1. economics

    During the Enlightenment, the City of Calgary had a more-or-less free market in taxi services. Any respectable rm could provide taxi service as long as the drivers and cabs satis ed certain safety standards. Let us suppose that the constant marginal cost

    asked by AAAAAA on October 22, 2014
  2. math

    Assuming boy and girl babies are equally likely, find the probability that it would take a) at least three births to obtain two girls b) at least four births to obtain two girls c) at least five births to obtain two girls

    asked by Andrew on November 15, 2012
  3. math

    Assuming boy and girl babies are equally likely, find the probability that it would take a) at least three births to obtain two girls b) at least four births to obtain two girls c) at least five births to obtain two girls

    asked by Andrew on November 16, 2012
  4. Math

    In aclass of 100 students the average mark in math paper is 60.the average mark for the top 30 students is 80.find the average mark for the remainning 70 students.

    asked by Kemigisha on September 18, 2016
  5. Grammatical Errors

    Please check to see if I have made any grammatical errors or if my sentence structure is off on the paper below: Running Head: MARKETING MIX PROJECT Marketing Mix Project Natashia Johnson Keiser University MARKETING MIX PROJECT Marketing Mix Project I

    asked by Natashia on July 23, 2013
  6. physics

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

    asked by Anonymous on March 12, 2013
  7. english

    We have to find the right linking verb. 1.) It was she/her who was the director. She 2.) The owner of the recording equipment was me/I. I 3.) The engineer helping with the recording was her/she. She 4.) The person testing how the microphone sounded was

    asked by Ben on April 20, 2015
  8. English

    In which of the following sentences do you find a comma or commas used correctly? A. After a fire at their home, Carlie and her mother rented a house in Glendale, Arizona from November 14, 2007 to January 28, 2008. B. William of Orange, arrived in England

    asked by Anonymous on August 22, 2009
  9. Physics

    The ion source in a mass spectrometer produces both triply and quadruply ionized species, X3+ and X4+. The difference in mass between these species is too small to be detected. Both species are accelerated through the same electric potential difference,

    asked by Anonymous on March 26, 2013
  10. Chemistry

    I've figured out the Ea but I'm not sure how to find the kcal/mol The gas reaction N2O5 → 2NO2 + 1/2O2 follows the Arrhenius equation k = Ae(-Ea/RT) where R = 8.314 J K-1 mol-1 and 1 calorie = 4.184J. At the temperature T=273K, k = 3.46 x 10-5 s-1,

    asked by m on March 5, 2013
  11. physics

    The ion source in a mass spectrometer produces both triply and quadruply ionized species, X3+ and X4+. The difference in mass between these species is too small to be detected. Both species are accelerated through the same electric potential difference,

    asked by Anonymous on April 4, 2013
  12. Physics

    A 0.14 kg baseball is pitched at a speed of 35 m/s. If it is hit straight back at the pitcher with a force of 5400N exerted over a time interval of 1.0 millisecond, find: the distance that the baseball was in contact with the bat (hint, use d = Vave*t)

    asked by Louren on November 21, 2016
  13. Ohysics

    An airplane flying at 120km/h due west moves into a region where the wind is blowing at 40km/h due east. If the plane's original vecotr velocity is Vplane, what is the expression for the plane's resulting velocity in terms of Vplane. a. 1/3 >Vplane b.

    asked by Joel on September 19, 2010
  14. Civics

    which would you most likely find a smaller a smaller amount of in a governments budget than in a personal household budget? a. the percent of total income that goes towards national defense and health care b. the percentage of people affected by the budget

    asked by HELP(civics)!!!!!!!!! on June 8, 2016
  15. Physics

    The ion source in a mass spectrometer produces both triply and quadruply ionized species, X3+ and X4+. The difference in mass between these species is too small to be detected. Both species are accelerated through the same electric potential difference,

    asked by Anonymous on March 26, 2013
  16. Physic

    Ok so this question was posted before but I'm confused by the answer. The problem is: The two masses (m1 = 5.0 kg and m2 = 3.0 kg) in the Atwood's machine shown in Figure 10-23 are released from rest, with m1 at a height of 0.87 m above the floor. When m1

    asked by Kelsey on March 8, 2010
  17. bio 106

    Imagine that you are plant hunter embarking on a safari that takes you to the far reaches of your neighborhood supermarkets. In the aisles of your grocery store, see how many plants and plant products you can find to answer the following questions. Look

    asked by abdul on August 5, 2013
  18. PSYCHOLOGY HELP PLEASE!!

