# Questions Asked onAugust 20, 2009

1. ## MATH Prob.

There are 8 members on a board of directors. If they must form a subcommittee of 3 members, how many different subcommittees are possible?

2. ## Economics

Explain how each of the following people would talk about scarcity and trade-offs. a) The President of the United States: b) The leader of a developing nation. c) A U.S. citizen whose income is in the top one percent. d) A U.S. citizen whose income is in

3. ## Physics

this one is kind of hard A bicyclist can coast down a 7.0 degree hill at a steady 9.5 h^-1 km. If the drag force is proportional to the square fo the speed v, so that Fd = cv^2, calculate (a) the value fo the constant c and (b) the average force that must

4. ## Physics

A 4.0 kg block is stacked on top of a 12.0 kg block, whcih is accelerating along a horizontal table at a = 5.2 s^-2 m. Let Mu k = Mu s = Mu. (a) What mininum coefficent of friction Mu between the two blocks will prevent the 4.0 kg block from sliding off?

1. Many useful tools are made from metal. 2. Steel is an important metal for buildings and tools. 3. An iron bar will rust over time. 4. Oxygen from the air mixes with the metal. 5. That orange deposit on the outside surface is called rust. 1.

6. ## Math

If the hypotenuse of a right triangle is 13 and one of its legs is 5, find the area fo the triangle. Answer Choices 20 40 45 30 25 I know a hypotenuse the side of a right triangle opposite the right angle. You can't multiply the hypotenuse with one of the

7. ## Physics

I need help h t t p : / / w w w .j i s k h a . c o m/ d i s p l a y . c g i ? i d = 1 2 5 0 8 1 6 5 0 6 Don't know how to do that one or this one h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d =1 2 5 0 8 1 5 4 2 0 Thanks!!!

8. ## Physics

ok part (b) A 4.0 kg block is stacked on top of a 12.0 kg block, whcih is accelerating along a horizontal table at a = 5.2 s^-2 m. Let Mu k = Mu s = Mu. (a) What mininum coefficent of friction Mu between the two blocks will prevent the 4.0 kg block from

9. ## Math 117

1.) A rectangular solid and a circular cylinder have the same volume and the same height. The base of the rectangular solid is a square. Which (if any) of the following statements are true? (i) The rectangular solid and the cylinder have the same base

10. ## MATH Prob.

There are 6 contestants in a singing competition. How many different ways can first, second, and third place be awarded?

11. ## physics

How are you able to determine if conservation of momentum occurs in each collision?

12. ## MATH Prob.

What is the expected value of one 700 tickets in a raffle for a prize of \$1400?

13. ## accounting

Can somebody please help me understand what this is wanting? CheckPoiint: Analyzing an Income Statement. Resource: Ch. 3 of Understanding Financial Statements Complete Problem 3.16b on p. 111 (Ch. 3).Eastman Kodak Comprehensive Analysis Problem Using the

14. ## Math

The range of the function y = 3 sec x - 2 is what?

15. ## Geometry

15.) Find the volume of a barber's pole having the shape of a right circular cylinder of radius 5 in. and height 29 in. topped by a sphere of the same radius. Round to the nearest tenth, if necessary. A) 2276.5 in.3 B) 2799.8 in.3 C) 1046.7 in.3 D) 4553.0

16. ## arabic

can someone please tell me what haqibah means in english? it is an arabic word. i think it means suitcase but i'm not sure i've searched it on google but i didn't find my answer i have to teach it to a student, please help me as soon as possible thanks

17. ## AP World History

Who can compare&contrast North American racial ideologies with Latin American/Caribbean racial ideologies from the years 1500-1830? Where can I get information about this topic?

18. ## GEOMETRY

Does the following condition ensure that a quadrilateral is a parallelogram? Both pairs of opposite sides are congruent. yes or no

19. ## Physics (Algebra Bit)

I still need help on my other question as well... A runner hopes to complete the 10,000 m run in less than 30.0 min. AFter running at constant speed exactly 27.0 min there are still 1100 m to go. The runner must then accelerate at .20 s^-2 m for how many

20. ## MATH Prob.

When a single card is drawn from an ordinary 52-card deck, find the odds in favor of getting the 4 of spades.

21. ## MATH Prob.

How many different ways can a teacher line up 5 students for lunch?

22. ## .. need help with this question asap pls

a vending machine dispenses coffee into an eight -ounce cup. The amount of coffee dispensed into the cup is normally distributed with sd 0.02 ounce . you can allow the cup to overfill 5% of the time .What amount should you set a mean amount of coffee to be

23. ## History

Can you give me some web sites were, I can find this information at? How did George Washington John Adams and Thomas Jefferson affect the powers of the presidency?

