1. Physics

    A long jumper approaches his takeoff board A with a horizontal velocity of 30ft/s. Find the vertical component (vy) of the velocity of his center of gravity at takeoff for him to make the jump if he lands at a spot 22ft from point A. What is the vertical

    asked by Fred on October 4, 2009
  2. Physics

    Consider a modified Atwood machine, with a mass sitting on an inclined plane connected by a string which stretches over a pulley connected to a hanging mass. Friction is ignored. Draw a free body diagram for both blocks. Apply Newton's second law to both

    asked by carolyn on February 3, 2015
  3. geometry

    A segment that is a units long makes a C-degree angle with a segment that is b units long. In terms of a, b, and C, find the third side of the triangle defined by this SAS description. You have done numerical versions of this question. Start by finding the

    asked by sally on April 11, 2010
  4. physics

    find the location of the center of mass of the following 3 mass system. mass location m1=1.0kg (0,0) m2=2.0kg (1.0m,1.0m) m3=3.0kg (2.0m,-2.0m)

    asked by WyeCee Bhitoo on September 27, 2017
  5. geometry

    if the measure of angle A = 70 degrees & the measure of angle B = 25 degrees, find the measure for angle C in the traingle of ABC

    asked by Joe on January 12, 2011
  6. math

    find the equation of a line that is parallel to the line x= -1 and contains the point (-7,5) the equation of the parallel line is ? *type an equation*

    asked by anonymous on January 1, 2013
  7. algebra

    The length of a rectangle is 4 in. more than twice its width. If the perimeter of the rectangle is 32 in., find the width of the rectangle let x = width length is then 2x+4 so 2(2x+4)+2x=32 Solve for x 4x + 8 +2x = 32 6x=24 x=4 thanks

    asked by veronica on June 5, 2007
  8. math

    show that the triangle with verticies A(8,5) B(1,-2) C(-3,2) is a right triangle, and find its area. the answer to the area is : 28. please show me how to show its a right triangle, thanks!

    asked by alex on August 13, 2012
  9. Math

    1.find x and y if 3 raise to the power 2x-y equals 1 and 16 raise to the power x divided by 4 equals 8 raise to the power 3x-y 2. solve 2x-3y 2=x 2y-5=3x y?

    asked by poppy on April 29, 2019
  10. geometry

    If the slope of a line is 5/3 and a point on the line is (57,12) using the given point and the slope find the coordinates of the lattice point on the line?

    asked by sue on September 13, 2011
  11. Math

    1)The sum of a number and 17 more than twice the same number is 101. Find the number. 17+2n=101 17-17 101-17 2n=84 n=42(answer) 2)Evaluate: 5-/a+5b/ if a=-12 and b=2. 5-/-12+5(2)/ 5-/-12+10/ 5-/-2/ 5-2 3(answer)

    asked by Jon on February 24, 2008
  12. math

    If alfa and bita are the zeroes of x square plus px plus of then find the value of alfa divids bita plus 2 whole bita divids alfa plus 2?

    asked by Dwithun Basumatary on June 26, 2013
  13. Math

    Find how many quarts of 4% butterfat milk and 1% butterfat milk should be mixed to yield 90 quarts of 2 % butterfat milk.

    asked by Ryan on January 6, 2013
  14. geometry

    Find m

    asked by Sharon on October 10, 2010
  15. math

    A rectangular box open at the top has a square base. The internal side of the base is x cm long and the total internal surface area of the box is 432cm2. Express in terms of x. (i) the internal height h, of the box; (ii) the internal volume V, of the box.

    asked by kd on October 31, 2018
  16. Algebra

    Is this right? Examine the rise in gasoline prices from 1997 to 2006. The price of regular unleaded gasoline price in January 1997 was $1.26 and in January 2006 was $2.31 (Bureau of Labor Statistics, 2006). Use the coordinates (1997, 1.26) and (2006, 2.31)

    asked by A.W. on March 1, 2009
  17. Algebra

    Is this right? Examine the rise in gasoline prices from 1997 to 2006. The price of regular unleaded gasoline price in January 1997 was $1.26 and in January 2006 was $2.31 (Bureau of Labor Statistics, 2006). Use the coordinates (1997, 1.26) and (2006, 2.31)

