Questions Asked on
July 1, 2011

  1. integral calculus

    Evaluate the following intergal:- integral of [Mvdv] with upper limit 'v' and lower limit 'u'

    asked by .........................................
  2. physics..

    A physical quantity 'x'is calculated from the relation x=a^3b^2/root of cd. Calculate percentage error in x, if a, b, c and d are measured respectively with an error of 1%,3%,4% and 2%

    asked by .........................................
  3. physics

    The velocity of a toy car of mass 2kg increased from 5m/s to 10m/s in 2 seconds.what force was exerted on the car?

    asked by Anonymous
  4. trig

    N 5 22x2 1 76x 1 430 Use the equation to find N for each year in the table. (b) Discuss how well this equation approximates the data. (c) Rewrite the equation with the right side completely factored. (d) Use your equation from part (c) to find N for each

    asked by mmmm
  5. physics

    five factors that affect the rate of diffusion in GASES

    asked by fefe
  6. Chem Help

    If the hydronium ion concentration of a aqueous solution at 25 degrees celcius is 5*10^-6 M, what is the hydroxide ion concentration

    asked by Danielle
  7. Chemistry

    I posted this question earlier, but I believe it was a bit confusing in the way I typed it. Given the following two step reaction: 4 P + 5 O2 -> P4O10 P4O10 + 6 H2O -> 4H3PO4 If you have 8.28 g of P, 15.65 g of O2, and 19.95 g of H2O, how many grams of

    asked by Bradley
  8. english

    help i need to know if this sentence is parallel Neither the searing pain in my toe nor the blinding rain in my face will keep me from finishing the race.

    asked by rosie
  9. MATHS

    USING ONLY THE NUMBER FOUR, PLACE TEN MONEY AMOUNTS IN THE TEN BLOCKS OF THIS PYRAMID TO TOTAL $10,000

    asked by GURVINDER
  10. business

    1. What kind of risk analysis would you use when purchasing a house or a personal vehicle? Describe this analysis. How does this process assist you in making your decision? Do you believe the process is efficient and achieves the results you desire? How

    asked by barry
  11. Accounting

    Identify at least three external users of accounting information and indicate two questions they might seek to answer through their use of accounting information I just need help on indicate 2 questions they might seek to answer through their use of

    asked by Mary
  12. business

    2. Think of a risk response plan that you have in your personal life, such as automobile, homeowner’s, or renter’s insurance. What were some of the decision criteria that influenced your decision about how much coverage to purchase? How does your

    asked by barry
  13. English

    I forgot to include these other statements. ThANK YOU. 1)Where did the Aesthetic movement originate and what was it characterized by? 2) What affects the development of the human psyche according to Freud? What did Freud mean by super-ego? 3) The only

    asked by Henry2
  14. Algebra II

    Given the folllowing revenue and cost functions, find the maximum profit. R(x)=72x-2x²; C(x)=24x+93.

    asked by HELP
  15. Chemistry

    If 18.80 grams of hydrochloric acid are reacted with a large amount of aluminum metal, what volume of hydrogen gas would be produced at STP? (Hint: start by writing a balanced equation for the reaction.) 3HCl + Al -> 3H + AlCl3 18.80g moles= grams/mw

    asked by Bradley
  16. MATHS

    USING ONLY THE NUMBER FOUR, PLACE TEN MONEY AMOUNTS IN THE TEN BLOCKS OF THIS PYRAMID TO TOTAL $10,000

    asked by GURVINDER
  17. chemistry

    How would I calculate the molarity of the resulting solution if 25.0mL of 1.50 M HCL solution is diluted to 500 mL. I know you have to change the milliliters to liters by dividing by 1000 and I know that M= Moles of Solute/Liters of Solute but after that

    asked by Daniel
  18. chem

    Two metals of equal mass, A and B, both at a temperature of 25 degrees celsius, are placed in separate but identical beakers of cold water. Metal A has a larger specific heat than metal B. Metal A is in Beaker 1, and metal B is in Beaker 2. Which beaker

    asked by lynn
  19. grammar

    1.Christina and Christopher worked together and completed a project about astronomy. simple subject and compound predicate? 2.Jennifer and her brother were not allowed to go to Great Adventure with the Jones family. Compound subject and compound predicate

    asked by lizzie
  20. Algebra

    Use polynomial long division to divide 12x3 – 9x2 + 13x + 4 by 3x2 – 3x + 4

    asked by toni
  21. math

    Express the volume of a rectangular solid (box) whose height, width and length are x,2x and 3x, respectively, as a function of its width.

