Questions Asked on
August 10, 2014

  1. physics

    a 62.0kg bungee jumper jumps from a bridge. she is tied to a bungee cord whose unstretched length is 12.0 m and falls a total of 31m a) calculate the spring constant k of the bungee cord and b) calculate the maximum acceleration she experiences.

    asked by kristen
  2. Algebra

    A cookie company uses one cup of sugar for every 35 cookies it makes. Let represent the total number of cups of sugar used, and let represent the number of cookies made. Write an equation relating to , and then graph your equation using the axes below.

    asked by Gena
  3. Algebra

    I need help trying to put the correct vocabulary words when solving this problem such as grouping, factor, prime factor, GCF, and perfect square, and please check and see if I am doing this correctly. 15x^2+31x+2 In my last problem I will be using the

    asked by Lisa
  4. Accelerated Algebra

    it takes 80 feet of fencing to enclose your garden. According to your calculations,you will need 350 square feet to plant everything you want. Is your garden big enough? Explain your answer. They gave a rectangle length=40-x and width= x I asked my mom and

    asked by Lily
  5. College Chemistry II

    What is the solubility of ZnCO3 at 25C in a buffer solution with a pH of 10.21? ZnCO3 Zn++ + CO3 – - CO3-- + H2O ----> HCO3- + OH- pOH = 14 – 10.21 = 3.79 [OH-] = 1.62x10^-4 M = [CO3--] = [Zn++] Ksp = [Zn++][CO3-] = (1.62x10^-4)( 1.62x10^-4) =

    asked by Monica
  6. maths

    The Cooking Club made some pies to sell at a basketball game to raise money for the new math books.The cafeteria contributed four pies to the sale.Each pie was then cut into five pieces and sold.The were a total of 60 pieces to sell.How many pies did the

    asked by peter
  7. Physics

    While sitting on a tree branch 11m above the ground, you drop a chestnut. When the chestnut has fallen 2.7m , you throw a second chestnut straight down. What initial speed must you give the second chestnut if they are both to reach the ground at the same

    asked by Anonymous
  8. physics

    Two boat landings are 8.0 km apart on the same bank of a stream that flows at 2.8 km/h. A motorboat makes the round trip between the two landings in 50 minutes. What is the speed of the boat relative to the water? I think it is something along the lines of

    asked by Delilah
  9. physics

    an object moving on the x axis with a constant acceleration increases its x coordinate by 108 m in a time of 9.5 s and has a velocity of 20 m/s at the end of this time. Determine the acceleration of the object during this motion?

    asked by chris
  10. physics

    A ball hits a wall horizontally at 6.0 m/s. It rebounds horizontally at 4.4 m/s. The ball is in contact with the wall for 0.040 s. What is the acceleration of the ball?

    asked by Harsh Kummmar Singh
  11. physics

    Ball A is dropped from the top of a building of height h at the same instant that ball B is thrown vertically upward from the ground. When the balls collide, they are moving in opposite directions, and the speed of A is twice the speed of B. At what height

    asked by Jessica
  12. statistics

    Suppose that on a certain examination in advanced mathematics, students from University A achieve scores which are normally distributed with a mean of 625 and a variance of 100, and that students from University B achieve scores which are normally

    asked by Anonymous
  13. math

    a piece of wire 12 meters long is cut into two pieces.one piece is bent into the shape of an equilateral triangle and the other into the shape of a circle.how should the wire be cut so that the combined area of the two figures is as small as possible?

    asked by jun gajetos
  14. AP Stats

    transformation necessary to linearize the data. Be sure to convince me that you understand.

    asked by Hep
  15. Math

    find the volume of iron require to make an open box whose external dimensions are 36 cm * 25cm* 16.5 cm and 1.5 cm thick throughout. if 1 cm3 of iron weighs 8.5 grams, find the weight of the empty of box in kilograms..

