# Questions Asked onJanuary 7, 2011

1. ## Math

If you toss a pair of dice 1,000 times, how many times would you expect to get a sum of 12 as the result? 1.)about 12 times 2.)about 27 times 3.)about 36 times 4.)about 100 times The lesson doesn't show me how to work this. Whats the formula?

2. ## calculus

A right triangle of hypotenuse L is rotated about one of its legs to generate a right circular cone find the largest volume that such a cone could occupy

3. ## physics

How much potential energy does a 20-kg barrel have when it is in the truck whose floor is 5.0 m above the ground?

4. ## calculus

A right triangle of hypotenuse L is rotated about one of its legs to generate a right circular cone find the largest volume that such a cone could occupy

5. ## Algebra

maximize Z = 30x+50y subject to 2x+4y=100 and x+5y=80

6. ## English

Thank you very much for your suggestions. Here are some more sentences I'd like you to check. 1)The first-person narrator can coincide with a character in the story or the protagonist who recounts his life (also: who tells of/about his life, who narrates

7. ## chemistry

By international agreement, the nautical mile is now defined as exactly 1852 meters. By what percentage does this current definition differ from the original definition?

8. ## Chemistry (acids and bases)

Calculate pH, pOH, [H+], [OH-], and Ka for a 0.026 M solution of HI (a strong acid). Please help me :(

9. ## writing

i need to write an essay for latin literature. It needs to show what are the similarities and differnces between roman writers and the media of today.it has to compare and contrast the latin writers and today's media including television,radio,the

10. ## calculus

right circular cylindrical tin cans are to be manufactured to contain 400 cm ^3 of volume. There is no waste involved in cutting the tin that goes into the vertical sides of the can, but each end piece is to be cut from a square and the corners of the

11. ## accounting

You have been asked to speak at a career fair for high school students in your home town. Specifically, you are making a presentation about your role as an accountant. Describe for the students the primary objectives of accounting. Explain the basic

12. ## approximation fractions

which math fraction is greater through approximation: 10/21 or 15/28?

13. ## English

Thank you very much for your corrections. Here are some more sentences on the same theme I'm not sure of. 1)The narrator can be a first-person narrator, who/which (?) uses the first-person voice . 2)He can be used to bring the reader close to the feelings

A 0.2mol/L solution of KMnO4 has been added to 10 ml of 0.5mol/L acidified FeSO4. write the balance equation of the reacttion then calculate the volume of the oxidizing solution that should be added to oxidize all the Fe^2+ ions. please help and thank

0.8x+1

16. ## Accounting

How do you calculate the 'Capital stock at the end of the year' with the following information? Revenues: \$375,000 Expenses: \$297,000 Net Income: \$78,000 Retained earnings at the beginning of the year: 0 Retained earnings at the end of the year: \$68,000

17. ## Science 7

There are 2 questions I have posted. My answers are at the bottom. 1.List 2 liquid solutions that do not contain water? 2. Suppose that you add one teaspoon of sugar to your cup of tea. A friend adds four teaspoons of sugar to his cup od tea. Whose tea is

18. ## GOVERNMENT

CONGRESS CONSISTS OF WHAT TWO BODIES

Could someone please check my solution-Thank you-DRWLS helped me set it up and I solved it, I think From the top of a mountain 150 feet high, Jessie stands at the safety rail on the edge and looks below. The angle of elevation from his bike on the ground

20. ## algebra

o How do you know when an equation has an infinite number of solutions? o How do you know when an equation has no solution?

21. ## Algebra

The only solution to sqrt (2x+3) - sqrt(x+1) = 1 is x = 3 I think that is true but I'm not sure if I was suppose to separate this equation I just put the 3 in the place of the x and it was true but should I have done it differently?

22. ## English/Psychology

I need someone to proofread this and give me some suggestions on this paper? Do the following: "A Plan of Action". How can the A Plan of Action help you address a current problem or challenge you are having with school?” My Problem/Challenge: The Tools I

23. ## calculus

A. a particle moves around the circle x^2+y^2 = 1 in such a way that the x coord rate of change is dx/dy= y B) IS THE PARTICLE MOVING COLCIKWISER OR COUNTERCLOCKWISE AROUND THE CIRCLE C) FROM THE RT TRIANGLE ONE CAN SEE THAT SIN(THETA) = Y AND COS(THETA) =

24. ## writing

Hi. Can someone help me to form a thesis statement for an argumentative paper on the topic " How do migratory birds navigate?"

25. ## statistics

Find the sample variance s2 for the following sample data. Round your answer to the nearest hundredth. x: 23 17 12 35 29

26. ## his

During the 1990s why was the social security crisis most important and why?

