# Questions Asked onDecember 11, 2009

1. ## Calculus

The velocity v(t)= -t^2 + 6t - 8, find the displacement and distance traveled during the time interval [-1,5]?

2. ## physics

A paperweight, when weighed in air, has a weight of W = 6.8 N. When completely immersed in water, however, it has a weight of Win water = 4.3 N. Find the volume of the paperweight.

3. ## Statistics

2. The time (in number of days) until maturity of a certain variety of hot pepper is normally distributed, with mean m and standard deviation s = 2.4. This variety is advertised as taking 70 days to mature. I wish to test the hypotheses H0: m = 70, Ha: m >

4. ## Calculus

Find the Rates of convergence of the following functions as h->0 lim h->0 sin h - hcosh ------------- = 0 h Find the Rates of convergence of the following functions as n->inf lim (Sin (1/n))^2=0 n-> inf

5. ## Physics

Wine bottles are never completely filled: a small volume of air is left in the glass bottle's cylindrically shaped neck (inner diameter d = 18.5mm) to allow for wine's fairly large coefficient of thermal expansion. The distance H between the surface of the

6. ## physical science

What is the percentage increase in size when ordering a 14 inch rather than a 12 inch pizza?

The sum of three numbers is 301. The second number is 3 less than twelve times the first number. The third number is 4 more than seven times the first number.

8. ## physical science

While fishing in a boat on a lake one afternoon, a speedboat roars by. You note that you bob up and down five times in 20 seconds. The frequency of this train of water waves is

9. ## computers

I need help with the following: Consider a system that uses pure demand paging. a.When a process first starts execution, how could you characterize the page fault rate? b.Once the working set for a process is loaded into memory, how would you characterize

10. ## Managerial Economics

Dell Computer Corp, the world's largest personal-computer maker, is keenly aware of everything its rival PC manufacturers decide to do. Explain why dell usually reacts more quickly and more substantially to pricing, product design and advertising decisions

11. ## physics

Three identical balls are thrown from a cliff of height, h, above a horizontal plane. One ball is thrown at an angle of 45 degrees above the horizon, the second is thrown horizontally, and the third is thrown at an angle of 30 degrees below the horizon

12. ## Microeconomics - Normative Statements

Did I explain how normative statements are resolved and the differences between pareto and cost benefit analysis? To resolve normative statements when comparing social states, pareto or cost benefit analysis takes place. Pareto criterion can make social

13. ## cultural diversity

do you culturally identigy more with ethnic groups (african americans), with United States mainstream culture or with both equally?

14. ## physics

What is the wavelength of radiation that has a frequency of 6.912 × 1014 s-1?

15. ## physics

If a ball is thrown off a 17.9m roof with the velocity of 23.9m/s and it takes 1.91sec to reach the ground, What is the horizontal displacement and the Velocity right before it hits the ground?

16. ## Management 2

Can you give me an example of group think in a meeting?

17. ## Civics

I need help writing a one-page report on the campaign decisions made by Bush and Kerry in relation to their successes and failures.

18. ## physics

How can you solve for that problem, by using another approach?

19. ## algebra 2

List the domain and range and determine whether the relation is a function.(2,4)(4,-2)(1,3)(0,3)

20. ## college

can you help me with my algbra problems

21. ## physics

Yeah I know it is! But it's really confusing me and it's what my teacher wants. Say I was to pick a height of 25m and a Velocity of 20.0m/s, what would be my next step?

22. ## algebra

6x^2y^3(3xy^2)^2/xy^2 I need it answered in simplified form with showing the work how u got the answer

23. ## Env Science

Describe biomagnification of a toxic chemical and relate it to the biomass pyramid

24. ## Microeconomics - Pareto Efficient

Are all markets with deadweight loss pareto inefficient (including quotas, rent control, taxes, tarriffs, monopoly (unless there is price discrimination), oligopoly cournot model, oligopoly bertrand model and oligopoly stackleberg model)? Am I right? I

25. ## physics

0.75 mol of argon gas is admitted to an evacuated 40 cm^{3} container at 40 C. The gas then undergoes an isochoric heating to a temperature of 500 C.