    asked by A.W. on March 1, 2009
  18. math

    In 1920 the record for a certain race was 46.6 sec. In 1950 it was 46.0 sec. let r(t)= the record in the race and t= the number of years since 1920. (a) find a linear function that fits the data r(t)= (round to the nearest hundredth) (b)use the function in

    asked by billy on November 2, 2008
  19. statistics

    The tires are also tested for failure during a road test where they are subjected to road hazards. A test of 600 tires resulted in the failure of 30 tires. a) Find a 95% confidence interval on the proportion of failures for the new formula of of rubber. b)

    asked by ree on December 16, 2012
  20. algebra

    A family has a coin jar that is now full. The children count the change and calculate the total value to be $29.42. Let Q represent the number of quarters and use the information below to find the number of each coin. There are: 138 more dimes than

    asked by Anonymous on April 11, 2016
  21. mathematics

    The given is, segment HE=2x segment OR=x+5.And find: segment HE.

    asked by jona may on November 10, 2014
  22. calculus

    If lim(f+g)=1 as x-->a and lim(f-g)=1 as x-->a find lim fg as x-->a

    asked by Marina on September 18, 2013
  23. math

    If cos A=3/5,cos B =4/5,find the value of cos(A-B)/2

    asked by eku on June 12, 2016
  24. math

    Find value of x for log1/2(x-1)+log1/2(x+1)-log1/√2(7-x)=1

    asked by prashik on July 22, 2016
  25. math algebra

    if f(x) = x+1/x^2-9 and g(x) = x/x-3, find a) the domain of f(x) b) the domain of g(x) c) (f+g) (x) d) the domain of (f+g) (x)

    asked by rita on November 19, 2016
  26. trig

    If tan(A+B) = 2 and tan B =1/3, find tan A

    asked by Rick on February 28, 2008
  27. Math

    if (a+b)squared=64, and ab=3, find a squared+ b squared

    asked by Rhonda on March 31, 2011
  28. help me math

    find 25% of 300 300 * 0.25 = 75 75 is 25% of 300.

    asked by halida on March 5, 2007
  29. Calculus

    If lim x→0 f(x)=3 and lim x→0 g(x)=1, then find lim x→0 (f(x)+g(x))^2 a) 40 b) -4 c) 16 d) 28

    asked by Alice on December 3, 2018
  30. Math

    Find the value of whole root of 6+root 6+root 6+....... .

    asked by Aakash on June 27, 2018
  31. maths

    if 5+root 3 ÷ 5-root 3 = a+b root 3 find the value of a and b

    asked by Aasher on June 24, 2016
  32. maths

    X having factor 2 and 30.30 having factor 3 and y and y is having factor 5 and z find x+y+z=----

    asked by sanjay on January 30, 2015
  33. math algebra

    if f(x) = x+1/x^2-9 and g(x) =x/x-3, find a) domain of f(x) b) domain of g (x) c) (f+g) (x) d) the domain of (f+g) (x)

    asked by laura on November 19, 2016
  34. Statistics and Probability

    The Tri-State Pick 3 lottery game offers a choice of several bets. You choosea three-digit number. The lottery commision announces the winning three-digit number, chosen at random, at the end of each day. The "box" pays $83.33 if the number you choose has

    asked by Laura on December 13, 2010
  35. physics

    Two horizontal turntables are in contact with each other at their outer edges, and the static friction between them allows them to turn together (in opposite directions) without slipping. Thelarger turntable has a radius of 0.36m, and the smaller turntable

    asked by ChrismB on May 16, 2016
  36. Calc

    I need help finding the correct formula after finding the doubling time and continuous percentage. I got the doubling time of 24 days and the continuous percentage of 2.89%. Homework asking use the doubling time to find the continuous percent growth rate

    asked by Larry on October 3, 2014
  37. microeconomics

    You are given the following information about the costs of a perfectly competitive firm. QuantityTFC TVC 0 45 0 1 45 20 2 45 35 3 45 45 4 45 75 5 45 120 6 45 180 You are hired to determine the profit-maximizing quantity of the firm for different market

    asked by Kathy on October 30, 2011
  38. PHYSICS

    A block of mass m = 0.889 kg is fastened to an unstrained horizontal spring whose spring constant is k = 89.4 N/m. The block is given a displacement of +0.128 m, where the + sign indicates that the displacement is along the +x axis, and then released from

