# Questions Asked onOctober 25, 2008

1. ## physics

The sun rotates around the center of the milky way galaxy at a distance of about 30,000 light years (1ly= 9.5*10^15m). if it takes about 200 million years to make one rotation, estimate the mass of our galaxy. Assume that the mass distribution of galaxy is

2. ## Calculus

A rectangular swimming pool is to be built with an area of 1800 square feet. The owner wants 5-foot wide decks along either side and 10-foot wide decks at the two ends. Find the dimensions of the smallest piece of property on which the pool can be built

3. ## math

Suppose that ln2 = a and ln3 = b. Use properties of logarithms to write this logarithm in terms of a and b. ln8

4. ## accounting

Kiddy Toy Corporation needs to acquire the use of a machine to be used in its manufacturing process. The machine needed is manufactured by Lollie Corp. The machine can be used for 10 years and then sold for \$11,000 at the end of its useful life. Lollie has

5. ## Math pizzaz pre algraba

What magic tricj dies Mr.Utterbunk perform ever evening

6. ## College Chemistry

Why must we add sodium bicarbonate (NaHCO3) to DCPIP/DPIP indicator (Dichlorophenol indophenol)when titrating juice for Vitamin C?

7. ## Physics

Two strong magnets on opposite sides of a small table are shown. The long-range attractive force between the magnets keeps the lower magnet in place. Suppose the weight of the table is 26.1 N, the weight of each magnet is 8.99 N, and the magnetic force on

8. ## Physics...not sure what formula to use

A 2.0kg bag is held by a string to the ceiling. A 10g bullet travelling at 200m/s strikes the stationary bag. The height of the bag after the collision is 10cm, assuming there is no friction, determine the speed, in m/s, of the bag after the collision.

i know this might seem kind of long. but if you could please help me, i'd greatly appreciate it. a. suppose you have a tug of war with a friend who is the same size and weight as you are. You both pull as hard as you can, but neither of you seems to be

10. ## Maths - Polar Coordinate Systems

I've received an assignment to investigate the polar coordinate system compared to the cartesian one. Theres a question that asks you to investigate into how to convert polar coordinates into cartesian. From my text book, I know in Polar coordinates, that

11. ## Gen Chemestry

A 27.6 ml volume of chlorine gas is collected over water at 23 C and 750 torr. The mass of the gas is 78.4 mg. The vapor pressure of water is 21 torr. a) What is the pressure of the chlorine gas? b) How volume does the chlorine gas occupy? c) How many

12. ## math

Suppose that ln7 = a and ln8 = b. Use properties of logarithms to write this logarithm in terms of a and b. ln root5(56)

13. ## Science

Help answer this riddle please-- It survives to this very day,it helped T-Rex capture prey. Thanks

14. ## Gen Chemestry

How many pounds of carbon dioxide are produced from burning one gallon of gasoline? assume gasoline is 100%, and the density of octane is .78g/ml.

15. ## Physics

A block slides down a frictionless plane having an inclination of 14.3°. If the block starts from rest at the top and the length of this incline is 1.77 m, find the acceleration of the block.

16. ## math - so confused can you help me

The local fish market is having a sale on whole fish. the prices are as follows: You can buy an albacore and a barracuda for\$21 You can buy a barracuda and a carp for \$32 You can buy a carp and a dogfish for \$32 You can buy a dogfish and an eel for \$37 You

17. ## Psychology

In the nature vs. nurture debate, what are some arguments that side with genetics (nature) being more influential on human development than human environment and experience (nurture)?

18. ## english

In the story "Lamb to the Slaughter", what was Mary Maloney's habits?

19. ## Physics

Jimmy has caught two fish in Yellow Creek. He has tied the line holding the 4.30 kg steelhead trout to the tail of the 1.39 kg carp. To show the fish to a friend, he lifts upward on the carp with a force of 87.7 N. What is the tension of the rope

20. ## math same question as before with new questions to

The local fish market is having a sale on whole fish. the prices are as follows: You can buy an albacore and a barracuda for\$21 You can buy a barracuda and a carp for \$24 You can buy a carp and a dogfish for \$32 You can buy a dogfish and an eel for \$37 You

21. ## Algebra

I am so confused with the rules of exponents. I know them, but I have a hard time applying them because of all the steps. I was wondering if someone would be willing to answer these questions, because I am unsure if my answers are right. x to the third

22. ## math

Express y as a function of x. The constant C is a positive number. ln y = ln x + ln C

23. ## Math

The ratio of seven dimes to three quarters. It wants me to write this ratio in simpliest form. I really need to understand how to do this. I have a few more like this that I have to do. Thank You

24. ## physics

A aeroplane with a mass of 9940 kg completes a vertical loop of radius 155m/s. What normal force does the airplane seat exert on the 92 kg pilot at the top of the loop and at the bottom of the loop?