26. ## Algebra

Solve for n á = (n-2) * 180 / n = 180 – 360/n

27. ## math

my cousin Robert was pushed into a well measuring six feet in diameter and 10 feet deep,with smooth walls and it's bottom covered in water how did he emerge from the well?

28. ## financial analysis

Can someone help me understand how to remove the 'passive voice' from the following Conclusion? Included in the preceding paper is a comprehensive discussion on the takeover target of Wal-mart. The identification of any lenders that Wal-mart uses and the

29. ## Geometry

Why is it impossible for a regular polygon with more than six sides to tessellate the plane?

30. ## Literature

Reading Response 1. List the characters in the story. Write one to two sentences on the defining characteristics of each one, providing at least one citation to illustrate your comments. Pelayo Elisenda The Old Man Father Gonzaga The Neighbor Woman The

31. ## Geography

Which account of an Azerbaijani demonstration for independence that turned into a riot do you think would be the most reliable? the account in a Soviet newspaper the account of an Azerbaijani protester the account of a Swedish reporter the account of a

32. ## Anatomy & Physiology

Nicotinic receptors are found on the pre-ganglionic fibers of both parasympathetic & sympathetic divisions? True or False?

33. ## FINANCE 200

You receive \$5000 three years from now. The discount rate is 8 percent. What is the value of your investment two years from now? (Multiply 5000 by .926 (one year discount rate at 8%) Will it be worth \$9,260?

34. ## Geometry

Find the number of degrees in the point angle of each figure. Explain. {9/3}

35. ## algebra

factor 6a-9a^2

36. ## math

solve the equation for x 2x^2-5x=-2 1/x+1/12=1/8

37. ## Geography

What information would be the most helpful in drawing inferences about why certain countries in Southeast Asia have a large number of Muslims? knowing what countries in the region were colonized by France knowing what countries were ruled by China in the

38. ## accounting

how would interest on a bank loan be adjusted using joural intries

39. ## FINANCE 200

If you invest \$9000 how much will you have A. in two years at 9% B. in 7 years at 12% C. in 25 years at 14% D. in 25 years at 14% (compounded Semi-annually) I don't know how to even start this can anyone help?

40. ## chemistry

Identify the limiting reactant and determine the mass of the excess reactant remaining when 7.00 g of chlorine gas reacts with 5.00 g of potassium to form potassium chloride.

41. ## math

x+y divided x^2-y^2 ____________________ 4 8 the answer have to be in lowest terms

42. ## algebra

find the product (2x+1)(3x-2)

43. ## algebra

find the product (2x-5)^2

44. ## algebra

factor completely. please show work. a^2-a-6

45. ## math

solve the equation and please show the work. sqrt x+2-5=0

46. ## algebra

solve the equation. please show work 3x^2-2x-4=0

47. ## Geography

What government imposed barriers stop or hinder the export (out of the U.S) of automobiles?

48. ## algebra

Which table of values is a linear relationship? Write an equation for the relationship. x|5 10 15 20 25 30 y|20 30 40 50 50 50 I want to say that x is but I have no theory as to why. I have looked at sample problems in the text and still do not understand

49. ## algebra

perform the operation and simplify the answer. sqrt 12x^3 . sqrt 3xy^2 Please show work.

50. ## cultural diversity

were african americans effected by any forms of discrimination

51. ## Geography

What does the federal government impose on a high horsepwer that uses more fuel vehicles?

52. ## Math

What is the cost of the room for that is used for 1.5 hours at the rate of \$23 per month room and size of 288 sg ft?

53. ## Biology

What is the difference between enterocolitis and gastroenteritis?

54. ## Hospitality: food, shelter, and fun away from home

Compare and contrast in 200 to 300 words the adcantages and disadcantages of chain restaurants and independent restaurants with regard to at least three of the following:

55. ## French

What does conduissez mean in french?

56. ## TI N-spire

ok so i kno this isnt a math prblem, but it a question that im sure many people would love an answer to. Is there any easier way to change the mode on the n-spire from degres to radians(or vice versa) without having to go into th document, graphs, and

57. ## Math

State whether the equation y=10^3x represents a linear, quadratic, or exponential function. Tell how you decided. I think it is exponential

58. ## social studies

who created the mauryan empire

59. ## geometry

AB is a midsegment of triangle XYZ . AB = 52. Find YZ.