    Jeannie was a delightful little girl who made a remarkable change during adolescence. Her parents expected the usual teenage rebellion, but Jeannie had become dark and morose. Her skin had a deathly pallor, and she became very thin. They feared that she

    asked by Anonymous on December 5, 2011
  19. calculus2

    A manufacturer of corrugated metal roofing wants to produce panels that are u = 48 in. wide and 2 in. thick by processing flat sheets of metal as shown in the figure. The profile of the roofing takes the shape of a sine wave with equation y = sin(πx/12).

    asked by A on July 21, 2018
  20. science I NEED HELP....WORTH 45%OF MY GRADE

    wat is blasstoff like???? earth's orbit???????? wat do they do to stay healthy???? wat type of exercise do they do????? effect on weightlessness?????? atmosphere of the moon???? lunar soil and craters???? transportation on the moon???????? science

    asked by tita on March 8, 2007
  21. math

    jim has a box in the shape of a rectangular prism. The area of the base of the box is 48 square inches. The volume of the box is 144 cubic inches. Let h = the height of Jim's box. Write and solve an equation you can use to find the height of Jim's box.

    asked by haley on August 29, 2013
  22. Physics

    A woman on a bridge 91.1 m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 8.20 m more to travel before passing under the bridge. The stone

    asked by WR on September 1, 2013
  23. Physics

    A man drags a 71.5-kg crate across the floor at a constant velocity by pulling on a strap attached to the bottom of the crate. The crate is tilted 27.0° above the horizontal, and the strap is inclined 66.5° above the horizontal. The center of gravity of

    asked by Sam on October 29, 2012
  24. phys

    A woman on a bridge 84.7 m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 8.02 m more to travel before passing under the bridge. The stone

    asked by Emily on September 6, 2012
  25. physics

    A woman on a bridge 81.6 m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 9.13 m more to travel before passing under the bridge. The stone

    asked by louis aaaa on June 18, 2013
  26. physics

    A woman on a bridge 81.6 m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 9.13 m more to travel before passing under the bridge. The stone

    asked by louis aaaa on June 17, 2013
  27. Physics

    A box of mass 54.0 kg is sitting on a ramp which makes an angle of 37.0 degrees with respect to the horizontal. The coefficient of friction between the box and the ramp is 0.21. This box is connected by a massless string over a pulley at the top of the

    asked by Anonymous on March 24, 2014
  28. physics

    A helicopter rescues a trapped person of mass m = 67.0 kg from a flooded river by lifting the person vertically upward using a winch and rope. The person is pulled 13.0 m into the helicopter with a constant force that is 11% greater than the person's

    asked by joy on March 15, 2018
  29. Chemistry

    one morning you are given 3 test tubes of aqueous solutions of compound X: the "A" tube was set up as unsaturated, while "B" was set up as Saturated in a beaker, then poured of into the tube, and "C" was carefully set up as supersaturated. At lunchtime,

    asked by judy on May 5, 2013
  30. calculus

    Melissa wants to make a rectangular box with a square base and cover its top and bottom faces with velvet, which will cost her $3 per square inch, and the sides with silk, which will cost her $5 per square inch. The box should have a volume of 1600 cubic

    asked by judy on January 22, 2017
  31. English

    Help! I can't find any information on the origin of the idiom/expression: Put your foot in your mouth. Please help me! "put one`s foot in one`s mouth - get into trouble by saying something embarassing or rude My colleague put his foot in his mouth when he

    asked by Johnathan on February 25, 2007
  32. math

    Mrs leuenberger ran the same maraton but since her husband was hunting and she couldn't find a babysitter she had to carry her two daughter in her arms They weigh 40 pounds and 55 pounds Mrs Leuenberger weighs 145 pounds How much work pound did Mrs

    asked by sandy on October 25, 2009
  33. FINANCE SIMPLE INTEREST

    Quincy's property tax is $665 and is due on April 25. He does not pay until July 19. The county adds a penalty of 9.9% simple interest on unpaid tax. Find the penalty Quincy will pay. (Assume that there are 365 days in a year. Round to the nearest cent.)

