1. Math help

    Find the 98% confidence interval for estimating ìd based on these paired data and assuming normality. (Give your answers correct to one decimal place.) Before 50 55 61 52 68 54 After 34 58 56 36 40 39 Lower Limit Incorrect: Your answer is incorrect. 64.0

    asked by tracy10 on June 23, 2013
  2. confidentiality of health information

    Joe researcher asks for access to patient records as part of a research project. What should the health information manager do? A. Say yes-access for research is permitted. B. Say no. C. Tell Joe to submit his request to an institutional review board if he

    asked by Question on April 28, 2010
  3. physics

    i keep trying to put this in my calculator but i keep getting the wrong answer...can someone please try it on their calculator and help me? thnks (a) Find the distance r to geosynchronous orbit. Apply Kepler's third law. T^2=((4pi^2)/(GM_E))r^3 Substitute

    asked by cb on March 15, 2009
  4. Calculus help

    \documentclass{article} \usepackage{amssymb,amsmath,amscd,concmath} \pagestyle{empty} \begin{document} \begin{equation*}\int_{1}^{3} [(e^3/x)/(x^2)]\, dx\end{equation*} \end{document} Sorry,the html format does not work... How to find the integral of

    asked by Linda on February 20, 2007
  5. Physics

    Jack Sparrow swings on a 3 m long rope that was horizontal before he jumped from the boom of the Black Pearl. At the very bottom of his arc, he grabs Elizabeth Swann and they swing upward together. Sparrow (Depp) has a mass of 75 kg, and Swann (Knightley)

    asked by Jessica on July 12, 2012
  6. Physics

    5. The ball launcher in a pinball machine has a spring that has a force constant of 1.20 N/cm . The surface on which the ball moves is inclined 10.0° with respect to the horizontal. The spring is initially compressed 5.00 cm. Find (a) the launching speed

    asked by John Tucker on February 1, 2013
  7. math

    Inflation is running 2% per year when you deposit $1000 in an account earning interest of 13% per year compounded annually. In constant dollars, how much money will you have two years from now? (Hint: First calculate the value of your account in two years'

    asked by liz c on November 13, 2010
  8. Difficult Trig Word Problem

    The displacement of a spring vibrating in damped harmonic motion is given by y(t) = 4e^-3t sin(2pi*t) where y = displacement and t = time with t greater than/equal to zero. Find the time(s) when the spring is at its equilibrium position (y=0). The number

    asked by Greg on November 14, 2012
  9. Math

    I have another problem that I don't know how to solve. A car travels along a straight road, heading east for 1 hour, then traveling 30 minutes on another road that leads northeast. If the car had maintained a constant speed of 40 mph, how far is it from

    asked by Cassie on January 16, 2014
  10. physics

    a physics book is on top of a drafting table at 35 degree angle. Find the net external force acting on the book and determing wether the book move or remain at rest on this position. they give you: force of friction 11N, force normal 18N,force of gravity

    asked by Grace on January 16, 2011
  11. HELP

    How do you find acceleration and Fnet for a diagram containing only one object with a mass, like say 10kg, and two arrows going in the opposite directions(horizontally) with thier tips touching each side of the object. **NOTE: there are no other numbers

    asked by Pamela on June 7, 2007
  12. Math

    Starting with the kinematics equation x = vot + ½ at^2, derive an expresion relating the acceleration and initial velocity of an object to two paired position and time measurements. In other words, if an object's position is x1 at t1, find the

    asked by Jack1 on September 11, 2012
  13. Algebra HELP!

