Questions Asked on
December 11, 2009

  1. Calculus

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

    asked by Z32
  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.

    asked by Bobby
  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 >

    asked by Soa
  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

    asked by Sammy
  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

    asked by Britney
  6. physical science

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

    asked by Alyson
  7. 10th grade math

    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.

    asked by Rebecca
  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

    asked by Alyson
  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

    asked by George
  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

    asked by miller
  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

    asked by Kelly
  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

    asked by Anonymous
  13. cultural diversity

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

    asked by paula
  14. physics

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

    asked by Alyson
  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?

    asked by Kelly
  16. Management 2

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

    asked by Marimar
  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.

    asked by Jennifer
  18. physics

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

    asked by Kelly
  19. algebra 2

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

    asked by y
  20. college

    can you help me with my algbra problems

    asked by Pam
  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?

    asked by Kelly
  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

    asked by Pam
  23. Env Science

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

    asked by Mic key
  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

    asked by Anonymous
  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.

    asked by ana
  26. Algebra

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

    asked by Rene
  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?

    asked by destiny williams
  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

    asked by Julie
  29. Geometry

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

    asked by Jackie
  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

    asked by Anonymous
  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

    asked by Renee
  32. Anatomy & Physiology

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

    asked by Jeanine
  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?

    asked by Rmz
  34. Geometry

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

    asked by Jackie
  35. algebra

    factor 6a-9a^2

    asked by Pam
  36. math

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

    asked by Pam
  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

    asked by Renee
  38. accounting

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

    asked by james
  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?

    asked by Rmz
  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.

    asked by Rafael Alvarez
  41. math

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

    asked by Pam
  42. algebra

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

    asked by Pam
  43. algebra

    find the product (2x-5)^2

    asked by Pam
  44. algebra

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

    asked by Pam
  45. math

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

    asked by candace
  46. algebra

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

    asked by candace
  47. Geography

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

    asked by Katrina
  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

    asked by Missa
  49. algebra

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

    asked by annette
  50. cultural diversity

    were african americans effected by any forms of discrimination

    asked by paula
  51. Geography

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

    asked by Katrina
  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?

    asked by Nora
  53. Biology

    What is the difference between enterocolitis and gastroenteritis?

    asked by Andrew
  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:

    asked by Stacy
  55. French

    What does conduissez mean in french?

    asked by Jack
  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

    asked by Ryan
  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

    asked by Lyndse
  58. social studies

    who created the mauryan empire

    asked by dante
  59. geometry

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

    asked by sara
  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

    asked by Anna
  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

    asked by Bobby
  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?

    asked by lyndse
  63. Math

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

    asked by lyndse
  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

    asked by B.B.
  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

    asked by Anonymous
  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?

    asked by Alyson
  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?

    asked by Starr
  68. Canada

    What 3 areas in Canada can fruit be grown?

    asked by Lisa
  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

    asked by Emma
  70. Canada

    What lake in B.C is manmade and why?

    asked by Lisa
  71. 9th grade

    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?

    asked by Brittney
  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

    asked by stephanie
  73. Canada

    What is Newfie Screech?

    asked by Lisa
  74. business law

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

    asked by Gudda
  75. algebra

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

    asked by annette
  76. algebra

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

    asked by annette
  77. algebra

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

    asked by pam
  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

    asked by Stacy
  79. French help please!

    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

    asked by Madison
  80. Geometry

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

    asked by Lenora
  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!

    asked by Madison
  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

    asked by Maria Chiara
  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

    asked by Kellie
  84. space

    what are the 7 moon phases

    asked by dillan
  85. ALGEBRA

    perform and simplify sqrt 98x- sqrt18x

    asked by immanuel
  86. algebra

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

    asked by immanuel
  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

    asked by derrius
  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

    asked by derrius
  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?

    asked by Jon
  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?

    asked by Jon
  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

    asked by Stacy
  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

    asked by scooby
  93. 7th grade

    what is a bar

    asked by sam
  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

    asked by hannah
  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

    asked by Sel
  96. French

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

    asked by mysterychicken
  97. algebra

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

    asked by carolyn
  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

    asked by scooby
  99. college

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

    asked by tonya
  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

    asked by nina
  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

    asked by Airie
  102. math

    how do I solve y=12-2x

    asked by Kay Kay
  103. hca/210

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

    asked by nancy
  104. social studies

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

    asked by bill
  105. critical thinking

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

    asked by jerica
  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?

    asked by Jeff
  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?

    asked by arra
  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

    asked by rfvv
  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

    asked by rfvv
  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

    asked by rfvv
  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?

    asked by Nicole
  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?

    asked by Nicole
  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?

    asked by Nicole
  114. Physics

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

    asked by Nicole
  115. physics

    How far does a 1.58-kg stone with the kinetic energy of 3.11 J go in 1.86 s if it is moving in a straight line?

    asked by Nicole
  116. french

    Hi, I was wondering if this was all grammatically correct. This is for a project of mine and it involves the use of both passe compose and imparfait. I needed to use 5 triggers words for each. The ones I used were Autrefois, Tous le soirs, pendant,

    asked by deegaiz