27. ## English

i'm reading a book called "1984" i have an assignment that got to do with propaganda in 1984. i have to find 4 propaganda examples so far i got 2/4 examples i still need 2 more examples i don't know what other propaganda there are the examples must be

28. ## Algebra II

From the top of a mountain 150 feet high, Jessie stands at the safety rail on the edge and looks below. The angle of elevation from his bike on the ground to Jessie is 38 degrees, how far is Jessie from his bike.Please help me to set this up Thank you

29. ## math

how do I find the volume of a pyramid with a square base, 20 meters on each side, and a height of 21 meters

30. ## UNCP

In a study of worker efficiency at Wong Laboratories it was found that the number of components assembled per hour by the average worker t hours after starting work could be modeled by the formula. Rewrite the formula by factoring the right-hand side

31. ## Algebra

Skylark joined a karate class. She paid \$30 to join plus \$25 per lesson. What is the rate in this problem? Question 14 answers total cost original payment of \$30 \$25 per lesson

How do I simply 4^-1x^0/y^-1 possible answers: 1/4y 4y y/4 4 I really don't get these- but I think it might be y/4 because you take the negative to the top and the negative to the bottom, right?

33. ## 5th math

n - 2/3 = 3/4

34. ## Math

What is greater \$5.00 or the total value of all combinations of three coins you can make using only pennies, nickels,dimes,and quarters?

List the four factorsof production and explain why each is necessary for production to take place. Land- Land is necessary because of its natural resources. labour-People are needed to do the work. capital-capital is needed to pay for production and to pay

36. ## algebra

P + q for p = 32 and q = 18 5 P + q= ? 5 Find domain of the function g (x) = 10 4-7x

37. ## algebra

Solve x+2y=7 (1) X=4-2y (2) Elimination 4x+5y=4 8x+10y=8 what is solution

38. ## music

our teacher wants us to do a research about northern filipino music. i couldn't find a decent and detailed description anywhere. can anyone please help me with its history and and song examples?

39. ## English

I forgot to include the following statements. I really hope you can have a look at them, too. 1)The Celts practised (?) agriculture. 2) The Romans improved the Celts' way of living (?) by bringing (with them/introducing) their civilisation, their language

40. ## chemistry

a compound contains 2.65g C and 0.667g H .How many moles of each element are present in this compound?

41. ## Geometry

Find the area of the rhombus: In rhombus ABCD, AB=11 and AC=13. Find the area of the rhombus. What should be done to find the values of the diagonals?

42. ## science

Which object exerts more gravitational force, object A with a mass of 25 grams and a density of 2 g/cm3 or object B with a mass of 55 grams and a density of 0.5 g/cm3?

43. ## algebra (inequalities)

solve the inequality, if possible. -2x-n+n then tell what type of equation it is. it is either x># (or a variation of this), all real numbers, or no solution.

3r-5s = -14

45. ## algebra

solve the inequality, if possible. -2x-n+n then tell what type of equation it is. it is either x># (or a variation of this), all real numbers, or no solution.

46. ## Algebra

Write the range for the equation with the domain given. Write in set brackets with commas between numbers and no spaces. 5x - 3y = 6 ; Domain {-3, 0, 6}

47. ## Algebra

What is 4x + 2y = -20 written in slope-intercept form?

48. ## English

Thank you very much for your corrections. Here are the last sentences of the day. Thank you. 1)Are the following clothing items correct: a patterned cotton t-shirt, a navy blue turtleneck sweater, a big black silver watch with a green screen (?), white

49. ## English

I forgot to include these very last sentences. Thank you very much! 1) From 1982 to 2005 (two thousand and five/twenty oh five) he worked hard and appeared in 29 films. How long did he work hard? From when to when did he work hard? How many films did he

50. ## Math

write a formula that gives you the number of regions formed when x points are placed on a circle and all possible chords are drawn. ex. 2pts has 2 regions, 3pts has 4 regions, 5pts has 17 regions

51. ## Algebra B

Is 25+20y+ 4y² a trinomial square?

52. ## Ethnics

According to research and news reports within the past 2 years, what are some of the changes the United States has made to policies concerning the treatment of Muslim and Arabic members of society

53. ## government

27. Understanding Concepts Answer each of the following questions in complete sentences. Be sure to support each answer with specific examples. 6 points each Federalism Explain how the system of federalism balances the needs of a strong national government

54. ## chemistry

a sample of oxygen gas has a volume of 2730 cm3 at 21.0 C. At what temperature would gas have a volume at 4000 cm3?