    asked by Anonymous on November 17, 2015
  39. phyics

    A block of mass m = 0.510 kg is fastened to an unstrained horizontal spring whose spring constant is k = 85.3 N/m. The block is given a displacement of +0.112 m, where the + sign indicates that the displacement is along the +x axis, and then released from

    asked by MATT on November 12, 2013
  40. Physics

    A 0.500 kg bead slides on a straight frictionless wire with a velocity of 1.50 cm/s to the right. The bead collides elastically with a larger 0.750 kg bead initially at rest. After the collision, the smaller bead moves to the left with a velocity of 0.70

    asked by Wendell on January 7, 2015
  41. Arithmetic progression

    In a class test some of the answers obtained by Neha in mathematics and science is 28 had she got 3 more in maths is 4 marks class in Science the product of marks in obtained in 2 subjects would have been 180. find the marks obtained is 2 subjects

    asked by Smeta on January 14, 2017
  42. calc

    standard equations of circles that have centers on line 5x-2y=-21 and are tangent to both axis. Any ideas?? First express the line as in point slope form y=(5/2)x - 21/2 The center must be on the line, so it is a point expressed as (x,(5/2)x - 21/2) In

    asked by Melba on September 26, 2006
  43. Physic

    The concepts in this problem are similar to those in Multiple-Concept Example 4, except that the force doing the work in this problem is the tension in the cable. A rescue helicopter lifts a 75.4-kg person straight up by means of a cable. The person has an

    asked by Lena on March 5, 2015
  44. calculus

    Suppose that the number of bacteria in a plate of food is given by N(T)= 10T^2 - 40T + 200, -1

    asked by Anonymous on September 23, 2014
  45. ap chemistry

    A 4.47 g sample of a molecular compound is dissolved in 96 g of tetrachloromethane. The normal boiling point of the solution is 61.51 degrees celcius, the normal boiling point for CCl4 is 61.2 degrees celsius. The boiling point constant for CCl4 is

    asked by emily on October 30, 2012
  46. physics

    The figure below shows the speed of a person's body as he does a chin-up. Assume the motion is vertical and the mass of the person's body is 73.4 kg. Determine the force exerted by the chin-up bar on his body at the following times. t=0s, speed= 0cm per

    asked by Amber on October 10, 2010
  47. physics

    the number on the left is the displacement, on the right is the vector. The person travelling i order of the numbers ....not sure how to explain this because there are no instructions only a shart with the titles of the categories Steps, Displacement,

    asked by Kerri on September 10, 2009
  48. medical staff management

    i need help with the nurse midwife proctorship form: the direction are for the nurse midwife's proctorship form, list the procedures that will be reviewed by using privileges specific to the nurse midwife, that can be find at CNM's web site and in addition

    asked by patricia on November 20, 2009
  49. Math

    Someone answer all of this clearly, I don't get it at all. Suppose a ship is sailing at a rate of 35km/h parellel to a straight shoreline. The ship is 10km from shore when it passes a lighthouse at 11am. Question 6 options: a) Let k be the distance between

    asked by Chris on January 27, 2016
  50. Intermediate Algebra Word Problem

    A river's current is 4mph. A boat travels 48 miles downstream in the same time it travels 24 miles upstream. Find the speed of the boat. A) What does the variable stand for? x stands for the speed of the boat. B) Write the equation. 24/x - 4 = 48/x + 4 C)

    asked by Jennifer on February 11, 2009
  51. science

    Why is the earth round? Why is the water blue? Why doesn't the water fall off the earth? the earth is not perfectly round, water is blue because particles reflect blue light. The water cycle, type that in and google it to find out for yourself. I'd give u

    asked by yeri on September 20, 2006
  52. Math

    Martin is painting his house and needs to reach a point 9 feet above the ground. He places a 10.5-foot-long ladder against the house so that it forms an angle of with the ground. a. Describe the triangle that is formed by the ground, the house, and the

    asked by Tigerlilly on May 29, 2013
  53. calculus

    Suppose that the number of bacteria in a plate of food is given by N(T)= 10T^2 - 40T + 200, -1

    asked by Anonymous on September 23, 2014
  54. math

    A group of 148 people is spending five days at a summer camp. The cook ordered 12 pounds of food for each adult and 9 pounds of food for each child. A total of 1410 pounds of food was ordered. Write a system of equations that describes this situation, and