    Starting with the kinematics equation x = vot + ½ at^2, derive an expresion relating the acceleration and initial velocity of an object to two paired position and time measurements. In other words, if an object's position is x1 at t1, find the

    asked by Jack on September 11, 2012
  14. physics

    1) A T-shirt cannon at a basketball game launches shirts to the upper level at 55 m/s with an angle of 52 degrees. Find the height (dy) of the seats if it takes 4.5 seconds to land in the seats. 2) A soccer ball is kicked on a flat field by the goalie at

    asked by Keke on October 5, 2015
  15. Physics

    A shot-putter puts a shot (weight = 71.9 N) that leaves his hand at distance of 1.47 m above the ground. (a) Find the work done by the gravitation force when the shot has risen to a height of 2.20 m above the ground. Include the correct sign for work. J

    asked by Brandon on November 2, 2008
  16. Physics

    A boy throws a ball off the top of a 30m high building with a speed of 10m/s at an angle of 30 degrees to the horizontal. How far from the base of the building does the ball strike? I broke in up into 2 dimensional: X horizontal values: Xi=0 Xf=?

    asked by Leo on June 11, 2016
  17. physics

    block A (mass 2.04kg) rests on a tabletop. It is connected by a horizontal cord passing over a light, frictionless pulley to a hanging block B (mass 3.00kg ). The coefficient of kinetic friction between block A and the tabletop is 0.215. After the blocks

    asked by george on October 11, 2012
  18. college math

    Find the equation of the line with the given information. I know how to do this when given (x1,y1) & (x2,y2) but the given information is: Through (2,-5) and parallel to y=3. Can someone please explain the process to me? And also for this given

    asked by amy on November 6, 2006
  19. physics

    3.A force of 26lbs. causes impending motion. If the force is maintained at 26lbs.Fn=Fw=65lbs and the sliding friction is .28. find: a.mass of the block b.FF c.acceleration What force must be maintained to cause an acceleration of 2ft/s^2?

    asked by Charles on January 26, 2008
  20. math

    The top and bottom flaps in the box are each 4 centimeters by 2 centimeters.The right and left flaps are each 2 centimeters by 2 centimeters. There are flaps at the other end that are identical.Find the total area of carboard used to make the box.

    asked by carlos on February 8, 2012
  21. explantaation

    how do birds fly? do u know where to find diagrams of how birds fly? http://www.fi.edu/wright/again/wings.avkids.com/wings.avkids.com/Book/Animals/intermediate/birds-01.html

    asked by Nadia on July 8, 2007
  22. Algebra: Simple Interest

    Problem: Geoff has $5000 to invest. He wants to earn $568 in interest in one year. He will invest part of the money at 12% and the other part at 10%. How will he invest. +I already know how to do Simplest Interest, I just can't read the problem to find

    asked by Milly on November 22, 2010
  23. 4th grade

    Mr. Digit wanted to assign a number to each student in his class. He could only use the digits 2,3 and 6 and each student's number had to have three digits. Can he find enough numbers for all 25 students if repeated digits are allowed? Will there be any

    asked by jessica on January 11, 2010
  24. History

    1. What paints did the Mughals use to create their paintings? What pigments were used to create these paints? 2. How expensive were these pigments? I haven't been able to find much information regarding the paints or pigments used online, but I would be

    asked by Claire on May 18, 2016
  25. pre-calculus

    THe sume of 2 positive numbers is 20. Find the two numbers such that 1) the sum of the square is minimum b) the product of one and the square is maximum. c) the product of the square and one and the cube of the other is maximum I will be happy to critique

    asked by alice on November 11, 2006
  26. Math algebra

    You plan a party and spend $26 on decorations. Each of the tables will have 8 party favors and 8 individual flowers. The flowers cost $2.50 each. Which equation can you use to find the cost of each party favor? *please make an equation*

    asked by Mae on June 2, 2014
  27. Engineering/Algebra

    A cardboard tube is loaded with a 15.3 N axial load. The tube has an outside diameter of 2.5 cm and a wall thickness of .035 cm. Find the axial stress in the cardboard tube. Is the answer 75 N/cm^2? If so can you show me your way of getting to this answer.

    asked by George on November 4, 2008
  28. Math (Ms.Sue please help!)