60. ## Math

For which table(s) of values in Exercises 39–42 is the relationship linear? Tell how you decided. Write the equation for each linear relationship. x 5 10 15 20 25 30 y 20 30 40 50 50 50 I do not think that this is a linear equation but I cannot determine

61. ## physics

Pushing on the pump of a soap dispenser compresses a small spring. When the spring is compressed 0.54 cm, its potential energy is 0.0025 J. (a) What is the force constant of the spring? kN/m (b) What compression is required for the spring potential energy

62. ## Math

For which values is the relationship linear? Tell how you decided. Write the equation for each linear relationship x 5 10 15 20 25 30 y 20 30 40 50 50 50 I don't understand what the relationship has to do with being linear?

63. ## Math

Give five ordered pairs that makes the equation true y = 20 + x3

64. ## History

I need to find three social and economic similarities in the South and West after the Civil War. Here is what I have for the social similarities: Both were radically divided societies in which whites often used violence to assert their dominance. Here is

65. ## algebra

The area A of a triangle with base b and height h is given by A=1/2 bh. Find the area when b=22m (meters) and h= 22m

66. ## physical science

Visible light consists of electromagnetic waves with wavelengths (in air) in the range 400 - 700 nm. What are the frequencies of visible light?

67. ## math

How does the author determine what the first equation should be? What about the second equation? How are these examples similar? How are they different?

What 3 areas in Canada can fruit be grown?

69. ## Introduction to College Planning

I have to survey several people about what they would do if their roommate falls ill. Do colleges have extra dorms you can go to if you want to avoid the sickness? If your roommate is sick, can he/she be sent off to an sick wing of shorts to spend the

What lake in B.C is manmade and why?

I am reading a book called To kill a mocking bird. and had a couple questions. . . -what is the dare with which dill challenges Jem?

72. ## algebra

Part 1: Using the Library, web resources, and/or other materials, find the logarithmic formula that gives the pH of a substance. State what each variable in your equation represents. Find the pH of an acidic substance of your choice. Using this pH, show

What is Newfie Screech?

A unilateral mistake always affords the mistaken party a right to relief from the contract? true/false

75. ## algebra

perform the indicated operation and give the answer in simplified form. 6x^2y^3(3xy^2)^2 _________________ xy^2

76. ## algebra

perform the product in simplified form please show the work. (2x+1)(3x-2)

77. ## algebra

solve the equation for x. 3x^2-2x-4=0. can you please show the steps?

78. ## Hospitality: food, shelter, and fun away from home

compare and contrast in 200 words the advantages and disadcantages of chain restayrants and independent restaurants with regard to at least three of the following: site selection, purchasing economies and human resources

I need help with these two French 101 questions please. Thank you!! Je connais bien Mireille. Je _________ connais depuis 30 ans a. le b. la c. y.....I think this is correct d. lui Marie est une nouvelle étudiante. Hélène lui parle. Choisissez la forme

80. ## Geometry

Find the x and y intercepts of the line whose equation is: 3x-2y=12

81. ## French question

Nous ________ cours vers 9 heures a. voulons b. faisons c. allons d. Commençons I can't decide between B and D. Thank you!

82. ## year 8 maths

Find the amount of the following foreign currencies (to 2 decimal places) that can be bought with 250 Singapore dollars. The sterling pound There is a chart and the pound sells at 2,552,0 for 1 Singapore dollar. The pound is bought at 2,578.0. I did

83. ## o level economics

We were asked to come up with a list of needs for ourselves, for our grandparents and for people our age in another continent. For my grandparents I have shelter from the war, warm blankets for winter. For someone my age in Africa I have money for school

84. ## space

what are the 7 moon phases

85. ## ALGEBRA

perform and simplify sqrt 98x- sqrt18x

86. ## algebra

perform and simplify sqrt 12x^3 . 3xy^2

87. ## pschology

Paraphrase this paragraph using your own words. Some reasons teachers leave the teaching career are for things that are out of their control, such as low pay and the particular administration in charge at their school. Other reasons teachers leave their

88. ## pschology

How can you summarize this paragraph?Some reasons teachers leave the teaching career are for things that are out of their control, such as low pay and the particular administration in charge at their school. Other reasons teachers leave their jobs include

89. ## math

Hi I can't remember how to figure this out. Can you give me an idea? In 1970, the minimum wage was \$1.60 per hour. In 2000, the minimum wage was \$5.15 per hour. When will the minimum wage be \$7.50 per hour?