    asked by Linda on February 19, 2015
  55. Math

    Someone answer all of this clearly, I don't get it at all. Suppose a ship is sailing at a rate of 35km/h parellel to a straight shoreline. The ship is 10km from shore when it passes a lighthouse at 11am. Question 6 options: a) Let k be the distance between

    asked by Chris on January 26, 2016
  56. Calculus

    An OPEN box has a square base and a volume of 108 cubic inches and is constructed from a tin sheet. Find the dimensions of the box, assuming a minimum amount of material is used in it's construction. HINT: the goal is to minimize the surface are of the

    asked by Jennifer on May 14, 2013
  57. Honors Pre-Calculus

    It is known that when a car with wheels of radius 14 in. is driven at 35 mph, the wheels turn at an approximate rate of 420 revoulutions for minute. Show how to obtain this rate of turn. If you ride a bicycle a distance of 5 miles in 15 minutes at a

    asked by Anonymous on September 11, 2007
  58. Electrostatics

    A linear charge rho L = 2.0 uC lies on the y-z plane. Find the electric flux passing through the plane extending from 0 to 1.0m in the x direction and from -infinity to infinity in the y direction. Alright, so the formula to use is: flux =

    asked by Dan on February 28, 2008
  59. math...

    We had to find the surface area of various rectangular prisms. I did most of them easily, but there are two that I need a little help with... The first one is: The length is 13m The width is 5m The height is 4m So what is the surface area? The second one

    asked by Amy on May 7, 2007
  60. Physics

    The concepts in this problem are similar to those in Multiple-Concept Example 4, except that the force doing the work in this problem is the tension in the cable. A rescue helicopter lifts a 72.4-kg person straight up by means of a cable. The person has an

    asked by Randy on February 26, 2013
  61. History

    Why did John Wilkes Booth assassinate President Lincoln? A. Booth thought Lincoln was too easy on Southerners. B. Booth had lost is a series of slavery debates with Lincoln. C. Booth was angry about the Confederate defeat. D. Booth was a Confederate

    asked by Baby_Banana on March 22, 2018
  62. Enviormental Science ( Human Population)

    I need to find the missing word. An icrease in population could result from increased birth rate, increased __________, or immigration. Increased birthrates and immigration account for an increase in population. Decreased death rates also account for an

    asked by Mack on March 15, 2007
  63. Chemistry

    I need help on these three questions. For all three of them you're supposed to write a balanced equation for each neutralization. Then, to find the concentrations of the unknown solutions if the following reactions are found to reach equivalence by

    asked by Molly on June 9, 2014
  64. physics

    The concepts in this problem are similar to those in Multiple-Concept Example 4, except that the force doing the work in this problem is the tension in the cable. A rescue helicopter lifts a 85.8-kg person straight up by means of a cable. The person has an

    asked by Anonymous on November 4, 2013
  65. computer Science

    18 You started your new job as a PC tech and are at a customer’s house. The computer has failed to boot. The fan is running but the POST fails every time. What is the best thing to do to possibly find quickly? a. Check the electrical outlet the

    asked by Steven on January 28, 2014
  66. AP Physics

    This question had been asked for many times and I've read the solution and did it myself. Tom the cat is chasing Jerry the mouse across a table surface 1.5 m off the floor. Jerry steps out of the way at the last second, and Tom slides off the edge of the

    asked by Anonymous on September 28, 2009
  67. Religions of the World

    Find 2 websites dealing with indigenous cultures/religions.Discuss how modern civilization has impacted the spiritual lives of the indigenous people you explored. Are indigenous religions still practiced today? If so, how have the practices changed over

    asked by Patricia on August 21, 2007
  68. sociology a 3 page paper

    C Wright Mills introduces the sociological imagination as both a worldview and the pre-requisite of sociological inquiry. He states that the sociological imagination connects history to biography. What does he mean by this? Additionally, explain the

    asked by kay on January 31, 2012
  69. Probability

    Daily output of Marathon's Garyville, Lousiana, refinery is normally distributed with a mean of 232,000 barrels of crude oil per day with a standard deviation of 7,000 barrels. Find the probability of producing.. a. at least 232,000 barrels b. between

    asked by Janice on November 2, 2009
  70. math

    the function b(x)=2 x-5 determines how many bags of dog food needs to be purchased for an animal shelter, where x is the number of dogs at the shelter. the shelter manager uses m(b(x)) to find the amount of money to bring for the dog food purchase. the