    asked by URGENT PLEASE HELP on October 8, 2015
  34. math

    can someone help me with these math question?? Please? I would appreciate any help! Simplify #1 through 3. 1. 20/2 – 3^2 – (-2)^2 a. -3 b. 5 c. 16 d. 24 2. 3(x – 5) – (x + 2) a. 2x – 13 b. 3x – 13 c. 2x – 3 d. 2x – 17 3. (¾) / (2/5) a.

    asked by Abby on October 8, 2015
  35. Algebra

    1)Solve by factoring:5x^2=4-19x answer=-4,1/5 2)Which quadratic equation has roots 7 and -2/3? answer=A A.2x^2-11x-21=0 B.3x^2-19x-14=0 C.3x^2+23x+14=0 D.2x^2+11x-21=0 3)To solve 4x^2-28x+49=25 by using the square root property,you would first rewrite the

    asked by Marissa on August 12, 2007
  36. Physics

    PLEASE HELP WITH AS MANY AS POSSIBLE... I AM TERRIBLY CONFUSED. 1. A charge moves a distance of 1.7 cm in the direction of a uniform electric field having a magnitude of 200 N/C. The electrical potential energy of the charge decreases by 9.69095 × 10−19

    asked by Jonathan on February 16, 2010
  37. Algebra

    A ball is thrown from an initial height of 2 meters with an initial upward velocity of 25m/s. The ball's height h (in meters) after t seconds is given by the following. Find all values of t for which the ball's height is 12 meters. Round your answer(s) to

    asked by Anonymous on May 14, 2014
  38. Physics

    A 4.3 g dart is fired into a block of wood with a mass of 22.6 g. The wood block is initially at rest on a 1.4 m tall post. After the collision, the wood block and dart land 3.1 m from the base of the post. Find the initial speed of the dart.

    asked by Angela on October 24, 2012
  39. algebra 1

    A passenger plane and a jet leave att the same time from the same airport,traveling in opposite directions. The jet travels at twice the speed of the passenger plane. they are 2400 mi apart in 4 hours. Find the speed of the passenger plane and jet.

    asked by Victoria on October 15, 2012
  40. Physics

    A 4.5 g dart is fired into a block of wood with a mass of 23.8 g. The wood block is initially at rest on a 1.3 m tall post. After the collision, the wood block and dart land 3.6 m from the base of the post. Find the initial speed of the dart.

    asked by Steve on February 16, 2011
  41. Momentum

    A 4.4 g bullet is fired into a block of wood with a mass of 21.3 g. The wood block is initially at rest on a 1.3 m tall post. After the collision, the wood block and bullet land 2.4 m from the base of the post. Find the initial speed of the bullet.

    asked by Lui on May 16, 2012
  42. Physics

    A 3.5 g dart is fired into a block of wood with a mass of 22.8 g. The wood block is initially at rest on a 1.3 m tall post. After the collision, the wood block and dart land 2.6 m from the base of the post. Find the initial speed of the dart. m/s

    asked by Anonymous on October 29, 2014
  43. physics

    A spring has a force constant of 554.1 N/m. Find the potential energy stored in the spring when the spring is a) stretched 4.35 cm from equilibrium. Answer in units of J. b) compressed 2.98 cm from equilibrium. Answer in units of J. c) unstretched. Answer

    asked by a on February 24, 2016
  44. Physics

    A 4.1 g dart is fired into a block of wood with a mass of 20.2 g. The wood block is initially at rest on a 1.2 m tall post. After the collision, the wood block and dart land 2.6 m from the base of the post. Find the initial speed of the dart.

