  87. maths

    The number (27+200^1/2)^1/2 can be simplified to the form a+b√, where a and b are positive integers. Find the product ab.

    asked by raja harishchandra