    asked by Meee on June 6, 2014
  71. algerbra

    An employee wh produces x units per hour earns a hourly wage of y=0.75x11 ( in dollars) find the hourly wage for a employee who produces 18 units per hour. would i start by mutlipying 0.75x x18? Yes, muliply .75 times 18, Yes, muliply .75 times 18, so i

    asked by patti on June 3, 2007
  72. math

    on office equipment sales representative earns a weekly salary and commission on his sales. one week his total compensation on sales of $7000 was $700, the next week his total compensation on sales of $8000 was $740, find the weekly salary and commission

    asked by dave on December 13, 2015
  73. Physics

    A 145-kg object and a 445-kg object are separated by 3.90 m. (a) Find the magnitude of the net gravitational force exerted by these objects on a 34.0-kg object placed midway between them. (N) (b) At what position (other than an infinitely remote one) can

    asked by Jack on October 7, 2016
  74. Social studies, help

    How did advancements during the Gupta period transform mathematics? A. They invented algebra.**** B. They created the concepts of square numbers and square roots. C. They developed a decimal system with a numeral for zero. D. They made progress in

    asked by Em on November 8, 2018
  75. statistics

    A medical board claim that the mean number of hours worked per week by surgical faculty who teach at an academic institution is more than 60 hours. A random sample of 7 surgical facility has a mean hours worked per week of 70 hours and a standard deviation

    asked by Jessie on May 10, 2012
  76. Physics

    Consider the figure above, where a rigid beam of negligible mass and 10 m long is supported by a cable attached to a spring. When NO block is hung from the beam, the length L (cable-spring) is equal to 5 m. Assume that immediately after block (weight of

    asked by BBell on July 18, 2018
  77. Trig (math)

    1.) Find all solutions of the equation. Leave answers in trigonometric form. x^2 + 1 - sqrt3i = 0 2.) Give the rectangular coordinates for the point. (9, 2pi/3) 3.) The rectangular coordinates of a point are given. Express the point in polar coordinates

    asked by Anonymous on December 8, 2014
  78. english help please!!

    n no fewer than three sentences, critique the following paragraph. Explain where it could be improved. Then, in your own words, rewrite the paragraph to make its writing stronger. Make sure you include a hook, supporting evidence, and a topic sentence. Use

    asked by Oscar on September 11, 2015
  79. physics

    Квадратная рамка со стороной а – 1см находится на расстоянии L – 5см в одной плоскости с прямым бесконечним проводом силы токов в проводо и

    asked by lisa reid on October 18, 2011
  80. Moral Help

    This is pretty irrelevant to subjects, but I've had a problem (no, not a math problem) that I could use some good advice on. Today I received a detention for messing around with a friend during a computer apps class. It's easy as hell, so I find it easy to

    asked by John on September 18, 2007
  81. English - Shakespeare

    I was wondering if you could help me find literary devices in this passage in "Much Ado about Nothing" by Shakespeare: BENEDICK That I neither feel how she should be loved nor know how she should be worthy, is the opinion that fire cannot melt out of me: I

    asked by Aaron on December 16, 2009
  82. geometry:linear measure and precision

    how to find examples of rulesfor this theme I'm not quite sure what information you are seeking. I need more details. However, I searched Google under the key words "linear measure rules geometry" to get these possible sources:

    asked by Alma on August 23, 2006
  83. Physics

    So I had an exam today and one of the questions is bugging me. Our professor is out of town for a few days, so we had a proctor and I still can't figure it out using my notes. It was a question about two carts and deals with momentum. Cart A is at rest

    asked by Kate on July 11, 2011
  84. Math

    I'm really stuck on these STATS questions.Can someone please help! 1. The probability of a car in a population having faulty brakes is .05. If we take a sample of 150 cars, find the standard deviation of the sampling distribution. 2. The strength of ten

    asked by mysterychicken on June 20, 2013
  85. English

    Thank you very much for your corrections. Here are two sentences for you to check. 1) Thank you for your prompt reply. How could I start and finish off my letter addressed to the principal of a high school? 2) Could you suggest to me an internet site where

    asked by Henry2 on October 1, 2011
  86. science

    1) Create an APA reference for this publication as one would find in the reference page Article Title: Truly, Madly, Depp-ly Author: Frank DeCaro, Bill Evans, Tom Black, Rachel McGill, Ed Strong, Sue Koch, Mark Thomas, Rachel Dew, and Gary Edwards.