    asked by Abhay
  16. Algebra

    I need help trying to put the correct vocabulary words when solving this problem such as grouping, factor, prime factor, GCF, and perfect square, and please check and see if I am doing this correctly. 15x^2+31x+2 In my last problem I will be using the

    asked by Lisa
  17. physics

    A stone is projected vertically upwards with a velocity 10m/s .Find the maximum height reached by the body (g=10m/sec)

    asked by yasaswani
  18. Teaching in Early Childhood Programs,

    Trey is a four-year-old with Down syndrome in your class. To support him in cleaning up his space after snack, which of the following should you avoid doing? A. Repeat expectations, such as "Your napkin goes in the trash." B. Conceal your feelings about

    asked by daniela
  19. PHYSICS

    A dockworker applies a constant horizontal force of 71.0N to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance 10.0m in a time of 5.50s . If the worker stops pushing after 5.50s

    asked by JADE
  20. College Chemistry II

    What is the pH of rainwater at 30C in which atmospheric Co2 has dissolved, producing a constant [H2Co3] of 1.40x10^-5 M? Take into account the auto ionization of water. Im very confused on how to even start this problem

    asked by Monica
  21. Economy Essay Outline/Structure Help

    I'm writing a synthesis paper about why we should utilize middle-out economics (basically economics that focus on the middle class) I'm very new to the topic so I don't want to spread myself too thin or dive into something I don't know too much about. I'm

    asked by Tyler
  22. PHYSICS

    Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 62.0∘. Dog A exerts a force of 270N , and dog B exerts a force of 302N . Find the magnitude of the resultant force. Find the angle the resultant force makes with the

    asked by JADE
  23. math

    4. How many positive integers less than 100 are divisible by 3,5,7? A.None B.One C.Two D.Three E.Four

    asked by philp
  24. math

    In a high school, 30% of student take physics, 15% of students take chemistry. The rest of students are taking biology. What is minimum student taking biology? A.7 B.8 C.9 D.10 E.11

    asked by rabie
  25. Algebra

    Find the present value, using the present value formula and a calculator. (Round your answer to the nearest cent.) Achieve $225,500 at 8.55% compounded continuously for 8 years, 125 days.

    asked by HOLLY
  26. Math

    Adult tickets for a play cost $18 and child tickets cost $12. If there were 20 people at a performance and the theatre collected $246 from ticket sales, how many adults and how many children attended the play?

    asked by jyt
  27. fraction

    when a fraction is reduced to its lowest term, it is equal to 3/4. The numerator of the fraction when doubled would be 34 greater than the denominator. Find the fraction.

    asked by Kissi
  28. Chemistry

    Calculate the adiabatic flame temperature of burning CH4 (g) at 1 atm when burned with 50% excess air, and the reactants enter at 25oC. Standard heat of formation: Ch4: Hr = -49.963kj/mol CO2: Hr = - 393.25 kJ/mol H20(g) : Hr = - 241.835 kj/mol Heat

    asked by nishka
  29. physics

    a storage battery of emf 8V internal resistance 1 ohm is being charged by a 12 V d.c source using a 15 ohm resistor in series in the circuit. Calculate the current

    asked by mowgli
  30. Question?

    do you think gender roles are produced by gender stereotypes, or vice versa? I personally feel that gender roles produce gender stereotypes . What do you think

    asked by Amanda
  31. physics

    A person walk up a stalled escalator in 90sec.when standing on the same escalator now moving,he is carried in 60 sec.the time he would take to walk up the moving escalator will be.

    asked by aisha
  32. maths

    Beth is two years older than Julio.Gerald is twice as old as Beth.Debra is twice as old as Gerald.The sum of their ages is 38.How old is Beth? (1)2 (2)3 (3)5 (4)6 (5)8

    asked by peter
  33. physics

    a car with a mass of 900kg and a car with a mass of 2000kg collide. one car is moved away from the impact point as one mass at 16.0m/s in the direction 24 degrees west of south. what was the initial speed of each car prior to the collision?

    asked by kristen
  34. maths

    In a tree digit number, the tens digit is thrice the units and the hundred digit its time the unit digit .also the sum of its digit is16 .find the number.

    asked by nishant
  35. Teaching in Early Childhood Programs,

    Trey is a four-year-old with Down syndrome in your class. To support him in cleaning up his space after snack, which of the following should you avoid doing? A. Repeat expectations, such as "Your napkin goes in the trash." B. Conceal your feelings about

    asked by daniela
  36. physics

    Two boat landings are 3.0 km apart on the same bank of a stream that flows at 1.6 km/h. A motorboat makes the round trip between the two landings in 50 minutes. What is the speed of the boat relative to the water? How do I factor in the fact that velocity

    asked by Sally
  37. Math

    In mr.kingmans math class four fifths of the stundents earned an a on their math exam.the rest of the class earned a b .what percent of the class earned an a ? WhAt percent of the class earned a b