    Sarah owns a small business. There was a loss of $19 on Thursday and a loss of $12 on Friday. On Saturday there was a loss of $11, and on Sunday there was a profit of $15. Find the total profit or loss for the four days. A. $35 loss B. $19 profit C. $27

    asked by Fork-A-Dork on March 15, 2017
  29. D J HIGH SCHOOL SOST GOJAL PAKISTANmaths trignometry

    from an observation point the angle of depression of two boats in line with this point are found to 30 degrees and 45 degrees .find the distance between the two boats if the point of observation is 4000 feet high.

    asked by tasleem asghar on December 10, 2014
  30. math

    One card is selected at random from a standard 52-card deck of playing cards. Find the probability that the card selected is a red king. 1 out of 26, There are 2 red kings in 52 cards so it would be 2 / 52 and then you sipmlify to 1 / 26

    asked by Jennifer on March 25, 2007
  31. statstics

    a report says 65% of vechiles sold were SUV's. A random sample of 100 vechiles sold in last month is taken. Use the central limit theorem, find the probability that most 70% of the vechiles in the sample were SUV's

    asked by bob on August 25, 2014
  32. math

    1. A wire of length x is bent into the shape of a square. Express the area A as a function of x only. 2. A circle of radius x is inscribed in a square. Find the area inside the square but outside the circle as a function of x only.

    asked by Josh on April 16, 2008
  33. math

    An experiment consists of drawing one ball from a box containing 5 white balls numbered 1 through 5 and black balls numbered 6 through 10. Find the probability that a randomly selected ball is black and numbered 7.

    asked by trinx on December 8, 2014
  34. math

    Mr. digit wanted to assign a number to each student in his class. He could only use the digits 2, 3, and 6 and each student's number had to have three digits. Can he find enough numbers for all 25 students if repeated numbers are allowed? Will there be any

    asked by jessica on January 11, 2010
  35. algebra1

    The length of a rectangle is twice the width. If the length is increased by 4 inches and the width is decreased by 1 inch, a new rectangle is formed whose perimeter is 198 inches. Find the dimensions of the original rectangle.

    asked by anonymous on October 19, 2007
  36. Differential calculus

    The voltage across the plates of a capacitor at any time t seconds is given by V=Ve -t/CR, where V,C and r are constants. Given V = 300 Volts, C =0.12*10-6 F and R = 4*10 6 ohms Find the initial rate of change of voltage and the rate of change of voltage

    asked by lee on June 30, 2015
  37. Math

    A plane flies 150km due south and then 150km on a bearing of 45 degrees Celsius. With repeat to it initial position, find a. How far south the plane is b. how far east the plane is is c. It bearing d. How far way it is

    asked by Isaac on June 7, 2011
  38. algorithms

    in Table E [N] are the names of the students, in Table L [M] are the names of the subjects, in Table T [N, M] are the grades of students for each subject. to find the student with the highest grade in the class "Math" (name of the subject given by keypad)

    asked by Elton Xhafa on February 23, 2012
  39. Math

    Mark hid a $10 bill inside his favorite book. He forgot the pages where he hid it. If the sum of the pages where the bill is hidden is 177, on what pages will Mark find his money?

    asked by Bianca on April 5, 2010
  40. English

    I read a story and now it asking me to identify the theme. I don’t know how to identify a theme. Can you give me some tips and make me understand what that means. How am I suppose to find those clues in a story that tell me this is a theme or some clues.

