Questions Asked on
January 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?

    asked by Andrew
  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

    asked by anu
  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?

    asked by jake
  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

    asked by anu
  5. Algebra

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

    asked by Monique
  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

    asked by Franco
  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?

    asked by Anonymous
  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 :(

    asked by Marie
  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

    asked by gladys
  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

    asked by anu
  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

    asked by Jen
  12. approximation fractions

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

    asked by Lecia
  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

    asked by Franco
  14. chemistry please help!!

    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

    asked by fadi
  15. algebra

    0.8x+1

    asked by Donna
  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

    asked by Rhea
  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

    asked by Sarahana
  18. GOVERNMENT

    CONGRESS CONSISTS OF WHAT TWO BODIES

    asked by hunter
  19. Algebra-please check

    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

    asked by Joseph
  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?

    asked by lilmissluck
  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?

    asked by Mellie
  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

    asked by yolanda
  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) =

    asked by anu
  24. writing

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

    asked by gayathri
  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

    asked by blueyeshadow
  26. his

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

    asked by Anonymous
  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

    asked by needhelp!!!
  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

    asked by Joseph
  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

    asked by linda
  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

    asked by casey
  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

    asked by joshua
  32. Algebra -Please check

    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?

    asked by Jessie
  33. 5th math

    n - 2/3 = 3/4

    asked by jill
  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?

    asked by Jay
  35. Business studies

    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

    asked by Peppermintmocha
  36. algebra

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

    asked by Diane
  37. algebra

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

    asked by Diane
  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?

    asked by veronica
  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

    asked by Franco
  40. chemistry

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

    asked by Anonymous
  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?

    asked by Anonymous
  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?

    asked by sharika
  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.

    asked by Bri
  44. algebra

    3r-5s = -14

    asked by shirley
  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.

    asked by Bri
  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}

    asked by joshua
  47. Algebra

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

    asked by joshua
  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

    asked by Franco
  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

    asked by Franco
  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

    asked by bob
  51. Algebra B

    Is 25+20y+ 4y² a trinomial square?

    asked by Nancy
  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

    asked by Trish
  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

    asked by love
  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?

    asked by eli
  55. science

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

    asked by sanyukta
  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?)

    asked by Franco
  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,

    asked by jean
  58. algebra

    9x-7y=-49

    asked by Donna
  59. algebra

    y >=-1

    asked by Donna
  60. Math

    Hi Please helpe me to demonstrate that lim x->0 [ln(1+x)+ln(1-x)]/[cos(x)-1]= 2

    asked by Max
  61. algebra

    0.8x+1

    asked by shirley
  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

    asked by SHAZAM
  63. Physical Science

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

    asked by SHAZAM
  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

    asked by Franco
  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.

    asked by anna
  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?

    asked by diane
  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?

    asked by Aquana Moore
  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

    asked by Franco
  69. Math

    7/20

    asked by Ariel
  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

    asked by Sammy
  71. Algebra

    -0.7x

    asked by Anonymous
  72. math

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

    asked by jennifer
  73. mechanics

    how can construct a fuel cell engine

    asked by pradee
  74. Algebra 1

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

    asked by Esther
  75. Chem 20

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

    asked by Anonymous
  76. oman

    flow chart

    asked by shamsa
  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

    asked by Diane
  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

    asked by maya
  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?

    asked by destiny
  80. Science

    what is not moving; fixed?

    asked by Jon
  81. science

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

    asked by may
  82. Math

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

    asked by Liezel Matias
  83. English

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

    asked by linda
  84. Macroeconomics

    Describe the significance of supply and demand to members of congress

    asked by Holly
  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

    asked by Franco
  86. Algebra

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

    asked by Donna
  87. business research

    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

    asked by asma
  88. math

    8^2 = x^2 + x^2

    asked by Anonymous
  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?

    asked by julie
  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?

    asked by Catie
  91. algebra

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

    asked by shirley
  92. algebra

    g(x)=10/4-7x

    asked by shirley
  93. Physical Science

    To create a supernaturated solution, a student heats a beaker of water on a hot plate and adds sugar until no more sugar will dissolve. The student then strains the solution through a funnel using filter paper and allows the solution to cool. Name two

    asked by SHAZAM