55. ## science

i need to preapare a project on science .... any sort of experinment.... what can be done that is intresting and then easy....

56. ## English

Thank you for your corrections. Here are some more sentences on history I'm not sure of (especially the parts included in brackets). 1)The Celts were expert farmers (?), hunters and deep-sea fishermen.The Romans introduced (I need a synonym: brought?)

57. ## economics

The 31 members of the board of the Student S. Inc. are about to take a secret ballot whether to accept the merger proposal of Student G. Corp. Each member can vote to accept the proposal, reject the proposal or to abstain. For the proposal to be accepted,

9x-7y=-49

y >=-1

0.8x+1

62. ## Physical Science

Four groups of rats are tested in a lab. Group 1 is given a special hornmone for muscle growth. Group 2 is given a special multivitamin diet. Group 3 receives both the hormone treatment and the multivitamin diet. Group 4 does not receive any extra

63. ## Physical Science

Compare a benifit and a risk of radiation therapy in the medical field.

64. ## English

Thank you very much. Here are some more sentences I'm not sure of. 1)I worked in a gym for a (one also possible?) year. 2)In 1989 film director Stanley Kubrik offered him the part (also: role?) of Bill Harford in the movie Eyes wide shut. 3)Where did he

65. ## special populations

Which has a greater influence on a person’s health: individual choices and actions (micro perspective) or community policies and resource availability (macro perspective)? Discuss three reasons why you selected one over the other.

66. ## math

a man purchased 3 item which cost 100 dollars. The second item is half of the first, and the third item is have of the second. How much was each item?

67. ## Math for educators 1

Jim bought two shirts that were originally marked at \$40 each. One shirt was discounted 20% and the other was discounted 25%. The sale tax was 4.5%. How much did he spend in all?

68. ## English

Could you please revise these sentences, too? Thank you. 1)Advertising has also a fundamental role on (?) the way we dress. If I were (was?) invited to a New Year’s party, I would wear a long grey long-sleeved shirt over a pair of black leggings and a

7/20

70. ## Algebra II

What is the equation of g(x) if the parent function is f(x) = x^2 and a = 2, h = -5 and k = 7 f(x) = 2(x-5)^2 + 7 F(x) = -3(x+5)^2 + 7 f(x) = 2(x+5)^2 + 7 f(x) = 2(x-5)^2 -7 I think it is 2(x+5)^2 + 7, is that right

-0.7x

72. ## math

cubic yardage in a 1.5 to 1 slope with triangle type curves

73. ## mechanics

how can construct a fuel cell engine

74. ## Algebra 1

Can someone help me get the answer step by step, please, Would greatly aprreciated. Thank you. 2x-5>x+13

75. ## Chem 20

What is the concentration of a titration curve of 65 ml of HNO3 with 0.800 mol/l KOH

flow chart

77. ## algebra

problem 1 Life expectancy of man 73.7, in 2002 it was 77.5 years since 1995 E(t) ? t+? E (11)= ? problem 2 14m+5n-5m-7n

78. ## math

rectangle A has length 12 cm and width 6 cm and while rectangle B has llength 8 cm and width 5 cm .find the ratio of the size of and angle of A to the size of an angle of B

79. ## comprehension:make inferences

make inferences about the situations or characters given. what if a dog... hides under a table and shakes when someone walks by?

80. ## Science

what is not moving; fixed?

81. ## science

what is the abstract in "determining what detergent would keep the plant alive?"

82. ## Math

What are the coordinates when its 25 km/hr at 27 degrees north of east?

83. ## English

I am looking for 4 kinds of narration in a short story.

84. ## Macroeconomics

Describe the significance of supply and demand to members of congress

85. ## English

Can you please have a look at these sentences? They are written as if they were part of an oral conversation. The general rules of punctuation are not respected and I find it difficult to check them. 1)I always dress what I like and in a simple way. 2)My

86. ## Algebra

p(x)=x^2-2x+10

From Chapter 19 - Discussion Question #6, page 574: Sales of a product are influenced by the salesperson’s level of education and gender, as well as consumer income, ethnicity, and wealth. a. Formulate this statement as a multiple regression model (form

88. ## math

8^2 = x^2 + x^2

89. ## physics

A frog in a hemispherical pod finds that he just floats without sinking in a fluid of density 1.30 g/cm3. If the pod has a radius of 3.00 cm and negligible mass, what is the mass of the frog?

90. ## Chemistry

A compund containing elements A and B has the formula A3B. If a jar containing 100 molecules of the compound A3B, how many atoms of type A are in the jar?

91. ## algebra

f(x)=-3x-5 what is the slope and y intercept?