    asked by J
  22. pre-calculus

    Give the coordinates of the vertex and graph the equation in a window that includes the vertex. y=(x+8)²-9. I know how to graph just not how to do the problem. HELP!

    asked by Reanna Baker
  23. chemistry

    When making pepsin in acetic acid, can I apply heat to the solution? What is the appearance of the pepsin solution should be? I'm not sure if it has to be really transparent, I know that it looks kinda yellow.

    asked by blast
  24. math

    what is the gcf of 24,36,72?

    asked by Mecca
  25. arithmetic

    find the seventh term of an arithmetic progression 5,7,11,15

    asked by Anonymous
  26. Algebra II

    The height of a right triangle is 7 inches greater than the length of its base. If the area of the triangle is 15 square inches, find the base.

    asked by Nicole
  27. Algebra II

    Simplify (2x^-2y^2/3xz^-2) times (4xzy^-3/9xyz)^-1

    asked by Lee
  28. Algebra II

    Solve 1. 3x^2-9x=0 2. 12x^2+30x=-12 3. 9a(a+1)=4 4. 16x^2=25

    asked by Amber
  29. College chemistry

    is dispersion force the strongest IM for Cl2

    asked by martha
  30. grammar

    Elizabethan drama-Should drama be capitalized Martin Luther King Day-Shouldn't Day be capitalized because it is a holiday

    asked by thomas
  31. Algebra

    Factor the following expression completely: 36^3-16x

    asked by Tammy
  32. Differential equation

    dy/dx=(-8xy^2+4x)(4x+1)y-(8x^3+4x^2-1)

    asked by Maria
  33. Chemistry

    What mass of NaNo3 would be required to prepare 10% solution of the salt in 100cm square of distilled water

    asked by Osegbe
  34. Mgn

    My teacher gave me a project on classification of fibres please help me

    asked by A
  35. Algebra

    Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this: 4x + 4y = -36, 4x + 4y = 12

    asked by Tammy
  36. Algebra

    Express in terms of i:2√-36

    asked by Tammy
  37. Programming Problems

    Include names of students from the user, terminated by ZZZ, and create a data file GRADES with records of the form: student (string), test1 (integer), test2 (integer), test3 (integer) In this file, all test scores should be set equal to 0.

    asked by JoJo03
  38. Science

    Classification of fibres

    asked by A
  39. algebra

    Solve for x. (3/x)+(2/a)=(1/b)

    asked by dakota
  40. Algebra II

    Find the exact solutions to the quadratic equation in the complex numbers. (x-13)²=-36 HELP ME PLEASE!

    asked by hot
  41. calculus

    find the most general antiderivative of the function f(t)=8t-3sec^2t

    asked by stephen
  42. History-Civil War

    What was the biggest challenge faced by the federal government at the end of the war in reintergrating the South into the United States of America ?

    asked by Joanne
  43. Grammar

    1. The rain poured into the river and flooded the nearby community. -simple sentence 2. Some indefinite pronouns are always plural and require plural verbs. select these pronouns. A. both, many, several B. everyone, everybody, any, several C. somebody,

    asked by lizzie
  44. Statistics(Urgent!Please help)

    I have a chart that has 4 columns across the top and 33 going down. The colunms on the top read: predicted number, selected number, (col 1 - col2)^2, and the mean of x. Their are 32 predicted numbers and 33 selected numbers. I need to fill in the column

    asked by Hannah
  45. chemistry

    When making pepsin in acetic acid, can I apply heat to the solution? What is the appearance of the pepsin solution should be? I'm not sure if it has to be really transparent, I know that it looks kinda yellow.

    asked by blast
  46. chemistry

    I also have a question on making oxalic acid solution. What is the appearance of the solution should be? including transparency?

    asked by blast
  47. GENERAL CHEMISTRY CALCULATION

    preparing working solution of the disinfectant Osyl from the stock solution requires diluting the stock one part Osyl to five parts water .this is V/V solution .in this situation you have 250ml of water so the question is:HOW MUCH OSYL IS NEEDED?