    asked by Jade
  38. teaching in early childhood programs

    Which of the following is the most essential characteristic of good activity-plan objectives? A. They relate to the theme of the day. B. They can be stated in just a single word. C. They are always fun for children to do. D. They describe child behavior or

    asked by daniela
  39. Algebra

    Assume the car can be purchased for 0% down for 60 months (in lieu of rebate). A car with a sticker price of $42,900 with factory and dealer rebates of $5,100 (a) Find the monthly payment if financed for 60 months at 0% APR. (Round your answer to the

    asked by HOLLY
  40. English

    Why was William Golding so uncertain about his book Lord Of The Flies?

    asked by Bea
  41. maths

    Find the vector eqn of the plane through the points (2,1,-1) and (-1,3,4) and perpendicular to the plane x-2y+4z=10

    asked by abhishek
  42. calculus

    A person's temperature is f (t) degrees Fahrenheit t days after the start of a ten-days sickness and f(t)=98.6+1. 2t-0.12t^2, 0 is less than or equal to t, and t is less than or equal to 10. find the rate of change of the temperature when the person has

    asked by KZAA
  43. Algebra

    I also need you to check and make sure that I am using the FOIL method correctly for this problem. #82). 9w-w^3 9w-w^3=w*(w^2-9) I have to factor out the GCF, which is “w”. 9-w^2=3^2-w^2= (3-w) (3+w) = (3-w) (w+3) 3-w=-(w-3) (3-w)(W+3)=-(w-3) (w+3)

    asked by Lisa
  44. Math

    solving using the elimination method 2r-7s=-6 7r_2s=32

    asked by Keya
  45. math

    solve using any appropriate method 0.05x+0.25y=99 0.15x+0.05y=108

    asked by Keya
  46. Analytic Geometry

    A square is a quadrilateral with four equal sides. The area of a square is equal to square of its sides. The diagonal of a square is a line segment joining any two non-consecutive side. Find the area of a square and the length of its diagonal whose

    asked by Jnr John
  47. physics

    If you heat a thin circular ring in a oven, does the rings hole get larger or smaller.why?

    asked by vignesh
  48. calculus

    the volume V of a right circular cone of height h=8 feet and radius r feet is V=V(r)=2pier^2. If r is changing, find the instantaneous rate of change of the volume V with respect to the radius r at r=4.

    asked by KZAA
  49. Algebra

    I also need you to check and make sure that I am using the FOIL method correctly for this problem. #82). 9w-w^3 9w-w^3=w*(w^2-9) I have to factor out the GCF, which is “w”. 9-w^2=3^2-w^2= (3-w) (3+w) = (3-w) (w+3) 3-w=-(w-3) (3-w)(W+3)=-(w-3) (w+3)

    asked by Lisa
  50. what does this mean?

    This is business law class, the question is An employee of a self-service liquor store watched Lee pick up two bottles of cognac worth $25 each. Lee concealed one of the bottles in his pants and held the other in his hand. When approached by the employee,

    asked by Jenny
  51. Math

    At a T.I concert, the ratio of the number of girls to the number of boys is 2:7. If there are 250 more boys than girls, how many girls are at the concert?

    asked by Tristan
  52. math

    If v,w,x,y, and z are consecutive multiples of 3, counting from smallest to largest. What is the value of v-w-x+y in terms of z? A.4z-4 B.-12 C.-30 D.0 E.4z

    asked by vincent
  53. Math

    solving using the elimination method 0.3x-0.2y=4 0.2x+0.3y=5/23

    asked by Janelle
  54. statistics

    Use the given sorted values below which are the numbers of points scored in the Super Bowl for a recent period of 24 years. 36 37 37 39 39 41 43 44 44 47 50 53 54 55 56 56 57 59 61 61 65 69 69 75

    asked by Brian
  55. physics

    Two boat landings are 8.0 km apart on the same bank of a stream that flows at 2.8 km/h. A motorboat makes the round trip between the two landings in 50 minutes. What is the speed of the boat relative to the water?

