1. Statistics/Probability

    The life span of a calculator has a normal distribution with a mean of 60 months and a standard deviation of 5 months. If a calculator is randomly selected, find the probability that the calculator has a life span of. (1) more than 50 months (2) between 4

    asked by Heidi on July 10, 2014
  2. Powerpoint

    I need to do a powerpoint on a career. I have to find information on the web about that career. One of the slide requirements was to include a bibliography. So, I'm wondering what does a bibliography for a powerpoint include? Do I need to include the

    asked by Larry on January 17, 2009
  3. MATH help please

    Let R be the relation on ℤ+×ℤ+ defined by (a,b)R(c,d) if and only if a−2d=c−2b. (a) prove that R is an equivalence relation (b) list all elements of the equivalence class [(3,3)] (c) find an equivalence class that has exactly 271 elements. (d) is

    asked by EXCEL on August 12, 2014
  4. Statistics and Probability

    Winning the jackpot in a lottery requires that you select the correct three numbers between 1 and 51 and in a another separate drawing you must select the correct single number between 1 and 15. Find the probability of winning the jackpot- The probability

    asked by Macy on October 13, 2014
  5. math

    On a class trip there wre 30 more girls than boys.The total number of students on the trip was 210.Write and solve an equation to find the number of girls and the number of boys on the class trip.

    asked by ashley on January 28, 2014
  6. Physics

    I have a picture of one person pushing a boulder with 60 N and another person pushing from the same side at 90 N. The friction of the boulder is 40 N. The question asks to find the total force on the boulder. Is "total force" just the net force in this

    asked by Anonymous on October 14, 2016
  7. PHYSICS

    What is the average velocity between 0.6 h and 1 h? A. + 0.4 km/h B. + 1.25 km/h C. + 1.66 km/h D. + 2.5 km/h This questions is hard for me to understand because you can only find average velocity by dividing the displacement by the time, and here they

    asked by Anonymous on July 21, 2010
  8. math

    Two taps of various or different diameter can fill a tank in 9 and 3/8 hours. The tap of larger diameter takes 10 hrs less than the smaller one to fill the tank separately.Find the time in which each tap can separately fill the tank.

    asked by marathe khemraj on December 26, 2015
  9. vvc

    In a championship basket ball game,Paula made twice free throws as Maria .If the total number of free throws made by both women was 12 find how many free throws Paula made made?

    asked by math 12 on October 13, 2015
  10. algebra

    A computer salesperson earns a base salary of $32,000 per year plus a commission of 6% on total sales. Total sales for one year were $350,000. Find the salesperson’s total pay for the year.

    asked by Tranesha on September 14, 2011
  11. 12th grade

    Decide whether each of the following is a characteristic of the North-Puritanism,South-Gentleman planters or both the north and the south. Came to America to find freedom to worship and the promised land - The North-Puritanism; The South-Gentleman

    asked by Anonymous on December 29, 2009
  12. Algebra II

    The volume of a gas in cubic centimeters, V, varies inversely with the pressure of the gas in liters per square centimeter, p. When the volume of the gas is 16 cm3, its pressure is 20 L/cm2. Find the volume of the gas when the pressure is 2.2 L/cm2.

    asked by kristy on December 15, 2016
  13. Powerpoint (URGENT)

    I need to do a powerpoint on a career. I have to find information on the web about that career. One of the slide requirements was to include a bibliography. So, I'm wondering what does a bibliography for a powerpoint include? Do I need to include the

    asked by Larry on January 18, 2009
  14. finance

    Wharton charges DEI spreads of 9 percent on new common stock issues, 7 percent on new preferred stock issues, and 5 percent on new debt issues. I need help... I'm not sure which numbers would go to Equity, debt or preferred. I need to find out for E/V, D/V

    asked by Serenity1 on November 26, 2013
  15. Algebra

    Could you please check some of my Algebra problems please? Write the standard form of the equation of the circle with the given center and radius. 1. (-7,4);8 I got (x+7)^2 + (y-4)^2=64 2. (-7,10); square root of 17 I got (x+7)^2 + (y-10)^2=17 3. (0,0); 2

