Questions Asked on
June 7, 2013

  1. physics

    A car starts 200 m west of the town square and moves with a constant velocity of 15 m/s toward the east. a.Write the equation that represents the motion of the car. b.Where will the car be 10 minutes later? c.When will the car reach the town square?

    asked by Shelly
  2. Calculus

    The demand function for Sportsman 5 X 7 tents is given by the following function where p is measured in dollars and x is measured in units of a thousand. (Round your answers to three decimal places.) p = f(x) = -0.1x^2 - x + 40 (a) Find the average rate of

    asked by Shan
  3. math

    We did not find results for: High temperatures in a certain city for the month of August follow a uniform distribution over the interval 69*F to 87*F. what is the probability that a randomly selected August day has a high temperature that exceeded 74*F?.

    asked by Latesha
  4. Calculus

    Under a set of controlled laboratory conditions, the size of the population of a certain bacteria culture at time t (in minutes) is described by the following function. P = f(t) = 3t^2 + 2t + 1 Find the rate of population growth at t = 10 min. bacteria per

    asked by Tee
  5. Calculus

    Use the four-step process to find the slope of the tangent line to the graph of the given function at any point. f(x) = 16 - 10 x Step 2: f(x + h) - f(x) = Step 4: f'(x) = lim(h->0)(f(x + h)- f(x))/h =

    asked by Shan
  6. physics

    1. A car is coasting backwards downhill at a speed of 3.0 m/s when the driver gets the engine started. After 2.5 s, the car is moving uphill at 4.5 m/s. Assuming that uphill is positive direction, what is the car’s average acceleration?

    asked by asa
  7. Math

    800 people will attend a concert if tickets cost $20 each. Attendance will decrease by 30 people for each $1 increase in the price. The concert promoters need to make a minimum of $12 800. What is the range of ticket prices the concert promoters can charge

    asked by Hanu
  8. Calculus

    The concentration of a certain drug (in mg/cm3) in a patient's bloodstream t hr after injection is given by the following function. C(t) = (0.6 t)/(t^2 + 5) Evaluate the limit. (If an answer does not exist, enter DNE.)

    asked by Shan
  9. math check

    The survival rate during a risky operation for patients with no other hope of survival is 87%. What is the probability that exactly four of the next five patients survive this operation? (Give your answer correct to three decimal places.) I got 3.48

    asked by Gayle 58
  10. Homework

    1. What economic, social, and political forces have made employee training even more important today than it was in the past?

    asked by Anonymous
  11. Accounting

    Effect of Stock Split Gino's Restaurant Corporation wholesales ovens and ranges to restaurants throughout the Midwest. Gino's Restaurant Corporation, which had 100,000 shares of common stock outstanding, declared a 5-for-1 stock split (4 additional shares

    asked by Shan
  12. physics numeral

    A person rows his boat in stream with a speed of 2.0 m/s.Water in the stream is flowing perpendicular to the direction of flow,find graphically his resultant velocity.

    asked by rahul
  13. Math30-1

    Your search for a researcher has determined that an equation that models the height of a particular species of tree is y=20.2log(x), where y is height in metres and x is time in years. Predict the height of the tree after 30years and predict how old the

    asked by dano
  14. physics numeral

    An object of mass of 0.5 kg is whirled at the end of a string 0.8 m long.If the string makes three revolutions in 1.2 s,find the tension in the string.

    asked by rahul
  15. Statistics(math)

    (20.47 S-AQ) A sample survey interviews an SRS of 252 college women. Suppose (as is roughly true) that 71% of all college women have been on a diet within the past 12 months. Using Normal approximation, what is the probability (±0.001) that 77% or more of

    asked by Kelsey
  16. Grammar (Writeacher)

    Rewrite the sentences below, inserting commas where they are needed. If no comma is needed, write "correct." 1. You won't be disappointed nor will you ever forget your visit. My revision of this sentence is the following: 1. Correct.