    asked by Betty on February 28, 2015
  45. geometry

    find the slope of a line that passes through the following points. (4,5) and (3,0) using the perpendicular and parallel slopes write slope intercept form equations for both perpendicular and parallel lines all perpendicular lines pass through the

    asked by da on December 7, 2015
  46. Physics

    A 4.3 g dart is fired into a block of wood with a mass of 22.6 g. The wood block is initially at rest on a 1.4 m tall post. After the collision, the wood block and dart land 3.1 m from the base of the post. Find the initial speed of the dart.

    asked by Angela on October 24, 2012
  47. MATH

    A random sample of size 81 has sample mean 20 and sample standard deviation 3. (a) Is it appropriate to use a Student’s t distribution to compute a confidence interval for the population mean μ? Explain. (b) Find a 95% confidence interval for μ. (c)

    asked by Anonymous on April 4, 2019
  48. algebra (23)

    How do you set up this problem? A boater travels 16 miles per hour on the water on a still day. During one particular windy day, he finds that he travels 48 miles with the wind behind him in the same amount of time that he travels 16 miles into the wind.

    asked by Anita on November 9, 2007
  49. Algebra

    The function p(d)=1+d/33 gives the pressure, in atmospheres (atm), at a depth d in the sea (d is in feet). Note that p(0)=1 atm, p(33)=2, and so on. Find the pressure at 100 feet. The pressure at 100 feet is ___? atm. (Type an integer or a simplified

    asked by Studet5 on February 7, 2014
  50. Physics

    A boater wants to head straight across a river that has a current of 3km/hr. If the top speed of the boat in still water is 4km/hr, find the direction the boat must travel into the current to go straight across the river. How fast is the boat going

    asked by Megan on October 6, 2012
  51. Please proof read using commas

    I use a computer for producing final drafts but I can't actually write on it. I turn it on listen to it boot up put my fingers on the keyboard and the.....nothing. On the other hand writing on paper makes me feel as if I can conquer the whole world. When I

    asked by Rahul on March 7, 2011
  52. Geography

    I have to use the given hints to find out what country they're talking about in each hint. 3. "Travled south and arrived today in the town associated closely with Hans Christian Andersen. Weather a bit rainy here, but we're having too much fun to care!" I

    asked by mysterychicken on October 11, 2009
  53. Basic economic True or False questions?

    UGHHHHH I CANNOT FIND THESE ANSWERS ANYWHERE DD; 1. On an economic supply and demand graph, consumer surplus is always located above the demand curve. True or false? 2. Wealth is destroyed when socially optimal products are created. True or false? 3. A

    asked by Ruth Li on July 23, 2009
  54. physics

    A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 49.0 . The acceleration period lasts for time 6.00 until the fuel is exhausted. After that, the rocket is in free fall. Find the maximum height

    asked by Anonymous on September 8, 2011
  55. math

    Pairs of markings, a set distance apart, are made on highways so that the police can detect drivers exceeding the speed limit. Over a fixed distance, the speed R varies inversely with the time T. For one particular pair of markings, R is 35mph when T is 6

    asked by kayla on July 24, 2015
  56. Psychology

    This is a homework assignment for my Psychology course on Memory and learning. Find a Movie/video clip (1-3 mins)that demonstrate a concept / phenomenom relevant to learning and memory? My prof used Matrix (what we see is just our neuron firing) and Bourne

    asked by Erica on March 12, 2009
  57. Physics

    For a question in physics... I was told to draw a graph of vertical displacement, y, versus time, t, in 2sec increments from 0 to 1.8. What was given to me was: v_yo_= +10m/s v_xo_= +5m/s a_y_ = -10m/s^2 So I used the formula: y=vo+1/2at^2 I drew the

    asked by Jenny on October 1, 2007
  58. PHYSICS

    Hi! Thank you for your help~ I am working on a problem about electric fields. There is a rod along the x axis from -3m to 3m with a lambda linear density of 12 x10^-9 c/m. I am supposed to find the electric field on the y axis at y = 0.2m . If you could