    asked by Soly on September 10, 2007
  16. physics

    To find the height of an overhead power line, you throw a ball straight upward. The ball passes the line on the way up after 0.65 s, and passes it again on the way down 1.9 s after it was tossed. (a) What is the height of the power line? (m) (b) What is

    asked by vonne on September 16, 2010
  17. algebra

    I trust you know about y = mx + b Realize that when you are given the x or y intercepts, you are really just given two points, in your case the points (4,0) and (0,-2) So it is easy to find the slope, (-2-0)/(0-4) = 1/2 Take it from there Determine the

    asked by Reiny on March 28, 2007
  18. physics

    A canoe has velocity of 0.40m/s southwest relative to earth.the canoe is on a river that is flowing 0.50m/s east relative to earth find the velocity (magnitude and direction) of the canoe relative to the river.

    asked by jack on September 10, 2011
  19. Algebra 1

    Pressure and volume vary inversely in the idea has law. The pressure exerted by a gas of volume 150cubic inches is 30 p.s.i. Find the pressure exerted by the gas if the volume is decreased to 50cuboc inches

    asked by Pj clancy on May 12, 2016
  20. math

    Adam is 3 times as old as Cynthia and Fred is 16 years younger than Adam. One year ago, Adam's age was twice the sum of Cynthia's and Fred's age. Find their present age. I have a answer already but I still not get it,please help me out with answer

    asked by Thanh on September 20, 2010
  21. Help me! Geometry

    A design on the surface of a balloon is 5 cm wide when the balloon holds 71 cm^3 of air. How much air does the balloon hold when the design is 10 cm wide? Explain the method you use to find the amount of air. How would I solve this step by step?

    asked by Alexa on September 28, 2015
  22. MATHS

    A CYLINDRICAL PIPE MADE OF METAL IS 3 CM THICK .IF THE INTERNAL RADIUS OF THE PIPE IS 10 CM, FIND THE VOLUME OF THE METAL USED IN MAKING 3M OF THE PIPE RADIUS OF INTERNAL PIPE =10CM RADIUS OF EXTERNAL PIPE =13CMVOLUME OF PIPE=PI R^2H

    asked by MAYOWA on April 28, 2016
  23. math

    An article is marked 40% over its cost price. Two successive discounts of 14 2/7% and 10% are allowed on the marked price of the article. Find the profit/loss per cent after selling at discount. 1) 7% Loss 2) 8% loss 3) 8% profit 4) 7% profit.

    asked by kiran on August 3, 2017
  24. physics

    an aircraft is travelling from calabar to kano, it first flies to ilorin on 40 degree covering a distance of 80km, it then flies 120 degree and covers a distance of 40 km to kano. find the distance between calabar and kano

    asked by ola on April 11, 2017
  25. Calculus

    A ladder 30 ft. long is leaning up against a building. If the top of the ladder is being pulled up the wall of the building at a rate of 1.5 feet per minute, find the rate at which the base of the ladder is moving toward the building when it is 18 feet

    asked by Alex on June 15, 2015
  26. Math

    Four classmates are comparing the number of pages that they have read in a novel assigned for their language-arts class. Ken has read twice as many pages as Jenny. Alicia has read 18 pages more than Jenny and 11 pages more than Mark. Mark has read 38

    asked by Dar on April 18, 2013
  27. Literature

    'Pick a special day of the year. Write down atleast two things that you might see, hear, taste, smell, or touch on that day. Try to find images that reveal what you feel at this moment, on this day. Now write a haiku about your special day.' I reallyyy

    asked by mysterychicken on November 14, 2009
  28. phone/internet

    Hi, this isn't anything to do with home work. (Thank God I'm done with homeschooling)But I have a question to do with internet connection. I just got a new phone yesterday, and it needs connection to the wireless internet at my house so i can use internet

    asked by y912f on August 2, 2010
  29. physics

    hi thank you for your help: i have a question that deals with finding the direction and magnitude of the net magnetic force on a loop that is next to a wire (the loop is in the wire's magnetic field) how do i set up a question like this? do i have to