    asked by Anonymous
  17. physics

    Two identical twins, Amy and Beatrice, are on top of two different slides, one on each slide. Both slides start 3 m above the ground and end 0.5 m above the ground. Amy's slide is a straight, 45 degree slide with height given by h=−x+3 (so it starts at

    asked by keshav
  18. math

    Paul Warren is a self-employed mechanic. Last year he had total gross earnings of $44,260. What are Paul’s quarterly social security payments due to the IRS?

    asked by keionna
  19. math check

    x is a binomial random variable. (Give your answers correct to three decimal places.) (e) Calculate the probability of x for: n = 3, x = 1, p = 0.45 P(x) = .I got 0.41 (f) Calculate the probability of x for: n = 6, x = 6, p = 0.25 P(x) = I got 1.50

    asked by Gayle 57
  20. math

    A single card is selected from an ordinary deck of cards. The sample space is shown in the figure below. Find the probabilities. (Enter the probabilities as fractions.) (a) P(two of diamonds) 1 (b) P(two) 2 (c) P(diamond) 3

    asked by Jean Claude
  21. Math

    1. Find the sum of the first 21 terms of the arithmetic sequence given by the formula an = n+5 I see that I have to plug in numbers and get the terms...but i'm sure there's a shorter way to do this instead of plugging in 21 numbers. 2. The following

    asked by mysterychicken
  22. Chemistry HELP!!

    Estimate the difference in energy produced when we burn 1kg of carbon vs producing nuclear energy from 1kg of U-235. C + O2(g) -> CO2(g)

    asked by Timofey
  23. statistics

    Use the list and calculation method to answer the following questions. Show your work at each step. 4. You draw three cards (with replacement) from a standard deck of cards. What is the probability that a. exactly one will be red: .125 + .125 + .125 = .375

    asked by Lynn
  24. Business Math

    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 taxes

    asked by Taylor
  25. statistics

    3. A couple is planning on having four children. Assume that the probabilities of the man fathering a boy or a girl are .50 and .50, respectively. What is the probability that a. exactly two will be boys, b. fewer than two will be boys, and c. more than

    asked by Lynn
  26. Calculus

    Complete the table by computing f(x) at the given values of x. (Round your answers to three decimal places.) f(x) = 2x^2 - 7 x 6.9 6.99 6.999 7.001 7.01 7.1 Use these results to estimate the indicated limit (if it exists). (If an answer does not exist,

    asked by Shan
  27. Physics

    A block measuring 0.1m x 0.4m x 1.5m has a mass of 30kg. Calculate the pressure in each position and state in which position will the block produce greatest and least pressure on the ground.

    asked by OHara
  28. physics

    a large bus and a van, both moving with a velocity of magnitude v, have a head-on-collision and both the vehicles stop after the collision. if the time of the collision is 1 sec then, a) which vehicle experiences smaller force of impact? b) which vehicle

    asked by h
  29. math algebra

    Find 3 consecutive odd numbers where the product of the smaller two numbers is 34 less than the square of the largest number.

    asked by Anonymous
  30. Chemistry

    Consider a solution containing 4.35 mM of an analyte, X, and 1.09 mM of a standard, S. Upon chromatographic separation of the solution peak areas for X and S are 3251 and 10075, respectively. Determine the response factor for X relative to S. F=? To

    asked by ScienceGeek
  31. Physics

    A car of mass 550kg accelerates steadily from rest to 25m/s in 30s. a). What is its acceleration? b). What resultant force produces this acceleration? c). The actual force will be greater, why?

    asked by OHara
  32. Maths

    If a rectangular prism sides are increased by 2,3,4 cm to make a cube and the difference in the volume of the rectangular prism and the cube is 827cm3, what are the original dimensions of the rectangular prism?