    asked by Ali on March 31, 2018
  41. u.s. history

    How many people died from the epidemic each month in the United States? *how many people died altogether -come 675,000 Americans died altogether how many people died on each continent? i can't find these last two questions

    asked by Please Help on June 7, 2014
  42. math

    Find digits A and B in the number below so the folling condition are true. The 5-digit number must be divisible by 4. The 5-digit number must be divisible by 9. Digit A cannot be the same as Digit B. 12A3B Explain the steps you followed to solve the

    asked by peter on December 21, 2011
  43. college algebra

    for the given function f&g, find the following and state the domain of each result f(x)=2x+1/9x-5; g(x)4x/9x-5 a.(f+g)(x)= what is the domain? b.(f/g)(x)= what is the domain? please show work answer the following for the given quadratic function

    asked by spazed out on December 1, 2012
  44. math

    suppose there are 2 pieces of the cake left over, but you don't know how many pieces were in the whole cake. explain how you could find the number of pieces in the whole cake if taylor told you 1/6 of the cake was left. you may show your work in a drawing.

    asked by renan on January 28, 2014
  45. Liberal Arts 1

    In a class of 50 students, 26 are Democrats, 13 are business majors, and 3 of the business majors are Democrats. If one student is randomly selected from the class, find the probability of choosing a Democrat or a business major.

    asked by Amber on November 15, 2014
  46. mathematics

    find the area of the region between the curve y = 3-x^2 and the line y = -1 by integrating with respect to y you first have to solve for x x=(3-y)^(1/2) then area ⌠ (3-y)^(1/2 dy from -1 to 3 ⌡ =-2/3 (3-y)^(3/2 | from -1 to 3 = -2/3(0 - 8) = 16/3 but

    asked by denisa on April 18, 2007
  47. calculus ..>steve

    Given a function f(x)2/3x^3+5/2x^2-3x. a) Find i. The inflection point. ii. The y-intercept and x-intercept. b) Sketch the graph of f(x). i have already try it..but i don't understand.. which graph that is true.. the first or second ? and how to calculate

    asked by yaya on December 15, 2012
  48. Math

    Mr. Digit wanted to assign a number to each student in his class. He could only use the digits 2,3,and 6 and each student's number had to have three digits. Can he find enough numbers for all 25 students if repeated digits are allowed? Will there be any

    asked by fko on December 10, 2009
  49. Algebra/Geometry

    I am eating a snow cone in a paper cone with a height of 21cm and the radius of my snow cone ice is 3.25 cm. Find the amount of material needed to make my paper snow cone

    asked by Angelita Marie on April 11, 2008
  50. Math Help

    In three math tests, you have scored 91,95 and 88 points. You are about to take your next test. Suppose you want to have an average score of at least 90 points after all four tests. Explain a method you could use to find the score you must receive in order

    asked by Anonymous on February 8, 2016
  51. Physics

    A 13.0 -kg box is released on a 33 degree incline and accelerates down the incline at 0.20 m/s^2 What is the coefficient of kinetic friction? * If I know the friction force impeding the object motion is 67 N. How do I find the coefficient of kinetic

    asked by Mike Joseph on June 17, 2012
  52. Math

    in a class of 60 students 30 like maths 25 like physics 30 like chemistry. if 10 like both physics and maths 5 like maths and chem and 5 like phy & chem and 3 like all the subjects. find student like none of subject of if 100 students were surveyed

    asked by Dp on June 8, 2016
  53. Economics

    Suppose a market with two sellers Seller 1 has a marginal cost of c1=20q1 and seller 2 has a marginal cost of c2=40q2 Find the market supply curve in a competitive market where the price = c1= c2

    asked by Shane on September 30, 2010
  54. sunshine math-4

    mark hid a 10 bill inside his favorite book. he forgot the pages where he hid it. is the sum of the pages where the bill is hidden is 177, on what pages will mark find his money

    asked by Ivan on March 16, 2010
  55. Calculus review

    let the function h(x)= (integrand symbol from 2 to x^2)arctan (t) dt. Find h'(x). This question confused me because i know the derivative of an integral is the original function. I just need help with finding the derivative of that integral. I don't know

    asked by Prince@18 on February 9, 2017
  56. Math

    in a class of 60 students 30 like maths 25 like physics 30 like chemistry. if 10 like both physics and maths 5 like maths and chem and 5 like phy & chem and 3 like all the subjects. find student like none of subject if 100 students were surveyed

    asked by Anonymous on June 8, 2016
  57. math

    The surface area covered by a rectangular playground is 100 square yards. The width of the playground is 15 yards longer than its length. Using factors, find the length and the width of the playground.

