# Questions Asked onAugust 10, 2014

1. ## 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

2. ## 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.

3. ## 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.

4. ## 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?

5. ## 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.

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

7. ## physics

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

8. ## 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

9. ## 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

10. ## 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?

11. ## 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

12. ## 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

13. ## 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

14. ## physics

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

15. ## 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.

16. ## 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

17. ## 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?

18. ## 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) =

19. ## 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

20. ## 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?

21. ## 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

22. ## 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

23. ## 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

24. ## 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

25. ## Math

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

26. ## Math

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

27. ## math

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

28. ## math

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

29. ## 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?

30. ## 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

31. ## 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

32. ## 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

33. ## 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

34. ## Algebra

Graph 4x + 3y =-3

35. ## 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

36. ## English

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

37. ## 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?

38. ## 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

39. ## 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.

40. ## Analytic Geometry

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

41. ## 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..

42. ## 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

43. ## 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

44. ## 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

45. ## 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

46. ## 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

47. ## 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?

48. ## 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

49. ## math

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

50. ## 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.

51. ## chemistry

express the following in exponential notation : (a) 0.0030

52. ## 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

53. ## 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)

54. ## 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

55. ## 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

56. ## 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

57. ## 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

58. ## 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?

59. ## Math

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

60. ## 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?

61. ## 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.

62. ## 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)

63. ## 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

64. ## 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

65. ## 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

66. ## 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

35. If 1

68. ## 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

69. ## sociology

explain The impact of preventive medicine and public health

70. ## 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?

71. ## 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

72. ## 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?

73. ## 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

74. ## 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

75. ## 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,

76. ## 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.

77. ## 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?

78. ## maths

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

79. ## 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