    asked by THANK YOU on February 6, 2011
  59. math 208

    The table lists the price P of a first-class postage stamp for selected year’s t. t 1963 1975 1987 2002 2007 p $.05 $.13 $.25 $.37 $.41 (a) Find the slope of each line segment connecting consecutive data points in the table. Can these data be modeled

    asked by lanie on February 27, 2012
  60. Math

    A lottery has a grand prize of $180,000, two runner-up prizes of $22,500 each, eleven third-place prizes of $3600 each, and fourteen consolation prizes of $450 each. If 720,000 tickets are sold for $1 each and the probability of any one ticket winning is

    asked by Cecylia on March 5, 2010
  61. physics

    A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 29.4 . The acceleration period lasts for time 9.00 until the fuel is exhausted. After that, the rocket is in free fall. Find the maximum height

    asked by ahhhh! on May 25, 2011
  62. physics

    The speed of a wave in a string is given by v = sqrt (FT/m), where FT is the tension in the string and m = mass / length of the string. A 2.00 m long string has a mass of 28.50 g. A 1024 g mass is attached to the string and hung over a pulley (see

    asked by Idali on April 13, 2017
  63. algebra

    can someone please help me with my algebra i got this as a answer and i don't know if its right. N(t)= -3t^3 + 23t^2 + 8t a. Rewrite the formula by factoring the right-hand side completely. N(t)= -3t^3 + 23t^2 + 8t N(t)= (-t)(3t^2 - 23t - 8) N(t)=

    asked by samuala on July 31, 2010
  64. physics

    The speed of a wave in a string is given by v = sqrt (FT/m), where FT is the tension in the string and m = mass / length of the string. A 2.00 m long string has a mass of 28.50 g. A 1024 g mass is attached to the string and hung over a pulley (see

    asked by Idali on April 18, 2017
  65. physics

    The speed of a wave in a string is given by v = sqrt (FT/m), where FT is the tension in the string and m = mass / length of the string. A 2.00 m long string has a mass of 28.50 g. A 1024 g mass is attached to the string and hung over a pulley (see

    asked by Idali on April 16, 2017
  66. calculus

    an amount of 1000 is deposited in a bank that pays 8% interest/year compounded daily (take the number of days in a year to be 365) let an denote the total amount on deposit after n days, assuming no deposits or withdrawals are made during the period in

    asked by sofi on May 20, 2012
  67. physics

    Hi! Thank you for your help~ I am working on a problem about electric fields. There is a rod along the x axis from -3m to 3m with a lambda linear density of 12 x10^-9 c/m. I am supposed to find the electric field on the y axis at y = 0.2m . I know that I

    asked by APpreciative Student on February 6, 2011
  68. physics

    A dock worker loading crates on a ship finds that a 29 kg crate, initially at rest on a horizontal surface, requires a 90 N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 60 N is required to keep it

    asked by sam on December 3, 2013
  69. Physics

    A block of mass 0.40 kg rests on the inclined surface of a wedge of mass 7.0 kg. The wedge is acted on by a horizontal force F with arrow and slides on a frictionless surface. a)If the coefficient of static friction between the wedge and the block is µs =

    asked by John Smith on October 17, 2014
  70. physics

    A dock worker loading crates on a ship finds that a 29 kg crate, initially at rest on a horizontal surface, requires a 90 N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 60 N is required to keep it

    asked by sam on December 3, 2013
  71. research writing as a process

    Question 1 What is one of the first steps in a research project? to think about the purpose of the research project. to consult a writing center tutor to formulate a thesis statement to find all the research you'll need Question 2 Which of the following is

    asked by christopher on April 28, 2010
  72. Calculus

    A rectangular page is to contain 8 square inches of print. The margins at the top and bottom of the page are to be 2 inches wide. The margins on each side are to be 1 inch wide. Find the dimensions of the page that will minimize the amount of paper used.