    asked by William on November 28, 2016
  58. Math

    A sofa and chair have a total price of $ 600 not including tax. The tax rate is 6.25 %. Find the tax on the sofa if the price of the chair is $200. (a)$ 625 (b)$ 637.50 (c)$ 25 (d)$ 612.50 (e)$ 47.50

    asked by Mike on September 15, 2011
  59. microeconomics

    Aneeta spends all her pocket money on chocolates(x)and icecream(y). Her utility function is U(x,y)= min(4x,2x+y). Aneeta consumes 15 chocolates and 10 icecreams. The price of chocolates is Rs.10. Find out her pocket money.

    asked by swagata on June 12, 2008
  60. Chemistry

    I used coulomb's law to find the force of attraction between the ionic atoms in BeS and BeO. For BeS, F = -6.85x10^29 J/m For BeO, F = -9.078x10^29 J/m Which has the stronger force of attraction? BeO? What does the "-" sign mean?

    asked by jake on September 23, 2010
  61. Math

    According to a 2008 poll 14% Americans have tattoos. Find the odds that an American has a tattoo? (I got probability of 14/100) 1 - 14/100 then 86/100 X 11/14 ***odds American has a tattoo 7:43*** did I work this problem correctly

    asked by Shay on July 8, 2011
  62. STATITICS

    the subway train has 18 doors and starts with 15 passenger. if each passenger is equally likely to get off at any station and the passengers leave the train independently, find the probability that 2 or more passengers leave the train through the same door

    asked by harjeet on December 12, 2016
  63. Math

    Sarah owns a small business. There was a loss of $19 on Thursday and a loss of $12 on Friday. On Saturday there was a loss of $11, and on Sunday there was a profit of $15. Find the total profit or loss for the four days. A. $35 loss B. $19 profit C. $27

    asked by Renee :) on April 3, 2018
  64. math

    In triangle ABC, angle C is congruent to angle A, line BC=2x-5, line AB=x+5 and line AC=x+10. Find x. The problem didn't have a triangle drawn so i drew it myself. I tried many equations but when i substitute it it didn't work.

    asked by mark on November 16, 2008
  65. Math

    The pressure p at the bottom of swimming pool varies directly as the depth d of the water. If the pressure is 125 Pascal when the water is 2 meters deep, find the pressure when it is 4.5 meters deep.

    asked by Jennylyn on September 20, 2015
  66. Physics (Please help!!!)

    1) An ideal gas occupies a volume of 0.60 m^3 at 5atm and 400K. What volume does it occupy at 4.0atm and a temp of 200K? I know how to find the volume with the m^3 and the atm but it threw me off since it gives the 4.0 atm and the temp 200K.

    asked by Hannah on February 4, 2010
  67. Math

    Two fire towers are 30 kilometers apart, tower A being due west of tower B. A fire is spotted from the towers, and the bearings from A and B are E 14 degrees N and W 34 degrees N, respectively. Find the distance d of the fire from the line segment AB.

    asked by Mike on May 10, 2011
  68. PHYSICS(URGENT)

    A particle has a mass of 5kg. It is held at a height of 3 metres above the ground. Find: a.Its potential energy b.It’s kinetic energy when is hits the ground c.The speed with which the particle hits the ground

    asked by LK on March 22, 2012
  69. statistics

    In a class of 50 students, 31 are Democrats, 13 are business majors, and 3 of the business majors are Democrats. If one student is randomly selected from the class, find the probability of choosing a Democrat or a business major.

    asked by Tim on August 8, 2010
  70. Math

    Find the angle Q between the two vectors. u = 10i + 40j v = -3j+8k cos / sqrt1700 sqrt73 cos(-120/sqrt1700 sqrt73) = .9072885394 arc cos (.9072885394) = 24.86 degrees. Is this correct?

