1. integral calculus

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

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%

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?

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

5. physics

five factors that affect the rate of diffusion in GASES

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

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

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.

9. MATHS

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

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

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

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

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

14. Algebra II

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

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

16. MATHS

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

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

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

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

20. Algebra

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

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.

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!

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.

24. math

what is the gcf of 24,36,72?

25. arithmetic

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

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.

27. Algebra II

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

28. Algebra II

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

29. College chemistry

is dispersion force the strongest IM for Cl2

30. grammar

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

31. Algebra

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

32. Differential equation

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

33. Chemistry

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

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

36. Algebra

Express in terms of i:2√-36

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.

38. Science

Classification of fibres

39. algebra

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

40. Algebra II

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

41. calculus

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

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 ?

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,

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

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.

46. chemistry

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

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?

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

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?

50. Science

Classification of fibres

51. chemistry

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

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

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?

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

55. trignometry

y = sin 8x + 3 period ?

56. algebra

Factor 6a^3+27b^3

57. Algebra II

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

58. Algebra II

Simplify x^6/2xy^-5

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

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

61. Algebra

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

62. grammar

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

63. Chemistry

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

64. social studies

where and when was the first british factory estabilishe?

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.

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?

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

68. Science

Classification of fibres

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?

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

71. Algebra

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