    asked by Susi
  33. math

    Home health signed a 90,000 note at 11 1/2% simple interest for 180 days for electronic equipment, on October 1. On February 18, the note was sold to another firm at a discount rate of 12 1/2%. Find a) the discount period, b) the discount, and c) the

    asked by Jan
  34. Calculus

    A major corporation is building a 4325 acre complex of homes, offices, stores, schools, and churches in the rural community of Glen Cove. As a result of this development, the planners have estimated that Glen Clove's population (in thousands) t yr from now

    asked by Shan
  35. math

    Norma borrowed $1,800 at an annual interest rate of 11% for three months. How much interest did she pay on the loan?

    asked by naisa
  36. Physics

    1. A train traveling at a speed of 110km/h decelerates for 20 seconds. During that time it travels 450 meters. A) What is the acceleration? = m/s^2 B) What is its speed after deceleration? = km/h Initial velocity (u) = 110km/h Time (t) = 20s Distance =

    asked by Danny
  37. physics

    two cars weighing 1500 kg are made to collide with a wall.the initial and final velocities are 15 m/s and 2.6 m/s.if the collision last for 0.15 seconds,then find impulsive force exerted on the car

    asked by za
  38. Calculus

    Use the intermediate value theorem to find the value of c such that f(c) = M. f(x) = x^2 - x + 1 text( on ) [-1,12]; M = 21

    asked by Tee
  39. English

    I've been trying to find answers to there for a long time but I can't. Any help would be appreciated. Its about to kill a mockingbird 1) Why were Jem and Scout's schedules so different? 2) How dies Scout feel about the Radley place now? 3) What did Scout

    asked by Unimportant
  40. physics

    A 0.5 kg mass is moving in a circle of radius 1.8 m on a flat frictionless table at the end of a string. The speed of the mass is 2.6 m/s. The string routes through a hole in the center of the table and is held by you underneath the table. What is the

    asked by Anonymous
  41. Engineering

    A 10.0 Kg block is released from point A in the figure below. The block travels along a smooth frictionless track. It makes a collision with stationary 10 kg ball. The ball moves forward with speed of 2 m/s. a) What is the speed of the block at point C? b)

    asked by Ahmed
  42. Life orientation

    In 10-15 lines critically discuss 5 ways in which the human or environmental problem impact on the community.provide relevant sources

    asked by Thulisile
  43. Chemistry- Dr Bob

    Dr Bob Can you please assist Redox balancing in BASIC sol. NO2- +Al-->NH3 +Al(OH)4- if you could please walk through step by step. I don't know how to get oxidation #s for Al(OH)4- vs. Al I get Al=0 Al(OH)4-= +3 But if so...then my oxidation half reaction

    asked by Steve
  44. Calculus

    Find the indicated limit given the following. lim_(x->a)f(x) = 8 lim_(x->a)(2f(x)) =

    asked by Shan
  45. Physics

    A 0.5 kg mass is moving in a circle of radius 1.8 m on a flat frictionless table at the end of a string. The speed of the mass is 2.6 m/s. The string routes through a hole in the center of the table and is held by you underneath the table. A.) What is the

    asked by Dusty
  46. Grammar (Writeacher)

    Copy the items below, adding exclamation marks as needed. Then, label each item an exclamatory sentence, an imperative sentence, or an interjection. 1. I hate being lost in a desert 2. I want water 3. Yippee It's going to rain. 4. Oh, no It's a flash flood

    asked by Anonymous
  47. English

    1. My goal is to read 100 books this year. 2. My goal is reading 100 books this year. (Are both grammatical? Which one is commonly used?)

    asked by rfvv
  48. Math

    The question is that the length of a rectangle is 15 and its width is w. The perimeter of the rectangle,at most,50. Which inequality can be used to find the longest possible width? A. 30+2wor=50 so I did L=15 p=2(15)+2w

    asked by Gail
  49. Math

    I need some help with these quesitons 1. a1 = -1, and an = 4/3an-1 for n = 2, 3, 4, ___. What is the common ration, r, for this sequence? 2. A rubber ball is dropped from a height of 50 ft. Assume that each bounce of the ball is vertical and that each