    asked by Abbey(Please help) on May 4, 2010
  71. Math

    2. Lisa owns a small business. There was a loss of $14 on Monday and a profit of $18 on Tuesday. On Wednesday there was a loss of $6 and on Thursday there was a profit of $7. Find the total profit or loss. a. $15 profit b. $45 loss c. $5 profit d. $10

    asked by ErenJaegerKillsTheTitans on September 1, 2017
  72. Science

    A convex mirror forms an image of half the size of the object. When it is moved 15cm away from the object the size of the image becomes 2/5times that of the object. Find the focal length of mirror

    asked by Aashutosh on September 10, 2016
  73. math

    Christa is standing on the top of head of gladwyn's shadow. If christa is 5 ft tall and Gladwyn's height is 6 feet and the length of their shadows combined is 15 ft, find the length of Christa's shadow

    asked by m on February 29, 2016
  74. math-please help!

    The number of complaints received by a business bureau can be represented by the following probability distribution. Find the expected number of complaints per day. complaints per day -0,1,2,3,4,5 probability-0.01,0.11,0.26,0.28,0.19,0.12 can someone

    asked by KiKi on April 25, 2010
  75. statistics

    A professor knows that in her class 37% of the students have passed an Algebra course, 29% have passed an English course, and 21% have passed both courses. If one student is selected at random from this class, find the probability that: c) the student did

    asked by Confused on April 24, 2011
  76. College Algebra

    Please explain in detail so I know for next time. Two angles are complementary. The sum of the measure of the first angle and one-fourth the second angle is 62.25 degrees. Find the measures of the angles. What is the measure of the smaller angle? What is

    asked by LeAnn/Please help me on November 18, 2009
  77. Math

    Luke rode his bicycle 2/5 of a mile from his house to the library.He then rode 1/2 of a mile from the library to the mall.Sketch a visual model to find the total distance that Luke rode.

    asked by Anonymous on April 22, 2014
  78. Physics

    Two objects, one of mass 3kg moving at 2m/s, the other of mass 5kg and speed of 2m/s move towards each other and collide in a head on collision. If the collision is perfectly inelastic, find the speed of the objects after the collision.

    asked by Brooke on December 21, 2014
  79. MATH HELP PLEASE Explain

    Brownies and More sell all types of cookies and pastries. On Tuesdays, they markdown all brownies 75% to a sale price of $1.50 a dozen. Find the regular selling price and the markdown of a dozen brownies.

    asked by Bradley on February 25, 2016
  80. math

    A plane flies the first half of a 5600 km flight into the wind in 3.5 hours. The return trip, with the same wind, takes 2.5 hours. Find the speed of the wind and the speed of the plane in still air.

    asked by Betsy on December 6, 2011
  81. maths

    luke rode his bicycle 2/5 of a mile from his house to the library. He then rode 1/2 of a mile from the library to the mall. Sketch a visual model to find the total distance that luke rode

    asked by pinks on April 21, 2014
  82. Math

    The sum of the digits of a three digit number is 20.The middle digit is equal to one fourth the sum of the other two. If the order of the digits is reversed the number increases by 198. Find original number

    asked by Rohan on December 3, 2017
  83. Math

    In a clinical trial, a drug used to relieve pain caused side effects in 7% of the patients who took it. For a new trial, two patients were selected at random. Find the probability that neither of the patients had side effects

    asked by Jessie on January 31, 2013
  84. Math

    the length of a rectangular garden exceeds its width by 8 feet. if each side of the garden is increased by 2 feet, the area of the garden will be increased by 60 square feet. find the dimensions of the original garden

    asked by David on February 15, 2013
  85. physics

    A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are placed on the table as follows: a m1 = 1.9-kg object at the origin of the coordinate system, a m2 = 3.4-kg object at (0, 2.0), and a m3 = 4.6-kg object at

    asked by Evette on October 8, 2016
  86. physics

    An object with a mass of 34.0 g and a volume of 41.0 + B cm3 is placed in a liquid with a density of 1.25 g/cm3. Find the volume of the part of the object that is NOT submerged in the liquid. Give your answer in cm3 and with 3 significant figures.