90. ## Math

These review questions are stumping me. How much water must be added to 50 ML of a 35% acid solution to produce a mixture that is 20% acid. Could it be as simple as 15% water?

91. ## Hospitality: food, shelter, and fun away from home

Franchising is very common in the hospitality industry. Both the franchiser and franchisee have rights and responsibilities. In this assignment, you review a Web site dedicated to promoting fair practices. As you compare the information in the text with

92. ## PSYCHOLOGY this correct

Mario’s parents were fluent in both English and Spanish. The family lived in rural Vermont but spoke Spanish almost exclusively at home, in part because Mario’s mother found English harsh and unpleasant to the ear. Most of Mario’s early exposure to

what is a bar

94. ## physics

A basketball player is trying to make a half-court jump shot and releases the ball at the height of the basket. Assuming that the ball is launched at 51 degrees, 14.0 m from the basket, what speed must the player give the ball? PLEASE HELP! I have been

95. ## French

Hi, is the following grammatically proper? thanks.(France French): BORIS:Il a été une expérience effrayante. IGOR: Oui. Nous étions muets à l'époque aussi, et tout ce que j'avais pour la protection, était une veste en cuir. BORIS: Nous nous sommes

96. ## French

What does this mean? "je t' aime plus qa 'hier moins que demain" Thanks -MC

97. ## algebra

how to solve 9+5r=-17-8r

98. ## child development(am i correct)

Mario’s parents were fluent in both English and Spanish. The family lived in rural Vermont but spoke Spanish almost exclusively at home, in part because Mario’s mother found English harsh and unpleasant to the ear. Most of Mario’s early exposure to

99. ## college

What strategies may you use to incorporate effective visual elements into business presentations?

100. ## Math Help

Prove that the cancellation law of multiplication is equivalent in a commutative ring to the assertion that the product of non-zero factors is not zero

101. ## accounting

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 December 31 ending

102. ## math

how do I solve y=12-2x

103. ## hca/210

three cuases for the increasing cost of healthcare and what affect does each have on society

104. ## social studies

We had our picnic near the capital of this new nation, which used to be the eastern part of Czechoslovakia..

105. ## critical thinking

Which of the following, if true, would best explain the material presented in the table?

106. ## math

hockey teams receive 2 points for every game won and i point for every tie. One year a team won a championship with 66 points. They won 12 more games than they tied, how many wins and how many ties did the team receive?

107. ## math

How many different arrangements of two letters can you make from the letters in the word problem, if no repetition of letters is allowed?

108. ## English

1. He begged me a book. 2. He begged a book of me. 3. He inquired me a question. 4. He inguired a question of me. 5. He required me a pen. 6. He required a pen of me. 7. He demanded me a notebook. 8. He demanded a notebook of me. (Are the pairs all

109. ## English

1. He speaks well of Tom. 2. Tom is spoken well of by him. 3. Tom is well spoken of by him. (Which one is the active voice of #1?) 4. She took care of the baby. 5. The baby was taken care of by her. 6. Care was taken of the baby by her. (#5 is the passive

110. ## English

1. Who made the cake? 2. By whom was the cake made? 3. Whom was the cake made by? (Which one is the passive voce sentence of #1?) 4. What made you angry? 5. By what were you made angry? 6. Who bought the pen? 7. By whom was the pen bought? (Is each pair

111. ## Physics

A 21-kg child swings on a playground swing 3.4 m long. What is the period of her motion? If her brother, who weighs twice as much as she does,rides on the swing instead, what is the period of the motion?

112. ## Physics

On a frozen pond, a person kicks a 10.0 kg sled, giving it an initial speed of 12.2 m/s. How far does the sled move if the coefficient of kinetic friction between the sled and the ice is .10?

113. ## Physics

A 770N woman sitting on a frictionless surface throw a 2.6 kg book at a speed of 35 m/s. What is her recoil speed in m/s?

114. ## Physics

Two joules of energy are required to extend a spring by .25 m. What is the spring constant?