    asked by mysterychicken
  50. Accounting

    EPS Malen Arts, Inc., had earnings of $133,750 for 2012. The company had 25,000 shares of common stock outstanding during the year. In addition, the company issued 10,000 shares of $100 par value preferred stock on January 3, 2012. The preferred stock has

    asked by Shan
  51. Accounting

    Entries for Stock Dividends Organic Life Co. is an HMO for businesses in the Portland area. The following account balances appear on the balance sheet of Organic Life Co.: Common stock (250,000 shares authorized), $125 par, $17,500,000; Paid-In Capital in

    asked by Anonymous
  52. algebra

    Let D = {(a,b,2a): a,b all real numbers} The set of vectors in R^3 with last entry twice the first. E = span{(1,0,2),(2,-1,4),(0,-3,0)} Prove that D = E I first made an augmented matrix to find out that there is a free variable of x3. Showing that there is

    asked by Daniel
  53. Physics - force and pressure

    A force of 2000N acts on an area of 4m^2, what is the pressure? What would be the pressure if the same force acted on half the area?

    asked by OHara
  54. Algebra

    Four numbers have a total of 92. The first number is twice the second number and the third is 4 more than the sum if the first two. The fourth number is 3 less than the difference of the first two numbers. What are the numbers?

    asked by Shepp
  55. chemistry

    what does 1M solution of sugar stands for?

    asked by edward
  56. German!!!

    Der Drucker gehört ____ Frau.? die der das dem i feel like it's die but i don't want to get tricked. it could also be 'der'. which one is it? :(

    asked by bubbie
  57. Biology

    Explain how life on earth is dependent on both polarity of covalent chemical bonds and hydrogen bonding.

    asked by frank
  58. English

    1. Would you like to go to the movie? 2. Would you like to go to the movies? (Are both grammatical? Do we have to use only 'the plural form, movies'?)

    asked by rfvv
  59. Calculus

    I'm trying to find the radius of convergence for $(x-2)^n/(2x+1) I did the ratio test and ended up with: absolute value[(x-2)/(2x+1)]

    asked by Steven
  60. business math

    1. Natureland Garden Center buys lawn mowers that list for $679.95 less a 30% trade discount. What is the dollar amount of the trade discount?

    asked by douny
  61. Grammar

    Solution-dependence-alternative (find) Answer:alternative and dependence Resources-technology-stocks(deplete) Answer:Resources and stocks Now is it correct ??

    asked by Maryam
  62. Grammar (Ms. Sue)

    Copy the items below, adding exclamation marks as needed. Then, label each item an exclamatory sentence, an imperative sentence, or an interjection. 1. I hate being lost in a desert 2. I want water 3. Yippee It's going to rain. 4. Oh, no It's a flash flood

    asked by Anonymous
  63. Math

    1. Determine the formula for the nth term of the following sequence: 6, 14, 22, 30, 38, 46, ... I got an = 8n - 2 Is that right? 2. The following statement is true by mathematical induction: (4/3)^n > n for all n > or equal to 6 True? 3. To find the 6th

    asked by mysterychicken
  64. Calculus

    Find the indicated limit. lim_(x->-63.5)(root3(2x + 2))

    asked by Shan
  65. Calculus

    Find the indicated limit given the following. lim_(x->a)f(x)= 10 and lim_(x->a)g(x) = 12 lim_(x->a)(f(x)*g(x)) =

    asked by Shan
  66. Calculus

    Find the slope m of the tangent line to the graph of the function at the given point and determine an equation of the tangent line. f(x) = 15/(4 x) at (1,(15/4) m = y =

    asked by Shan
  67. Employment Law (HRM300)