    asked by Bianca on May 7, 2017
  73. physics

    Suppose you are asked to find the area of a rectangle that is 2.1- wide by 5.6- long. Your calculator answer would be 11.76 . Now suppose you are asked to enter the answer to two significant figures. (Note that if you do not round your answer to two

    asked by Parish on September 7, 2011
  74. maths

    a wholesellor allows a discount of 20% on the list price to a retailor . the retailor sells at 5% discount on the list price . if a customer paid ruppes38 for an article , what profit is made by the retailor ? find also the retailor's percentage profit for

    asked by tina !!! help me please on June 29, 2013
  75. math

    Brick Thickness Experiment Thickness (layers) 2 4 6 8 Breaking Weight (pennies)15 30 50 65 a. Plot the data. Draw the line for the data. b. Find an equation for the line you drew c. Use your equation to predict the breaking weights of paper brideges 3,5

    asked by Jean on September 4, 2007
  76. College Algebra

    The parking lot is 25 by 40 feet. The owner wants to enlage the parking lot by paving an equal width strip on the north side and east side of the lot, sot hat the new lot will be twice the area of the old one. Find the equation which has as a root the

    asked by Jorge on May 2, 2012
  77. Geometry

    #4 Which could be the scale factor of the following similar figures? (1 point) The first triangle's sides are 9,9,12 The second triangles sides are 6,6,8 A.) 2/3 B.) 3/4 C.) 1 D.) 3/2 E.) 4/3 My answers: b & c _______________________________ #5 The

    asked by Patty on March 15, 2016
  78. Physics

    Hey I'm not sure how to solve this problem: An 1840 kg car is moving to the right at a constant velocity of 2.94 m/s. What's the netforce? What's the netforce if the car would be moving to the left? I'm thinking that the net force going right and the net

    asked by Robert on September 16, 2008
  79. Physics

    The 3.0 -diameter water line in the figure splits into two 1.0 -diameter pipes. All pipes are circular and at the same elevation. At point A, the water speed is 2.0 and the gauge pressure is 50 .What is the gauge pressure at point B? I know we have to find

    asked by Eliz on April 12, 2011
  80. chemistry

    How would you find the empirical formula for this... a substance was found by analysis to contain 20% by mass calcium and 80% by mass bromine. Would it be CaBr2? This is what I did... 50g Ca * 20 mol Ca/801.56g Ca = .499 mol Ca 80g Br * 80 mol Br/6392.32g

    asked by Jamie Marie on October 29, 2009
  81. Trig

    A railroad tunnel is shaped like a semiellipse as shown below. A semiellipse is shown on the coordinate plane with vertices on the x axis and one point of intersection with the positive y axis. The height of the tunnel at the center is 27 ft and the

    asked by Lisa on September 27, 2014
  82. Calculus

    A farmer wants to build a rectangular pen and then divide it with two interior fences. The total area is to be 2484ft^2. The exterior fence costs $18.00 per foot and the interior fence costs $16.50 per foot. Find the dimensions of the pen that will

    asked by Catie on July 15, 2012
  83. Physics

    The 3.0 -diameter water line in the figure splits into two 1.0 -diameter pipes. All pipes are circular and at the same elevation. At point A, the water speed is 2.0 and the gauge pressure is 50 .What is the gauge pressure at point B? I know we have to find

    asked by Eliz on April 12, 2011
  84. Physics

    Two objects x and y with a total mass od 2.5 x 10^3 kg are joined together in outer space and are at rest. An astronaut in a space shuttle presses a button that is explosive and separates the two objects from each other. X moves to the right with a

    asked by Xanther on August 8, 2011
  85. math

    Amount of an investment. The amount of an investment of P dollars for t years at simple interest rate r is given by A  P  Prt. a) Rewrite this formula by factoring out the greatest common factor on the right-hand side. b) Find A if $8300 is invested for

    asked by naine on September 5, 2010
  86. Pre-Calculus

    Please check my answer: I think it's correct? 1.Find polar form of (-3,2) r=sqrt of (-3)^2 + 2^2)=sqrt (13) = 3.61 tan^-1(2/-3) = 33.79 180-33.79 = 146.31degrees polar points are (sqrt13,146.31degrees) 2. Rectangular form of (3,112degrees) 3cos112= (-1.12)