    asked by khar123 on July 3, 2013
  87. Chemistry repost

    Whoever you are -- Please DO NOT USE TUTORS' NAMES where your name or nickname should be. ~~~~~~~~~~~~~~~~~~~~~~~~~~ as i earlier posted and , 1 day ago , i am confusesd hw we ll find freezing point......isnt it T pure solvent - T solution .. which ll be

    asked by Writeacher on January 25, 2009
  88. Physics

    So I had an exam today and one of the questions is bugging me. Our professor is out of town for a few days, so we had a proctor and I still can't figure it out using my notes. It was a question about two carts and deals with momentum. Cart A is at rest

    asked by Kate on July 11, 2011
  89. maths

    Find the sum of all 3-digit positive numbers N that satisfy the condition that the digit sum of N is 3 times the digit sum of N+3. Details and assumptions The digit sum of a number is the sum of all its digits. For example, 1123 has a digit sum of

    asked by rohit on March 21, 2013
  90. Calculus

    Find the second derivative of the following function: y=log(base2)x/x² y'=[(x/ln2)-2xlog(base2)x]/x^4 the derivative of x/ln2 is (ln2)^-1? y"={[((ln2)^(-1))-(2log(base2)x/xln2)]x^4-4x³[(x/ln2)-2xlog(base2)x]}/x^8 I tried simplifying it and I got,

    asked by sh on October 31, 2010
  91. Principles of Management - Effective Management

    Please double check my answers please! 1. a team manager is resolving the conflicts that exist among the members of his team in an organization. this is an example of: a. planning b. organizing c. leading d. controlling answer C 2. a manager at a grocery

    asked by Amanda on July 10, 2012
  92. stats

    A company that manufactures and bottles apple juice has a machine that automatically fills 16-ounce bottles. There is some variation, however, in the exact amount of juice dispensed into each bottle. From a large number of observations taken over a long

    asked by a on January 29, 2011
  93. chemistry

    I am doing a project on medicinal plants. I planted red tomatoes, but I can't find any website that provides me info that it is medicinal. If you know any websites on red tomatoes that shows that it is medicinal please tell me. Oh tomatoes in my country we

    asked by Ron on February 24, 2007
  94. english

    can you proof read for me. In second part of the novel is more interesting from the first part. Alex was bored so Lao Xu told him the story about Zhou and Zhu Ge-Laing. It was very interesting story about Chinese history. Alex is very good to learn things

    asked by anu on January 14, 2010
  95. Physics

    An arrow is fired horizontally with a speed of 30ms-1 from a height of 2m above the ground level. Model the arrow as a particle which does not experience air resistance. a)show that the time taken for the arrow to hit the ground is 0.639 seconds correct to

    asked by 0ooooooooo0 on September 28, 2017
  96. Biology

    Many species of birds are behaviorally adapted to migrate from one area to another as the seasons change. Often, this migration involves the birds flying north toward the Arctic during the summer and returning south during the winter. These birds have most

    asked by Bryce on December 20, 2018
  97. Chemistry: please help, I am stumped

    When nitroglycerin (C3H5N3O9) explodes, it decomposes into the following gases: CO2, N2, NO, and H2O. If 239g of nitroglycerin explodes, what volume will the mixture of gaseous produces occupy at 1.00 atm pressure and 2678oC? a. Write a balanced equation

    asked by Suzanne on April 28, 2014
  98. English

    1.Mom always (____) her glasses down somewhere and then can't find them. 2.No one could believe that Carol had been (___) near the dog the entire time. Use correct form of sit or set 1.sets 2.sitting 1.My grades have (----) a little each semester. 2.My

    asked by Hayley on February 6, 2011
  99. physics

    A pendulum consists of a small object hanging from the ceiling at the end of a string of negligible mass. The string has a length of 0.80 m. With the string hanging vertically, the object is given an initial velocity of 2.6 m/s parallel to the ground and

    asked by Anonymous on October 10, 2014
  100. statistics

    An important indicator of lung function is forced expiratory volume(FEV), which is the volume of air that a person can expire in one second. Dr. Jones plans to measure FEv in a random sample of n young women from a certain population, and to use the sample

    asked by lauren on February 16, 2008

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