25. ## Math: unting and permutations

hi all, thanks in advance for the help How many even integers between 4000 and 7000 have 4 different digits? So, started by knowing "even integers" so know the last of the four has to be one of 2,4,6,8 or 0. (this might be the last part of this whole

26. ## physics

A 3.2 kg block sits on a frictionless table that has a hole cut in the middle of it. The 3.2 kg mass is connected to a string that goes through the hole in the table and attaches to a 4.8 kg mass. The 3.2 kg mass moves in a circle of radius 0.2 m How fast

27. ## math

Express y as a function of x. The constant C is a positive number. ln y = 9x + ln C

28. ## english poetry

The poem Tyger Tyger What is it about? thanks tabby xx

29. ## Physics forces

i know this might seem kind of long. but if you could please help me, i'd greatly appreciate it. a. suppose you have a tug of war with a friend who is the same size and weight as you are. You both pull as hard as you can, but neither of you seems to be

30. ## Dog Breeds

Please check my answer thanks What are the two types of hair that make up a dog's coat? A. Outer guard and undercoat B. Under guard and topcoat C. Dense layer and outer layer D. Thick coat and thin layer I think it is B because based on the Anatomy of

31. ## physics

the period of a comet is 100 years. At ists closest approach(perihelion), it is 0.37 AU from the sun. What is the semi-major axis of the comet's orbit? How for does it get from the sun(what is its aphelion distance)?

32. ## Criminal Justice

As a detective with a local law enforcement department, you are one of the first to arrive at the scene of a drive-by shooting, which resulted in the death of a teenage male. The shooting occurred at a corner gas station of a low-income neighborhood. A

33. ## Calculus

Explain the global optimization process for a continuous function over a closed interval. Be sure to identify all steps involved and clearly explain how the derivative is utilized in this process. Does this have to do with the first derivative rule or

34. ## World History

Why were the early cars expensive?

35. ## math

The local fish market is having a sale on whole fish. the prices are as follows: You can buy an albacore and a barracuda for\$21 You can buy a barracuda and a carp for \$32 You can buy a carp and a dogfish for \$32 You can buy a dogfish and an eel for \$37 You

36. ## Algebra

Well someone please help me with this problem!!!!!!!!!!!! From a base elevation of 8200ft. a mountain peak in colorado rises to a summit elevation of 14701ft.over a horizontal distance of 15838 ft. Find the grade of the peak. The grade of the peak is what

37. ## Physics

d. Now you pull your sister across the floor so that she moves with increasing speed (accelerates). Compare the magnitude of the force exerted by you on your sister, with the magnitude of the force she exerts on you. Are they the same or different? If they

38. ## Physics

a)An object on a frictionless surface forms an angle of 27° with the horizontal. The object is pushed by a horizontal external force such that it moves with a constant speed. If the mass of the object is 72.3 kg, calculate the magnitude of the external

39. ## College Physics

Let's say you measure an average acceleration to be 0.3883 ms-2. What is the height (in centimeters) of the riser block? Assume the legs of the track span 1.0000 m and that there is neither friction nor drag. Also assume the block is under one of the legs.

40. ## Biology

For a project, I have to make a food example of Smooth ER. My idea is a cake, frosted with fruit rollup as the smooth er, but that doesn't really show the funciton. (For example, jello shows the function of cytoplasm)

41. ## Physics

Forces of 10.4 N north, 19.7 N east, and 15.3 N south are simultaneously applied to a 3.73 kg mass as it rests on an air table. a)What is the magnitude of its acceleration? b)What is the direction of the acceleration in degrees? (Take east to be 0 degrees

42. ## physics

A aeroplane with a mass of 9940 kg completes a vertical loop of radius 596m with a speed of 155m/s. What normal force does the airplane seat exert on the 92 kg pilot at the top of the loop and at the bottom of the loop?

43. ## algebra - Help!