    asked by kiksy on April 4, 2011
  30. statistics

    Suppose a random sample of size 50 is selected from a population with σ = 10. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite

    asked by Vanessa on April 14, 2014
  31. physics

    A bicycle chain is wrapped around a rear sprocket (r = 0.041 m) and a front sprocket (r = 0.15 m). The chain moves with a speed of 1.4 m/s around the sprockets, while the bike moves at a constant velocity. Find the magnitude of the acceleration of a chain

    asked by Anonymous on November 10, 2013
  32. Physics

    A bicycle chain is wrapped around a rear sprocket (r = 0.038 m) and a front sprocket (r = 0.11 m). The chain moves with a speed of 1.6 m/s around the sprockets, while the bike moves at a constant velocity. Find the magnitude of the acceleration of a chain

    asked by Zaphod on October 26, 2010
  33. Statistics (39)

    Suppose a random sample of size 40 is selected from a population with = 9. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite (to

    asked by Mia on May 6, 2014
  34. Algebra

    You are planning to build a walkway that surrounds a rectangular garden that is 10ft by 9ft. The width of the walkway around the garden is unknown, but it will be the same on every side. a)what is the perimeter of the walkway along the outer edge ? b) what

    asked by Naibe on January 24, 2013
  35. statistics

    Suppose a random sample of size 50 is selected from a population with σ = 10. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite

    asked by Vanessa on April 15, 2014
  36. Economics (39)

    Suppose a random sample of size 40 is selected from a population with = 9. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite (to

    asked by Mia on May 9, 2014
  37. Geometry

    A circle is circumscribed by a pentagon. The sides are all tangent to the circle. (It's a bit hard to explain without a picture, so I'll do my best.) The pentagon is QSUWY. However, there are points in between all five sides. In SQ lies point R, SU point

    asked by Nikki on April 1, 2008
  38. PHY 101

    A 0.425-kg blue bead slides on a frictionless, curved wire, starting from rest at point where h = 1.50 m. At point , the blue bead collides elastically with a 0.675-kg green bead at rest. Find the maximum height the green bead rises as it moves up the

    asked by tom on October 6, 2012
  39. Algebra

    Adult tickets for a play cost $9 and child tickets cost $8. If there were 23 people at a performance and the theater collected $193 from ticket sales, how many children attended the play? A = number of adults C = number of children Set up two equations. A

    asked by T on July 29, 2007
  40. Social Studies

    Describe the Economic Effects of World War 1 Write a paragraph describing how the U.S. government managed the economy during World War I and the economic effects of that management. Consider the roles played by the Food Administration, the War Industries

    asked by EmberShy on January 30, 2017
  41. math 2 questions this time

    Find the area of the parallelogram. A height of 8 and a base of 24 then there is a another number I think its length but its 8 and im confused because its B*H for parallelogram sooo yea can someone help me and show me how. thanks. what is the surface area

    asked by LOVE PHINES AND FERB on April 3, 2016
  42. math

    Consider the experiment of simultaneously tossing a fair coin and rolling a fair die. Let X denote the number of heads showing on the coin and Y the number of spots showing on the die. a. List the outcomes in S. b. Find Fx,y(1,2). Part a is easy. It's part

    asked by Jen on October 25, 2011
  43. College Algebra

    Use a calculator to help solve the problem. One isotope of holmium, 162Ho, has a half life of 22 minutes. The half-life of a second isotope, 164Ho, is 37 minutes. Starting with a sample containing equal amounts, find the ratio of the amounts of 162Ho to

    asked by Dee on November 4, 2013
  44. percentage

    There are two distinct natural numbers. Each is first increased by 10 then by same percentage as each was increased for the first time. Each number finally results in 72 Find the difference between the numbers. i have received your answer as your faculty

    asked by vipul on October 5, 2016
  45. statistics definition

    i have to find definitions and describe 208 words in my statistics class and for one of them it says: describe the deviation from a pattern of a graph. i don't actually get what it's asking me. i don't think it's pattern becuase i already have the