    asked by see eel
  48. Algebra

    If a stone is tossed from the top of a 290 meter building, the height of the stone as a function of time is given by h(t) = -9.8t2 – 10t + 290, where t is in seconds, and height is in meters. After how many seconds will the stone hit the ground? Round to

    asked by Tammy
  49. Math

    Somebody repeatedly roll a fair die. If it comes up 6 he instantly wins(and stop playing); if it comes up k, for any k between 1 and 5, he he waits k minutes and then roll again. what is the expected elapsed time from when he starts rolling until he wins?

    asked by Alex
  50. Science

    Classification of fibres

    asked by A
  51. chemistry

    I also have a question on making oxalic acid solution. What is the appearance of the solution should be? including transparency?

    asked by blast
  52. Chemistry

    1. Consider the conductance meter and the titration method of determining the salt content of a brine sample. Discuss at least two advantages and two disadvantages of each method. 2. A corrosion technologist pipetted a 50.00 mL sample of an unknown brine

    asked by Shannon
  53. calculus

    Let f(x)=(x-1)/(-x^2+2) a. Is this point (-1,-2/3) on the graph of f? b. State the domain of f and then solve f(x) 1/2?

    asked by Staffon
  54. statistics

    A school psychologist is trying to determine the lower boundary of a confidence interval for a IQ measure that has a mean of 100 and a standard deviation of 30 and a sample size of 100. What is the lower boundary if she was to create a 95% confidence

    asked by Haywood
  55. trignometry

    y = sin 8x + 3 period ?

    asked by Anonymous
  56. algebra

    Factor 6a^3+27b^3

    asked by Nicole
  57. Algebra II

    Simplify (n^2+3)(n^2-5n+6)

    asked by Gerald
  58. Algebra II

    Simplify x^6/2xy^-5

    asked by Sara
  59. grammar

    Which one is the complete subject: 'The showy gilrs' 'The showy girls in the red sports car' Our vacation to Niagara Falls was awesome. declarative

    asked by lizzie
  60. grammar

    1.When are you having Jamie's surprise party? I am not sure if 'you' is the complete subject or if it is 'Jamie's surprise party'. 2.John and Nicole washes the dishes. A Sentence is correct B. 'Washes' should be changed to'wash in order to make the subject

    asked by lizzie
  61. Algebra

    Rewrite with positive exponents. Assume that even roots are of nonnegative quantities and that all denominators are nonzero. (3y(2/3))^-3

    asked by toni
  62. grammar

    Par-Prefix? I believe the meaning is through or thoroughly.

    asked by lizzie
  63. Chemistry

    For the reaction HNO3+HCl=NO2Cl+H20 What is the equilibrium constant at 25 C and 75 C

    asked by Tom
  64. social studies

    where and when was the first british factory estabilishe?

    asked by joy
  65. English

    Women were considered as inferior to men (Why is as not necessary after consider?) Can you give a list of verbs followed by "as"? Thank you.

    asked by Henry2
  66. physics

    an object moves along a circle of radius r. its start froam A and reaches B. what is the path length? what is the displacement?

    asked by Anonymous
  67. English

    Can you please help me formulate these questions better? Thank you very much. 1)Whose point of view is adopted? Eveline's. What kind of technique is adopted to give voice to Eveline's thoughts? Free indirect thoughts. Where can I find a good definition of

    asked by Henry2
  68. Science

    Classification of fibres

    asked by A
  69. math 8

    Martin graphed the lines for a system of equations. His graph resulted in 2 lines with different slopes. Which of the following is true about this graph?

    asked by rober
  70. algebra

    If the global climate were to warm significantly as a result of the greenhouse effect or other climatic change, the Arctic ice cap would start to melt. This ice cap contains the equivalent of some 680,000 cubic miles of water. More than 200 million people

    asked by Anonymous
  71. Algebra

    Given the folllowing revenue and cost functions, find the maximum profit. R(x)=72x-2x²; C(x)=24x+93.

    asked by Kevin Smith
  72. literary

    What is the term in literature that describes a story that appeals to kids and adults, but for different reasons. E.g. the original batman series.

    asked by Joan
  73. algebra

    Find the exact solutions to the quadratic equation in the complex numbers. (x-13)²=-36

    asked by Kevin Smith