That orange deposit on the outside surface is called rust. Is the correct answer deposit---simple subject is--simple predicate

25. ## Math

The legs of an ironing board are equal in length and bisect each other at the point where they cross. What generalization about parallelograms ensures that the ironing board will always be parallel to the floor, regardless of the height of the board above

26. ## Statistics

Can any one help me with this? ThermoStar has been producing residential thermostats for over 50 years. Looking over the past 20 quarters (5 years) of the different product lines, the general manager has been trying to get a handle on sales, costs, and

27. ## English

That orange deposit on the outside surface is called rust. deposit---simple subject is---simple predicate

28. ## math!

hi im lauren and i have a big math test tomorrow(7th grade) and i need 2 know wht interval means. And i need the expalnation 2 be so simple that a little kid can understand it. lol. Can someone answer like in the next 10 mins plz! thx!! hurry peeps!!lol

29. ## Algebra

Janet invested \$26,000, part at 6% and part at 3%. If the total interest at the end of the year is \$1,080, how much did she invest at 6%?

30. ## physics

ok Boxes are moved on a converyor blet from where they are filled to the packing station 10m away. The belt is initially stationary and must finish with zero speed. The most rapid transit is accomplished if the belt accerlates for half the distance, then

31. ## Physics

There is an electric field in a certain region that is defined as E=axihat, a is N/C and x is defined by the position in meters. What is the volume charge density in the region. So far I did 32p=(32)(8.85*10^-12) I got 3.54*10^-10, where did I go wrong?

32. ## GEOMETRY

A quadrilateral is a _________ if and only if all of its sides are congruent and its diagonals are congruent

33. ## Physics

Determine a hypothesis for the given collisions by answering the following question. Which collisions will experience conservation of momentum? I really do not understand what to do!

34. ## geometry

What is the relationship between the measure of a central angle of a polygon and the measures of an interior and an exterior angle of the polygon?

35. ## Physics

when resolving gravity into components Fg (x component) = Fg sin theta when you get the units you get Newton times a degree how come we just ignore the degree for example if it was 9 N you wouldnt say 9 N (degrees) why not? How do the degrees just

36. ## math

How many times does the number "9" appear in the page numbers of a 100-page newspaper? Choose from the possible answers below. ( )9 ( )10 ( )15 ( )19 ( )20 ( )21 Unless this is a trick question that I have missed, there should be 11 times that the number

37. ## art

Select one of the essays from the Examples of Effective Conclusions section in Effective Introductions and Conclusions. Which article did you choose? What kind of conclusion does the writer use? What is the impact of that kind of conclusion in this essay?

38. ## Discussion Question 2

Select one of the essays from the Examples of Effective Conclusions section in Effective Introductions and Conclusions. Which article did you choose? What kind of conclusion does the writer use? What is the impact of that kind of conclusion in this essay?

39. ## GEOMETRY

True or false? A quadrilateral can have more than one acute interior angle

40. ## Statistics Hypothsis testing

Am I using the 2-sample T test or ANOVA? Please show all steps. test the claim that μ1 = μ2 Two samples are randomly selected from normal populations. The sample statistics are n1=11,x(bar)=4.8, s1=.76 n2=18, x(bar)=5.2, s2=.51 Assume that σ1 ≠ σ2 -

41. ## economics

Discuss similarities and differences in the roles economists play as policy advisors and as scientists. How would advice offered to policymakers differ depending on which role an economist assumes?

42. ## Economics

What is price elasticity?

43. ## Alg III

Solve each absolute value equation. |x - 3| = 1 Okay here is what I did: x - 3 = 1 x = 4 or x = -4 The book says {2,4} I'm very lost. Can someone help me?

44. ## Alg III AGAIN :)

This one is hard. 5 - |3-2x|/3 = 4 How do I begin to do this? -|3-2x|/3 = -1 -|9-6x| = -3 or -|9-6x} = 3 ????

45. ## Physics

I just need to know how to start this equation because it makes no sense The position of a particle is given by r = (6.0 cos 3.0 t i + 6.0 sin 3.0 t j) meters. Determine (a) the velocity vector, v, and (b) the acceleartion vector, a. (c) What is the parth

46. ## math

Heidi has a brown pair and a gray paper of slacks a brown blouse, yellow blouse and a white blouse and a blue sweater and a white sweater how many different outfits does she have if each outfit she wears consists of slacks a blouse and a sweater?

In the following matrix, you will identify !@#\$%^&quires a specific document to be completed or where the document needs to be filed. You will also give a short description of the document’s purpose in the importing process. Am I correct? letter of

48. ## Statistics

test the claim that μ1 = μ2 Two samples are randomly selected from normal populations. The sample statistics are n1=11,x(bar)=4.8, s1=.76 n2=18, x(bar)=5.2, s2=.51 Assume that σ1 ≠ σ2 Use alpha = .02 I am not sure if this is a 2-sample t test or do I

what is the complete subject , a person must have very good eyesight to work with beads.