    asked by Courtney on October 13, 2011
  87. Precalculus

    A pole sits on top of a tall building an observer on ground 17 m away from building finds the angle of elevation to the base of the pole to be 30 degrees and the angle of elevation to top of pole to be 45 degree. Find height of pole to nearest tenth. Draw

    asked by Zack on August 8, 2018
  88. Chemistry

    Suppose you are asked to find the area of a rectangle that is 2.1- wide by 5.6- long. Your calculator answer would be 11.76 . Now suppose you are asked to enter the answer to two significant figures. (Note that if you do not round your answer to two

    asked by Annie on September 27, 2012
  89. Math - Stats

    An experiment was conducted where rats could choose to enter one of two corridors, A or B. A random sample of three rats is selected. Let x = number of rats that select corridor B. Assuming the rats select their favorite corridor independently of one

    asked by Ryan on September 26, 2011
  90. chemistry

    CaSiO3(s) +6 HF (g)-> CaF2(aq) + SiF4 (g) + 3 H2O(l) If a 65.6 g sample of CaSiO3 is reacted in an inert 83 L container at 25.5°C with HF at 1.00 atm pressure find the following. a. the mass of water, and CaF2 produced in the reaction and the mass of HF

    asked by joe on March 15, 2015
  91. physics

    I need to find the coefficient of the kinetic friction of the following: "a block weighing 300 newtons is moved at a constant speed over a horizontal surface be a force of 50 newtons applied parallel to the surface" would I do the following? k =

    asked by eric on February 18, 2014
  92. Math Calculus

    A sphere is initially measured as having a radius of 4 inches. A subsequent measurement shows that the radius is really 3.99. Find (a) the actual difference in volume between the initial measurement and the correction, and (b) the difference as estimated

    asked by Megan on July 8, 2011
  93. Calc 1 (Optomization)

    A rectangular storage container with an open top is to have a volume of k cubic meters. The length of its base is twice its width. The material for the base costs $6 per square meters and the material for the sides costs $10 per square meter. Find the

    asked by Nick on April 6, 2012
  94. Algebra

    Hopelessly loss in New Joisey If Anyone can help me I greatly appericate it. Anyone know how do we find the greatest common factor of a polynomial? Can you give me an example, showing your work. 2.When finding the greatest common factor of a polynomial,

    asked by JERSEYGIRL on December 6, 2011
  95. math

    An investor purchases 75 shares at 37.90 a share, holds the stock for 150 days, and then sells the stock for 41.20 a share. Find the annual interest rate earned. principal under 3000 3000-10,000 over 10,000 commission 32+1.8% of principal 56+1% of

    asked by Tiffany on March 1, 2013
  96. Math

    The maximum horizontal range of a projectile is given by the formula R=u^2/g, where u is the initial velocity and g is the acceleration due to gravity. Find the velocity with which a ball can be thrown to have a maximum range of 20 meters when the

    asked by John Dosley on September 18, 2016
  97. Math

    Determine the number of triangles that could be drawn with the given measure. Then, find the measures of the other angles and the other side in each possible triangle. Round side lengths to the nearest tenth of a unit and angle measure to the nearest tenth

    asked by Han on June 9, 2014
  98. chemistry

    CaSiO3(s) +6 HF (g)-> CaF2(aq) + SiF4 (g) + 3 H2O(l) If a 65.6 g sample of CaSiO3 is reacted in an inert 83 L container at 25.5°C with HF at 1.00 atm pressure find the following. a. the mass of water, and CaF2 produced in the reaction and the mass of HF

    asked by Val22 on March 15, 2015
  99. Math please help

    Celeste is making fruit baskets for her service club to take to a local hospital. The directions say to fill the boxes using 5 apples for every 6 oranges. Celeste is filling her baskets with 2 apples for every 3 oranges. Complete the tables to find

    asked by Matt on September 19, 2016
  100. College Physics

    2 questions: a)Assuming that water has a density of exactly 1 g/cm3 (cubed), find the mass of one cubic meter of water in kilograms. b)Suppose that it takes 10 hours to drain a container of 5700m3 (cubed) of water. What is the "mass flow rate," in

    asked by Frank on August 22, 2010

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