    I am having trouble finding Court Case Influential to Establishment of Law for: The Equal Pay Act Age Discrimination in Employment Act(1967) Civil Rights Act of 1991 Family and Medical Leave Act of 1993 Privacy Act of 1974 I have found cases that involve

    asked by Ashley
  68. math

    . Fran Mallory is married, claims five withholding allowances, and earns $3,500 (gross) per month. In addition to Federal income tax (FIT), social security, and Medicare withholding, Fran pays 2.1% state income tax, and ½% for state disability insurance

    asked by keionna
  69. check math problem

    (c) The number of cars found to have unsafe tires among the 379 cars stopped at a roadblock for inspection (assume that 15% of all cars have one or more unsafe tires). (i) Find the mean. (Give your answer correct to one decimal place.) 56.85. (ii) Find the

    asked by tommy512
  70. physics

    Workers who wash windows or paint the outside of buildings use an interesting contraption known as a painter's lift. This consists of a harness that the worker wears suspended by a rope. The rope runs through a pulley mounted on the roof of the building

    asked by keshav
  71. math

    Find the sum of all positive integers m such that 2^m can be expressed as sums of four factorials (of positive integers).

    asked by raja harishchandra
  72. math

    For a positive integer x, let f(x) be the function which returns the number of distinct positive factors of x. If p is a prime number, what is the minimum possible value of f(75p^2)?

    asked by raja harishchandra
  73. math help mepls

    Triangle ABC has an obtuse angle at B, base BC has length equal to 30 and height equal to 24. (This height is taken with respect to base BC). D is a point on the line segment BC and E is a point on AC such that DE∥AB. F is a point on AB such that

    asked by clavin
  74. Grammar

    1)upward 2)growing 3)recent (Problem) Recent and growing 1)steady 2)severe 3)reliable. (Supply) Steady and reliable 1)available 2)increasing 3)public. (Concern) Public and increasing 1)immediate 2)effective 3)sufficient. (Solution) Immediate and effective

    asked by Maryam
  75. business english

    Dot planning is: A. a role that individuals play in the group process. B. a type of peer pressure. C. a decision making strategy. D. a stage in the life of a task group.

    asked by Anonymous
  76. Grammar

    Development-environment-figures. (Recent) Answer:environment and figures Situation-quantity-interest. (Sufficient ) Answer:quantity and interest Now is it correct ??

    asked by Maryam
  77. Highschool English/Business

    I created a student blog about Information Technology and I would like your feedback. Feel free to post a comment on the blog if you like. Thanks! theprodigy101 . edublogs . org Please share with others!

    asked by Anonymous
  78. German

    Das Geschäft (is able to) _____ die Türen nicht aufmachen. darf wollen kann kannst i know this is kann or kannst, but i don't know which. :(

    asked by bubbie
  79. Math

    1. One of the formulas for finding the partial sum of an arithmetic sequence is Sn = n(a1 + an) True 2. The value of a probability must be in the interval [0, 1]? True

    asked by mysterychicken
  80. physics

    We are doing the force table lab in class and now we are calculating the f equilibran and the equilibrant angle. I had no time graphing a solution and came up with the right answers by measuring, but we are also suppose to do it purely mathematically and I

    asked by Pat
  81. math

    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 taxes

    asked by keionna
  82. German

    Ich mag ____ Arzt. kein ein i removed the other two answers and narrowed it down to these two. :) im not sure which one it is, however.

    asked by bubbie
  83. science

    a bowling ball with a mass of 10 kg and a bowling pin with a mass of 0.5kg, are standing 2m apart, from centre to centre. what is the force of attraction between the bowling ball and the pin

    asked by wendy Thomas
  84. math check

    Posted by Nora 56 on Sunday, June 2, 2013 at 7:32pm. Sorry to repost but no one answered after I posted on the 2nd,please help, Suppose that you are in a class of 31 students and it is assumed that approximately 13% of the population is left-handed. (Give

    asked by Nora 56
  85. German

    Grosse Männer müssen ______ öfter rasieren als Jungs. sie sich es ihn

    asked by bubbie
  86. math

    Chef Fabio went to the store and bought 2 cans of beans, 2 cans of tomatoes, and 2 cans of tuna, all of which were the same shape and size. On his way home, it rained hard and the labels became soaked and fell off the cans. He wants to make a dish using

    asked by parishi
  87. Physics

    A student of mass 75kg stands in a lift, what is the normal reaction force(upward force) on him when the lift is accelerating: a). Upwards at 0.65m/s^2 ? b). Downwards at 0.65m/s^2 ?