50. ## AP world History

What were the basic features of the major world belief systems? (8000 BCE -600 CE) a. Hinduism b. Daoism c. Judaism d. Christianity e. Buddhism

51. ## language atrs

whats the complete subject , artists use a needle and thread to attach beads to clothes.

52. ## physical fitness

the ability of muscles to work over time is called what? the comparison of the weight of your fat to the weight of your muscles, bones, and joints is called?

53. ## MATH Prob.

Determine whether the situation calls for a discrete or continuous random variable. A)the cost of a random selected orange B)the Ph level of shampoo

54. ## math (if someone could show me the working pls)

calculate the difference of the square using the following formula a^2-b^2=(a+b) (a-b) 1)28^2-12^2

55. ## humanities

I need to know how i would get started on how to make a portfolio. I'm needing it for my Humanities class for college

56. ## math

question how would you subtract 1987 - 2014 = the answer i got is -27 or do i switch it

57. ## legal

need help finding civil law cases on car accidents

58. ## Geometry

A designer of a sports field wants to find the length of the diagonal of a square lot that is 240 feet on each side Explain how she can calculate this distance rather than measure it.

59. ## Math

If you begin with a right triangle with sides a, b, and c and decrease the right angle so it is an acute angle, how does compare a^2+b^2 compare with c^2 ?

60. ## Algebra Math 116

How can you tell if a value is a solution to an inequality.

61. ## instrument

Who invented the harp? (or what country it originated from)

62. ## 12th grade expository writing

Can somebody help me with writing?

63. ## Algebra

I am so lost, can you please help? I have the problem 6/t = ?/t squared I do not even know where to start

65. ## MATH

what is the measure of an angle formed by two edges of a stop sign?

66. ## math

x^3 + 4x^2 + 14x + 20 use the root or zero feature of a graphing utility to approximate the zeros of the function accurate to three decimal places. I do not know how to use the root or zero feature on my calculator. If someone could just explain how to do

67. ## math

I've got a problem i need help on. i've got to use digits and other symbols to write the product of 5 and 2 is greater than the sum of 5 and 2 here is what i came up with (5*2) (5+2) i'm not sure what to do next

68. ## math

can someone explain what vertex arrangements are? And how to find them.

69. ## Alg III

Solve each absolute value equation. 3 + |x| = 5 My work: 3 + x = 5 or 3 + x = -5 x = 2 or x = -8 The book says that I am wrong. I do not know why.

70. ## science

16celsius=______farenheit how do i convert this using C=5/9(F-32) or F=9/5(C+32)

71. ## GEOMETRY

True or false? Any two concurrent lines are coplanar

72. ## GEOMETRY

. A parallelogram is a _________ if and only if its diagonals are congruent.

73. ## science

i need science words for shakira

74. ## English--5th

Plastic is hard and durable at the same time, it is lighter than metal. would this be a run on sentence or complete sentence? I think it is run on.

75. ## science

how do we use science as a tool?

76. ## math

x^3 + 4x^2 + 14x + 20 use the root or zero feature of a graphing utility to approximate the zeros of the function accurate to three decimal places. I do not know how to use the root or zero feature on my calculator. If someone could just explain how to do

77. ## Trig Function Question

The y-intercept of the function g(x)=2sin2pi(x-1)+1 is what?

78. ## math

I've got a problem i need help on i need to find the proper comparison symbol the problem is xy yx

79. ## math

(x-2)(x-2)(x-2) I am confused on how to get an equation from this. I know its x^3 but now what?

80. ## chorus

Does anyone have a website I can go to for my to get the lyrics for "Time to Shine" It startsout with, "I may be young but I have great dreams, It's my time to make them come true"

81. ## ap english

in slaughterhouse 5 what is the resolution of Billy being shot before he masters his fate?

82. ## Grade 10 Home economics

define the following fibre characteristics -conduction of heat -texture -lustre -moisture absorbency -strenght -flammability

83. ## -Questions:

describe the differences of family and kin relationships experienced by Indigenous and non-Indigenous Australians. How do these differences impact on the developing individual?

84. ## math

how do you write 28,659,134 in expanded form?

how do you separate the complete and simple subject

early explorers took beads with them to americans. the complete subject is early explorers ?

87. ## algebra

how do you find the logarithmic formula for ammonia

88. ## math

what 75percent of 28

89. ## science

i've got a question that i need help on what problems could occur if scientists didn't communicate the results of their investigations

90. ## sociology

How does sociology help you understand your place in contemporary American society? i need more opinions (other than the ones already given a few days back)