The local fish market is having a sale on whole fish. the prices are as follows: You can buy an albacore and a barracuda for\$21 You can buy a barracuda and a carp for \$32 You can buy a carp and a dogfish for \$32 You can buy a dogfish and an eel for \$37 You

44. ## com220

Imagine you are talking with a student who does not know how to identify the thesis in this article AIDS in Africa: Dying by the numbers. What suggestions might you propose to help the student understand the task at hand?

45. ## com220

For your final research paper, it will be helpful to include counter-arguments. Did Christensen use any counterarguments in his article? Were they needed to advance his thesis? AIDS in Africa: Dying by the numbers.

46. ## com 140

Write a letter to one party, a memo to one party, and an email to one party. Each communication must be a maximum of 250 words

asked by MIKE SMART
47. ## Calculus (Global Max)

Explain the global optimization process for a continuous function over a closed interval. Be sure to identify all steps involved and clearly explain how the derivative is utilized in this process. Does this have to do with the first derivative rule or

48. ## Dog Breeds

Please check my answer thanks 2. A purebred Maltese has mated with a homeless mutt. The puppies produced will be A. mostly purebreds. B. mixed breeds. C. purebreds. D. pedigreed. I say B

49. ## math

How do i find the input and out put of these numbers input output 25 15 30

50. ## accounting

I NEED HELP; I'M LOST Trader sells 15 units for \$25 each on December 15. Eight of the sold units are from the December 7 purchase and seven are from the December 14 purchase. Trader uses a perpetual inventory system. Determine the costs assigned to the

51. ## Finance

i Craig: I am already having trouble understanding Chapter 6, problem 2 on page 207 of textbook. I am currently on week 3 of the FIN 200 class. The problem reads as follows: If you require a 9 percent return on your investments, which would you prefer? a.

52. ## ENGLISH

I've been given this question for the novel THE GREAT GATSBY and have been stuck on how to answer it for hours. "Boy meets girl...boy loses girl" this novel is merely another love story. to what extentdo you share this opinion of the novel? Im not sure how

53. ## math

An appliance dealer marks up refrigerators 15% (based on cost). If the cost of one model is \$600, what should its selling price be? I'm not very good at percent please help

54. ## Math

write 109 3/4 as a decimal write 0.3246 as a percent

55. ## Pre-Calculus

How do I solve: sin theta = -1 for all real values of theta?

56. ## Geometry

The surface of a cube is painted red and blue, 3 sides of each color. the cube is then cut into 27 equal sized smaller cubes. A: How many cubes have at least 2 sides painted blue? B: How many cubes have at least 1 side painted red?

57. ## math

how many 5-digit palindromes exist? i get 9*10*10*10*9=81000 is this correct? my thinking being that the first and last digit must be 1-9 and the other 3 0-9. thanks again for the time and effort. oh, and if any of you fine folks have the time could you

58. ## science

I am in seventh grade. I need to draw the structure of a lipid, protein, carbohydrate. Is there a simple way to draw these? Thank you.

59. ## geometry

What solid figure do u get when u rotate a right triangle about 1 of it's leg?

60. ## Spanish

When do you use Ser vs Estar? is there some kind of memory tool I can use?

61. ## Dog Breeds

Please check my answer thanks 1. Which of the following dogs would be best suited for an elderly man who lives in a high-rise building, has two cats, and adores tiny breeds? A. Chihuahua B. Pomeranian C. English Toy Spaniel D. Silky Terrier I say A

62. ## Algebra--Really need help!

Here is the problem that I need to solve: y = ab - ac ² (that is a second power symbol if you can't tell). I need to solve the problem for a. Thank you!

63. ## english

do you think that ease does not callenge us and that we need adversity to help us discover who we are?

64. ## math

how do i do distributive property math problem ?

65. ## language and Diversity

How do schools meet the needs of the ELL students without breaking state laws?

66. ## Geometry

The surface of a cube is painted red and blue, 3 sides of each color. the cube is then cut into 27 equal sized smaller cubes. A: How many cubes have at least 2 sides painted blue? B: How many cubes have at least 1 side painted red?

67. ## History

Do you agree with Darwin's idea of natural selection. Why or why not. Give minimum of 3 examples. thanx

68. ## Math

The electricity costs of a business increased from \$18,000 one year to \$19,000 the next. To the nearest whole percent, what was the rate of increase?

69. ## Book Report Poster

Where can I find "How to do a Book Report Poster".