    asked by Idali on April 3, 2017
  87. math

    In a clinical trial, a drug used to relieve pain caused side effects in 9% of the patients who took it. For a new trial, three patients were selected at random. Find the probability that none of those patients had side effects.

    asked by karen on March 10, 2012
  88. algebra

    Graph the following equations; calculate the slope, x-intercept, and y-intercept, and label the intercepts on the graph. Find the area of a rectangle if three of its corners are (-0.1,-3.4), (-7.9,-3.4), and (-0.1,6.8). one I draw the graph how do I figure

    asked by bianca on February 28, 2011
  89. Math

    Find the angle Q between the two vectors. u = 10i + 40j v = -3j+8k cos / sqrt1700 sqrt73 cos(-120/sqrt1700 sqrt73) = .9072885394 arc cos (.9072885394) = 24.86 degrees. Is this correct?

    asked by Abbey(Please check) on May 4, 2010
  90. math

    suppose there are 2 pieces of the cake left over, but you don't know how many pieces were in the whole cake.Explain how you could find the number of pieces in the whole cake if Taylor told you 1/6 of the cake was left.You may show your work in a drawing.

    asked by Derl on April 9, 2014
  91. math

    A cylinder of radius 14 cm contains water. A metal solid cone of base radius 7 cm and height 18cm is submerged into the water. Find the change in height of the water level in the cylinder

    asked by kudu on February 7, 2015
  92. Geometry

    The height of a trapezoid is 2 inches. If one base is 14 inches long and the area is 49 inches squared find the length of the other base. I know the Area of a trapezoid is A=1/2(b1+b2)h but Idk how to apply it when working backwards

    asked by Anonymous on March 30, 2016
  93. Physics

    An ideal gas is compressed at constant pressure to one-half its initial volume. If the pressure of the gas is 120 kPa, and 760 J of work is done on it, find the initial volume of the gas.

    asked by Haley on November 21, 2011
  94. math

    In a class of 50 students, 35 are Democrats, 17 are business majors, and 6 of the business majors are Democrats. If one student is randomly selected from the class, find the probability of choosing a Democrat or a business major.

    asked by Kaitlyn on April 28, 2013
  95. physics

    a person was climbing on a building.he slips 1 metre for every 5 metre he climb up. if the building is 53 metre high and he takes 5 seconds to climb 1 metre,find the total time taken by him to get on the top of the building.

    asked by Anonymous on April 9, 2014
  96. statistics

    the subway train has 18 doors and starts with 15 passenger. if each passenger is equally likely to get off at any station and the passengers leave the train independently, find the probability that 2 or more passengers leave the train through the same door

    asked by linn on April 13, 2014
  97. physics - special relativity

    When a rocket is moving at a constant speed, it has a relativistic mass that is 60 percent greater than its rest mass. Find the speed of the rocket. **** So far, I tried using the relativistic mass equation.. 0.6m = mv / square root 1-(v/c)2

    asked by CL on June 7, 2010
  98. math

    ok this is in my practice book. there are 33 students in the chess club. there are five more boys than girls in the club. write and solve a system of equations to find the number of boys and girls in the chess club?

    asked by ariel on December 6, 2011
  99. CALCULUS

    The region R is a rectangle with vertices P(a,lna), Q(a,0), S(3,0), and T(3,lna), where 1

    asked by Anonymous on May 5, 2012
  100. math

    A pendulum bob swings 5.0cm on its first oscillation.On each subsequent oscillation the bob travels 2/5 of the previous distance. Find the total distance the bob travels before coming to rest.

    asked by voytek on May 3, 2012

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