    asked by Thomas
  56. math

    Transcriptionist B is a full-time employee earning $10.00 per hour and an annual salary of $20,800. He transcribes 900 lines per day for a total of 234,000 lines per year. What is the unit medical transcription labor cost for transcriptionist B? Round to

    asked by Anonymous
  57. Algebra

    The plans for a she'd call for a rectangular floor with a perimeter of 276ft. The length is two times the width. Find the length and the width

    asked by Pam
  58. English / Grammar

    Please help me word this sentence correctly: At its zenith, the depression saw nearly 25 percent of all workers and 37 percent of all non-farm workers completely out of work. I'm trying to say that at the peak of the depression, that's how many people were

    asked by Tiffany
  59. math

    how many different rectangles having an area of 81 square centimeters can you draw if the length and width have an integral value?

    asked by Jose
  60. english 1511

    Correct the following sentences for subjective-verb agreement,tenses and fragments. 1My car it is very beutiful 2When he thought he could afford to pay his own school fees 3this students keep makin noise 4when I was young,use to love playin with dolls 5im

    asked by ntokozo
  61. English 1511

    Following sentences for subject-verb agreement,tenses and fragments. 1Going home now,how I wish could get there before it starts to rain 2Everyone have a right to live happily ever after. 3These are great news indeed ;I can't believe I made it 4In 1990,he

    asked by ntokozo
  62. math

    In one year what percent of your time is spent in school? Year=365 days School year=180 days I know that the answer is a little bit over 50%, but I am not too sure about the exact answer.

    asked by anonymous
  63. math

    35. If 1

    asked by Rabie
  64. maths

    In a list of numbers that starts with the number 13, every number is 4 less than twice the number that comes just before it.What will the fifth number in the list be?

    asked by peter
  65. math

    solve using any appropriate method 10x+y=278 10y+x=107

    asked by Keya
  66. Algebra

    Graph 4x + 3y =-3

    asked by Gena
  67. math

    What is the value of 4^5 + 4^5 + 4^5 + 4^5 + 4^5 + 4^5 + 4^5 + 4^5 + 4^5 + 4^5 + 4^5 + 4^5 ? a. 12 x 2^5 b. 24^5 c. 3 x 2^5 d. 4^60 e. 3 x 4^6 please answer and explain

    asked by thomas
  68. Geography

    If you were to dig a hole all the way to the center of the Earth and back where would you end up if you were in Indonesia? Mexico? South America?

    asked by Vitaly
  69. Analytic Geometry

    f (1, -2) is equidistant with (4, 4) and (x, 4), find x.

    asked by Jnr John
  70. chemistry

    express the following in exponential notation : (a) 0.0030

    asked by Madaliso
  71. English

    Give the correct form of the verb in brachets 1.my mother often (wish) for more money. 2.my parents always(discuss) their finances with each other. 3.Each month i (draw) up my budget. 4.i (calculate) my savings at this very moment. 5.while my brother

    asked by Lesedi
  72. Math

    expression that is equivalent to -6(x - 3).

    asked by Anonymous
  73. Math

    A line passes through the points (-10,-4) and (-1,2). What is the slope of the line that passes through the two points?

    asked by Anonymous
  74. math

    3. Nancy can make 5 bags per hour. Sue cna make 6 bags per hour, and Ned can make 12 bags per hour. If Nancy and Sue make 12 bags per hour, and then Ned joins them, how many minutes will it take them to make 149 bags? A.227 B.300 C.360 D.420 E.480

    asked by philp
  75. math

    10.If the average of four positive integers is 12, what is the largest possie value of one of those integers? A.35 B.37 C.40 D.42 E.45

    asked by philp
  76. math

    If n is positive and n^2=57, between which two number does n lie? A.5 and 6 B.6 and 7 C.7 and 8 D.8 and 9 E.9 and 10

    asked by Rabie
  77. ethics

    Which of the skills that Phil Connors (Bill Murray) learns in the course of his time in the Groundhog Day loop would be considered a “practice” according to MacIntyre’s account? Is it Playing piano?

    asked by Darcy Deagan
  78. sociology

    explain The impact of preventive medicine and public health

    asked by kay
  79. chemistry

    f 8.77 g of KI are dissolved in enough water to make 4.75 L of solution, what is the molarity of the solution?

    asked by molly
  80. maths

    y .(8,5) (3,1) . .(7,1) 0 x What is the area of the triangle in the figure above?

    asked by peter
  81. java

    write a program thatprint on secreen the reselt of the following series: d=1+2/x^2+3/x^3+.....r/x^r . thanks

    asked by ahmad