70. ## Algebra

Here is the problem that I need to solve: y = ab - ac (to the second power). I need to solve the problem for a. Thank you!

71. ## physics

a 9.9*10^23 kg planet orbits a star in a circular orbit. The planet is 5.6 AU away from the star and has an orbital velocity of 32 km/s. What is the mass of the star. (1AU = 1.496*10^11m)

72. ## Math

Use properties of logarithms to find the exact value of this expression. Do not use a calculator. 6log6 8 - log6 7

73. ## math

Solve this equation. Verify your solution using a graphing utility. log_a(x - 1) - log_a(x + 6) = log_a(x - 2) - log_a(x + 3)

74. ## science

How bad are lice really for your health and can they cause any major diseases?

75. ## math

THIS IS SYSTEM OF EQUATIONS:SUBSTITUTON Y=2X-8 X-Y=2 I KNO THAT U COMBINE SO IT WILL BE X-2X-8=2 WHICH WLL BE 3X-8=2 BUT I DON'T KNO HOW TO FINISH TH REST......CAN SOMEONE HELP ME....... IF DID SOMETHING WRONG PLEASE TELL ME

76. ## english

How does Marry Maloney looks like in the story "Lamb to the Slaughter", and what are her habits in the story?

77. ## seventh grade science

what is a monomer what is a polymer what is the structure of a protein

78. ## French

if I want to say "with some other people" in French, is it supposed to be "avec des autres gens" or "avec d'autres gens?" Merci

79. ## US History

Does the scientific evidence strongly suggesting that Jefferson did father Hemings's children alter your perception of Jefferson?

80. ## math

How do i find the input and out put of these numbers input output 25 15 30 18 35 21 40 24

81. ## com220

Emotional Appeal has no place in expository writing. Do you agree? Why, Why not?

82. ## business law

I need help with 10 short answer questions

83. ## english

Identify and name any rhetorical

84. ## Finance

The Mutual Assurance and Life Company is offering an insurance policy under either of the following two terms: a. Make a series of 12 payments of 1,200 at the beginning of each of the next 12 years (the first payment being made today) b. Make a single

85. ## com220

In what ways are full-sentence outlines more beneficial than topic outlines? 2. What steps will you take to turn your outline into the body of your rough draft?

86. ## Math

what percent of 920 is 598

87. ## algerba

A triangle has base 14 feet (ft) & an altitude of 6 ft. Find its area

88. ## English

I have a paper due tomorrow and I need to include my personal interview, how would I do this in APA format? Any help would be greatly appreciated.

89. ## Dividing fractions

how do i do 3 and 3/4 divided by 12 and 1/2 plz help

90. ## math

Solve this equation. Verify your solution using a graphing utility. log_1/3(x2 + x) - log_1/3(x2 - x) = -1

91. ## college

If preferred stock was issued at 50 dollars a share at 8% annual interest rate what would be the annual yeild?

92. ## intrest groups-gov and pol

Define the term "dirty dozen" i found two definitions online is it : The US state department hit list of the 12 most wanted in Saddam's regime, including his sons Uday and Qusay, or The list of the twelve most persistent organic pollutants (POPs) banned at

the shortcoming of historical cost accounting when price are changing

94. ## 4th grade

I WAS GIVEN HOMEWORK AS A GROUP DISCUSSION ON PARKS AS A PUBLIC PROPERTY. I WANT INFORMATION ON THIS TOPIC TO SAY IN THE CLASS TOMORROW.

asked by abdul rahman
95. ## math

the minimum size dance floor that the prom committee is considering 30 by 30 . they assume that this size will allow 100 couples to be on the dance floor at once. how many square feet of dance space per couple does this size allow?

96. ## math help needed

the question is: -3x-2z-7 if x=3 and z= -1 i did the the question and got the answer - 14 ....but the answer key that i got say -20....can anyone help me... with this plz....

97. ## Dog Breeds

Please check my answer thanks 2. A purebred Maltese has mated with a homeless mutt. The puppies produced will be A. mostly purebreds. B. mixed breeds. C. purebreds. D. pedigreed. I say B

98. ## Cultural diversity

Explain the difference between Muslims and Arabs

99. ## math urgent help needed

the question is: -3x-2z-7 if x=3 and z= -1 i did the the question and got the answer - 14 ....but the answer key that i got say -20....can anyone help me... with this plz....