    asked by david on January 26, 2007
  46. statistics

    A study of peach trees found that the average number of peaches per tree was 625. The standard deviation of the population is 140 peaches per tree. Ascientist wishes to find 80% confidence interval for the mean number of peaches per tree. How many trees

    asked by betsy on June 18, 2013
  47. analytical chemistry

    the problem is find the pH of a solution prepared by dissolving all of the following in sufficient water to yield 1.00 L of solution :0.180 mole of chloroacetic acid (CICH2CO2H),0.020 mole ofCICH2CO2Na,0.080 mole HNO3, and 0.080 mole Ca(OH)2. Assume that

    asked by lolo on March 31, 2013
  48. AQA Mechanics (M1), Statics and forces, please hel

    A particle of weight W is attached by a light inextensible string of length a to a point A on a verticle wall. The particle is supported in equilbrium by a light rigid strut of length b attached to a point B on the wall at a distance a vertically below A.

    asked by Tony on April 1, 2012
  49. Computer Programming

    Professor Merlin has asked you to help him. He has 100 total students in his four classes but he is not sure that all of them took his last exam. He wants to average the grades for his last exam in four sections of his medieval literature course and then

    asked by Giris on April 22, 2014
  50. chemistry

    You have 1.600g mixture of NaHCO3 and Na2CO3. You find that 11.60 ml of 2.00M HCl is needed to convert the sample completely to NaCl, H2O and CO2. NaHCO3 (aq) + HCl (aq) -> NaCl (aq) + H2O (l) + CO2 (g) Na2CO3 (aq) +2HCl (aq) -> 2NaCl (aq) + H2) (l) + CO2

    asked by Monica on April 17, 2010
  51. physics

    On a distant planet, a ball is dropped from rest from a height of 15.0m. It hits the ground and bounces back up until it is 1.00m below its original position. The trip down and back up takes 10.0s. Find the ball’s average speed, displacement, and average

    asked by catie on September 23, 2018
  52. calculus

    It is estimated that x years from now, the value V(x) of an acre of farmland will be increasing at the rate of: V'(x)= 0.4x^3/sqrroot(0.2x^4+8000 dollars per year. The land is currently worth $500 per acre. A. Find V(x) b. How much will the land be worth

    asked by Liz on December 4, 2006
  53. algebra

    A cup of coffee is heated to 180°F and placed in a room that maintains a temperature of 65°F. The temperature of the coffee after t minutes is given by T(t) = 65 + 115e^−0.042t.(a) Find the temperature, to the nearest degree, of the coffee 10 minutes

    asked by Barb on November 17, 2014
  54. math

    R. H. Bruskin Associates Market Research found that 30% of Americans do not think that having a college education is important to succeed in the business world. If a random sample of five Americans is s selected, find these probabilities. (a) Exactly two

    asked by robin on June 20, 2013
  55. chemistry class

    i have a Chemistry lab (level 2) final exam soon. our teacher told us that we would have % transmittance problems, can someone show me an examples (maybe from an online test) or a made up one, of what i might expect to find on my chemistry lab final? like

    asked by jes on December 1, 2010
  56. Algebra

    A ball is thrown in an upward direction off a platform that is 45 feet high with an initial velocity of 60 feet per second. The height, in feet, of the ball at the time t is given by h(t)= -16t^2 + 60t + 45. The time, t, is given in seconds. Round all

    asked by Tom on May 29, 2018
  57. Physics

    A house painter stands 3 m above the ground on a 5.3-m-long ladder that leans against the wall at a point 4.7 m above the ground. The painter weighs 638 N and the ladder weighs 143 N. Assuming no friction between the house and the upper end of the ladder,

    asked by Keith on March 17, 2012
  58. Physics

    Jack and Jill exercise in a 25.0-m-long swimming pool. Jack swims nine lengths of the pool in 160.1 seconds (2 minutes and 40.1 seconds), while Jill, the faster swimmer, covers ten lengths in the same time interval. Find the average velocity and average