    asked by OHara
  88. math

    The feet of two building of height 30miter amd 70meter are on the same horizontal line with a hole on the ground.The smaller building being between the taller one and the hole is 200meter the angle of elevation of the top of the taller building from the

    asked by zahradeen ogah
  89. physics

    Workers who wash windows or paint the outside of buildings use an interesting contraption known as a painter's lift. This consists of a harness that the worker wears suspended by a rope. The rope runs through a pulley mounted on the roof of the building

    asked by jiskha
  90. business math

    3. Fantasia Florist Shop purchases an order of imported roses with a list price of $2,375 less trade discounts of 15/20/20. What is the dollar amount of the trade discount? (Points : 2.5)

    asked by douny
  91. business math

    5. What is the net price factor for trade discounts of 25/15/10? (Points : 2.5)

    asked by douny
  92. science

    which sample (salt,fertilizer and sulfuric acid) will have the most algae growth? and why ? which sample (salt,fertilizer and sulfuric acid)will have the most living organisms ? and why?

    asked by john
  93. chemistry

    The components of a 11.0 mg sample are sufficiently separated by a chromatographic column that is 1.4 cm in diameter and 50 cm long with a flow rate of 0.57 mL/min. In order to separate 271 mg of the sample with similar separation of the components. What

    asked by poptheweasel
  94. english

    When writing a short story should a pronoun be given in the first person

    asked by Anonymous
  95. Math

    Can you check my work? If Angelona's weekly allowance is d dollars, which Expression represents her allowance, in Dollars, for x weeks? A. Dx B. 7dx C. X+7d D.d/x So d = allowance X=week D goes up per x So my answer is A. Dx Is this correct? Thanks for

    asked by Es
  96. maths

    For how many ordered pairs of positive integers n and k with n and k less than or equal to 20, is the number ((2n)!(2k)!) / (n!k!(n+k)!) an integer?

    asked by keshav
  97. French

    which sentence is written properly, "L'herbe est verte" or "L'herbe est vert?"

    asked by Anonymous
  98. heeeeeelp math

    is a point outside of circle Γ. The tangent from P to Γ touches at A. A line from P intersects Γ at B and C such that ∠ACP=120 ∘. If AC=16 and AP=19, then the radius of Γ

    asked by clavin
  99. pls heeelp math

    For each positive integer n, let H _{n} = 1/1 +1/2 +⋯+ 1/n sum_{n=4}^{∞} 1/n*H_{n}*H_{n-1}=a/b for relatively prime positive integers a and b, find a+b

    asked by mathslover
  100. chemistry

    1.what is the advantage of heating gellium semi-conductor with sites or gold instruct of indium and boron? 2.why co-ordination number of 12 is not found in ionic crystals? 3.what kind of symmetry is exhibited by a match box?

    asked by edward
  101. Math

    1. Find the area of the following triangle: c = 210 ft, A = 42.5 degrees, B = 71.4 degrees All I know is C will be 66.1 degrees...

    asked by mysterychicken
  102. math

    The integers from 1 through 10 (inclusive) are divided into three groups, each containing at least one number. These groups satisfy the additional property that if x is in a group and 2x≤10, then 2x is in the same group. How many different ways are there

    asked by raja harishchandra
  103. pls heeeeelp math

    The integers from 1 through 10 (inclusive) are divided into three groups, each containing at least one number. These groups satisfy the additional property that if x is in a group and 2x≤10, then 2x is in the same group. How many different ways are there

    asked by clavin
  104. heeeeeeelp math

    P is a point outside of circle Γ. The tangent from P to Γ touches at A. A line from P intersects Γ at B and C such that ∠ACP=120 ∘. If AC=16 and AP=19, then the radius of Γ can be written as a root b/c where a and c are co prime and c is not

    asked by clavin
  105. math

    -2x(-9-8x^4)

    asked by Anonymous