    asked by Breauna on February 2, 2015
  59. Algebra II

    The maximum safe load of a rectangle beam varies jointly as its width and the square of its depth and inversely as the length of the beam. If a beam 8.00 in. wide, 11.5 in. Deep, and 16.0 ft long can safely support 15.000 lb, find the safe load for a beam

    asked by Joe on November 21, 2011
  60. physics

    a bullet of mass 20 grams is fired horizontally into suspended stationally Worden block of mass 380 grams with velocity of 200 m/s.what is the common velocity of bullet and block if the bullet embedded into the block,if the block and bullet experience a

    asked by Manikumar shah on June 1, 2019
  61. Algebra II

    The maximum safe load of a rectangle beam varies jointly as its width and the square of its depth and inversely as the length of the beam. If a beam 8.00 in. wide, 11.5 in. Deep, and 16.0 ft long can safely support 15.000 lb, find the safe load for a beam

    asked by Ashley on November 22, 2011
  62. PROBABILITY

    R. H. Bruskin Associates Market Research found that 40% of Americans do not think that having a college education is important to succeed in the business world. If a random sample of five Americans is s selected, find these probabilities. (a) Exactly two

    asked by FAKAAPO on September 21, 2011
  63. Algebra II

    The maximum safe load of a rectangle beam varies jointly as its width and the square of its depth and inversely as the length of the beam. If a beam 8.00 in. wide, 11.5 in. Deep, and 16.0 ft long can safely support 15.000 lb, find the safe load for a beam

    asked by Ashley on November 22, 2011
  64. algebra

    An airplane encountered a head wind during a flight between Rontown and Sawburgh which took 4 hours and 24 minutes. The return flight took 4 hours. If the distance from Rontown to Sawburgh is 1700 miles, find the airspeed of the plane (the speed of the

    asked by jon on February 8, 2012
  65. Math grade 6

    3rectangular metal blocks,8 cm long, 6 cm wide & 5 cm high, were placed in an empty rectangular glass tank.water was then poured in until it reached a height of 10 cm. Another 5 similar blocks were put into the water so that it reached the brim of the

    asked by Peach on February 28, 2017
  66. Science

    PLEASE HELP IM STUDYING FOR STATE TESTING IN 1 WEEK AND HAVE NO SCIENCE TEXTBOOK IF A 6TH GRADE CONNEXUS STUDENT HAS A ONLINE TEXTBOOK PLEASE SEND THE LINK I CANT FIND ONE FOR THE CONNEXUS SUBJECTS PLEASE PLEASE HELP. I KNOW STATE TESTING DOSENT EFFECT

    asked by Emily on May 15, 2019
  67. pre calculus

    32% of a particular radioactive substance disappears in 227 years. Part 1: Find the decay constant. Your answer must be correct to five decimal places. Part 2: Determine the time T in years required for 93% of the substance to disapper. Your answer must be

    asked by Morgan on July 6, 2015
  68. GEOMETRY LATERAL AND SURFACE URGENT (PLEASEHELP)

    1.A RECTANGULAR BOX IS TO BE PAINTED ON ALL ITS SIDES. IF THE BOX IS 15 DM LONG, 12 DM WIDE AND 6 DM HIGH. HOW MUCH SURFACE IS TO BE PAINTED ? 2. IF EACH SIDE OF AN OPEN CUBICLE BOX IS 2X+3 CM. FIND ITS TOTAL SURFACE AREA. 3. MICHEAL IS TO MAKE A BOX IN

    asked by Mia on July 9, 2013
  69. physics

    A hollow steel shaft has an external diameter of 120 mm and is 10 mm thick. It is coupled to a solid shaft of the same material, 100 mm in diameter. If the length of the hollow shaft is 960 mm, find the length of the solid shaft, so that the total angle of

    asked by Anonymous on May 18, 2013
  70. Physics B

    A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are placed on the coordinate system as follows: a 1.5 kg object at the origin, a 3.4 kg object at (0 m,1.8 m), and a 4.5 kg object at (4.2 m,0 m). Find the

    asked by Mary on November 4, 2012
  71. physics

    A 0.395-kg blue bead slides on a frictionless, curved wire, starting from rest at point in the figure below, where h = 1.50 m. At point , the blue bead collides elastically with a 0.650-kg green bead at rest. Find the maximum height the green bead rises as

    asked by Alex on October 18, 2012
  72. Chemistry

    When 50 grams of hydrocarbon X are burned with oxygen the products are carbon dioxide and water. If 65 grams of water and 100 grams of carbon dioxide are produced, how many grams of oxygen were needed for the reaction? This was a question on my chemistry

    asked by Ryan on February 28, 2016
  73. calculus

    Consider the given function. f(x) = 3 sin(6x) text(, ) 0

    asked by Justin on January 18, 2008
  74. ALGEBRA 2

    the airline cost for x thousand passengers to travel round trip from nyc to atlanta is given by C(x)= radical 0.3x+1 where C(x) is measured in millions of dollars and x> 0. find the airline's cost for 15,000 passengers (x=15) to travel from new york to

    asked by student on February 17, 2013
  75. calculus

    Consider the given function. f(x) = 3 sin(6x) text(, ) 0

    asked by Justin on January 18, 2008
  76. math

    It is known that the number of people who enter a bank during a time interval of t minutes is a Poisson random variable with the parameter t. The bank opens at 8am and you arrive at the bank at uniformly random time between 8am and 9am. Let X be the

    asked by hsuan on May 3, 2013
  77. math prob

    It is known that the number of people who enter a bank during a time interval of t minutes is a Poisson random variable with the parameter t. The bank opens at 8am and you arrive at the bank at uniformly random time between 8am and 9am. Let X be the

    asked by hsuan on May 4, 2013
  78. math

    It is known that the number of people who enter a bank during a time interval of t minutes is a Poisson random variable with the parameter t. The bank opens at 8am and you arrive at the bank at uniformly random time between 8am and 9am. Let X be the

    asked by hao on May 3, 2013
  79. ALGEBRA 2

    the airline cost for x thousand passengers to travel round trip from nyc to atlanta is given by C(x)= radical 0.3x+1 where C(x) is measured in millions of dollars and x> 0. find the airline's cost for 15,000 passengers (x=15) to travel from new york to

    asked by student on February 17, 2013
  80. statistics

    A researcher wants to study the spending habits of customers of a local shopping mall. The mall manager claims that the average spending per customer is $70, but the researcher believes that the average is less than $70. A simple random sample of 350

    asked by James on October 13, 2012
  81. physics

    This is the situation I have been given: You are given three capacitors, one with a capacitance of 0.025 micro-farads, another with a capacitance of 0.05 micro farads, and the third with a capacitance of 0.015 micro-farads. Using only these capacitors,

    asked by Rachel on October 11, 2012
  82. statistics

    Scores on the GRE​ (Graduate Record​ Examination) are normally distributed with a mean of 541 and a standard deviation of 101. Use the 68-95-99.7 Rule to find the percentage of people taking the test who score between 238 and 844 The percentage of

    asked by eric on December 8, 2016
  83. Chemistry

    ZN(s) + 2H+(aq) produces ZN2+(aq) +H2(g) A sample of Zinc is placed in the ice calorimeter. if 0.0657g of Zinc causes a decrease of 0.109ML in the ice/water volume of the calorimeter, what is the enthalpy change, per mole of Zinc, for the above reaction

    asked by Temmick on October 6, 2013
  84. Physics

    A helicopter is flying in a straight line over a level field at a constant speed of 6.2 m/s and at a constant altitude of 11.3 m. A package is ejected horizontally from the helicopter with an initial velocity of 14.0 m/s relative to the helicopter, and in

    asked by Dave on June 9, 2013
  85. physics

    A monochromatic light illuminates a double slits system with a slit separation, d =0.3 mm. The maximum of the first order occurs at y = 4.0 mm on a screen placed at 1.0 m from the slits. Find the: a)Wavelength b)Distance between the central maximum and the

    asked by aiman on August 15, 2015
  86. math 115

    1. find the square root 121= 11 11*11=121 is this correct? 2.carlos works 8.25h. and receives $102.30 pay. what will he receive at the rate if he worked 14h?= carlos rate of pay is $12.40 per h. $173.60 is this correct? 3. write 0.672 as a percent. 67.0%

    asked by Lea on September 6, 2009
  87. algebra

    Marvin is comparing two different music websites. Website A charges $10 per month for a subscription and $0.25 per song. Website B has no subscription fee, and all songs cost $0.75. Which equation would you solve to find the number of songs, s, that Marvin

    asked by ever on June 18, 2018
  88. Statistics

    The points of 100 children in a test are normally distributed with mean of 25 points and a standard deviation of 10 points. (a)Given that the passing mark is 20, estimate the number of children who passed the test. (b)If 5.59% of the children obtain a

    asked by John on October 15, 2014
  89. math

    A researcher wishes to estimate the proportion of college students who cheat on exams. A poll of 560 college students showed that 27% of them had, or intended to, cheat on examinations. Find the 95% confidence interval. A. 0.2323 to 0.3075 B. 0.2325 to

    asked by Jenny K on September 15, 2015
  90. college physics

    Superman must stop a 190-km/h train in 180m to keep it from hitting a stalled car on the tracks. part a)If the train's mass is 3.8×10^5kg , how much force must he exert (find the magnitude)? part b)Compare to the weight of the train (give as %). partc)

    asked by john on April 29, 2012
  91. testing of materials

    How do I solve these two problems ? 1.The mass of a quantity of is 32.7 g. What is it's volume in cm raised to the third power ? 2.The volume of a quantity of water is 0.42 cm raised to the third power. Find its mass in g.

    asked by Michael on February 5, 2011
  92. math

    In A Year, Seema Earns RS 1,50,000. Find The Ratio Of Money That Seema Earns To The Money She Saves And Money That She Saves To The Money She Spends?

    asked by naisha on December 19, 2009
  93. math

    The width of the rectangle is half its length and the perimeter is 42m.caculate the area of the rectangle.find the width and length of perimeter and area.

    asked by anna on January 12, 2012
  94. math

    The cost of refreshments (in dollars) is a function, h, of the number of people served, n. If h(n)=100/9n, find the number of dollars it would cost for refreshments for 27 people.

    asked by Gane on December 14, 2013
  95. math

    The ratio of a quarterback’s completed passes to attempted passes is 7 to 9. If he attempted 45 passes, find how many passes he completed. Round to the nearest whole number if necessary. A. 9 passes B. 58 passes C. 5 passes D. 35 passes D?

    asked by bev on June 11, 2017
  96. statistics

    In a bowling league, the probability that the uniforms are all 1 color is 0,45, that 2 colors are used is 0.35, and that 3 or more colors are use is 0.20. if a sample of 12 uniforms is selected, find the probability that 5 contain only 1 color, 4 contain 2

    asked by Michelle on May 16, 2011
  97. math

    1.) when the expression 4x^2-3x-8 is divided by x-a, the remainder is 2. find the value of a. 2.) the polynomial 3x^3+mx^2+nx+5 leaves a remainder of 128 when divided by x-3 and a remainder of 4 when divided by x+1. calculate the remainder when the

    asked by Nialleen on August 4, 2014
  98. Algebra

    The charge to rent a trailer is $20 for up to 2 hours plus $8 per additional hour or portion of an hour. Find the cost to rent a trailer for 3.2 hours, 4 hours, and 7.6 hours.

    asked by Keisha on February 17, 2017
  99. college algebra

    find the complex zeros of the polynomial function. write f in factored form. use complex zeros to write f in factored form f(x)= x^3-6x^2+21x-26

    asked by Bella on August 24, 2012
  100. precalc

    Find the standard form equation for each ellipse described. 1) Major vertices at (0, 3) and (0, -3), minor vertices at (2, 0) and (-2, 0) 2) Major vertices at (7, 0) and (-7, 0), foci at (5, 0) and (-5, 0) 3) Minor vertices at (-2, -3) and (-2, -11), foci

    asked by jean on December 8, 2015

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