Questions Asked on
March 14, 2008

  1. trig

    eliminate the parameter t from the following x = 4 sin t y= 7 cos t sketch the graph

    asked by Abe
  2. chemistry

    The solubility of the oxidizing agent potassium permanganate is 7.1 g per 100.0 g of water at 25° C. What is the mole fraction of potassium permanganate (KMn04) in this saturated solution? What is the molality of the potassium permanganate solution?

    asked by thanh
  3. word problem

    Working together, Larry, Moe and Curly can paint an elephant in 3 minutes. Working alone, it would take Larry 10 minutes or Moe 6 minutes to paint the elephant. How long would it take Curly to paint the elephant if he worked alone? Thanks.

    asked by jen
  4. Chemistry - Science

    My question is is petrol , Kerosene , oil and Naptha all hydrocarbons which means that they all contain only hydrogen and carbon ? and nothing else?

    asked by Lil Kid
  5. math

    what do you get when you cross two ducks with a match?

    asked by shannon
  6. math

    what do you get when you cross a stick of dynamite with a lemon pie?

    asked by shannon
  7. Discrete Math: Equations of a Line

    Find parametric equations for the line that passes through the point (0, -1, 1) and the midpoint of the line segment from (2, 3, -2) to (4, -1, 5). I don't know how to solve this problem.

    asked by Anonymous
  8. trig

    eliminate the parameter t from the following x = 9sin t y = 9cos t

    asked by Abe
  9. pre-algebra

    Mrs. Boyd went shopping at city center Mall. she parked her car in the parking garage. The cost for parking was $1.00 for the first hour and $0.75 for each additional 1/2 hour. Mrs. Boyd paid $4.75 for parking. Write an equation to find how long Mrs. Boyd

    asked by Dj
  10. science

    Im doing my resistance of a wire coursework. If a wire is longer why does the voltage increase and the current decrease?

    asked by Andrew Boynton
  11. managerial economics

    When McDonald's Corp. reduced the price of its Big Mac by 75% if customers also purchased french fries and a soft drink, The Wall Street Journal reported that the company was hoping the novel promotion would revive its US sales growth. It didn't. Within

    asked by jean
  12. ETH

    The final project for ETH 125 is a 1,400- to 1,750-word autobiographical research paper on race in your community. The CheckPoints and assignments in class are designed to stimulate your awareness of cultural diversity issues, so, as you craft your final

    asked by Elizabeth
  13. chemistry

    According to Raoult's law, which statement is false? a. The vapor pressure of a solvent over a solution decreases as its mole fraction increases. b. The solubility of a gas increases as the temperature decreases. c. The vapor pressure of a solvent over a

    asked by thanh
  14. Science

    Sucrose and glucose contain the elements carbon, oxygen, and hydrogen. What kind of elements are these?

    asked by Haley
  15. Algebra HELP!

    Simplify expression 81^1/4 =(4 sqroot81) = (3)

    asked by Cindy
  16. Books: "Return to Laughter" and "Things Fall Apart

    What are some differences between the book "Return to Laughter" and "Things Fall Apart?"

    asked by Ashley
  17. geometry

    In right triangle ABC, angle C=90 degrees, AC = 3 and CB =4. If D is on segment AB and DB = 2, find the distance from D to C.

    asked by carson
  18. government

    why does a member of congress vote as he or she does? like their race, gender, all that stuff. and where does the true power of congress lie?

    asked by s
  19. math

    0k i don't know the answer for these percents, decimals, and fractions. You have to change decimals to percents, fractions to decimals, and percents to fractions. 0.23 3/100 32 1/2% 0.25 3/5 75% 1/8 0.835 10% 95% 4% 120% 0.3333.... 1.05 1/6 If you can

    asked by Kenya
  20. Chemistry - please this is urgent

    To a calorimeter containing 41.80g of water at 29.95oC, 11.7999 of a salt was added with stirring. As the salt dissolved, the temperature rapidly changed to 37.85oC before slowly returning to room temperature. 1. Calculate the Heat of Solution. Given that

    asked by girl who needs help in chemistry right now
  21. O.Chemistry *****PLEASE CHECK*****!!!!

    Please check these out for me, if I am correct: Match the following statements with SN1 or SN2 reactions: 1) The order of reactivity in alkyl halides is methyl>primary>secondary>tertiary 2) There is an intermediate carbocation 3) The rate-limiting step

    asked by K
  22. business law

    Does a minor's duty of restitution supercedes duty of restoration?

    asked by sUE
  23. Math

    Hi SOCK is a parrallelogram .through a variable point H of[SC] draw the parallel to [OS]which cuts [SK]in E and [OC] in F. the parallel to [OC]cuts [OS]in M and [KC]in N. Find the locus of I midpoint of [HM].

    asked by suha
  24. biology

    what is a microscope who uses a microscpe when was the microscpe discovered who discovered the microscope

    asked by sussie
  25. naturalsciences

    what is a microscope

    asked by sussie
  26. Economics

    i have the following essay to do and need help...Track interest rate changes in the euro zone over the past five years and analyse why the changes were brought about. See if this enabled the European governments to hit its inflation target.

    asked by Martina Forde
  27. Calculus - Partial Fractions

    What is the integral of 7e^(7t) Divided By e^14t+13e^7t+36 Using partial fractions

    asked by Sean
  28. Geography

    What government imposed barriers stop or hinder the export of automobiles? "export" as in shipping to other countries i think?!

    asked by Anne
  29. algebra

    How do you solve this problem? 5y + 4y ¡Ü -54

    asked by Casey
  30. chem.

    A closed gas system at 855K has a colume of 6060mL and pressure of 935 mmHg. If the temp. is increased to 950.0 celcius , the volume decreases to 3910mL. What is the resulting pressure? Express answer in kPa. Is 202,000,000kPa right?

    asked by aaaaa
  31. trig

    Write an expression that gives all solutions to the equation sin x + cos x = - radical 2

    asked by Abe
  32. algebra

    Can someone show me how to graph this equation by graphing? 5x-4y=-8 4y-5x=8

    asked by Anonymous
  33. algebra

    Can you show me how to solve this problem? 5y + 4y ¡Ü -54

    asked by Casey


    asked by Kate
  35. algebra

    I am looking for a perpendicular line. I'd appreciate ir if you could tell me if I'm on the right track. I am given y=-5x + 4 and know that a perpendicular line passes through (3,5). I think the slope of this line would be 1/5 so it would go up (rise) 1,

    asked by chris
  36. Physics

    An object is projected at an angle of 53.1degrees above the horizontal at a speed of 50m/s. Sometime later it enters a narrow tube positioned at an angle of 45degrees to the vertical. Determine: a) The initial horizontal and vertical components of

    asked by Anonymous
  37. English expression

    The family is the base unit of our society. Let's learn the expressions of understanding family relationship and of introducing family. 1. Realistic Information(family) 2. Comparison 3. Describing the fact How do you describe other persons' appearances?

    asked by John
  38. History

    a.One way that opposition to civil War was suppressed was the denial of the right of_________ b.A _______ was an area set aside exclusively for Native American Tribes. c.A_________ is a place set up to provide housing and a standard of living for the

    asked by Sarah
  39. English expression

    Let's find out who is being introduced to whom, and draw a line between them. After that introduce the friends sitting on both your sides. --------------------- Are the expressions above correct? 1. sitting on both your sides. 2. sitting on your both

    asked by John
  40. English expression

    What Number is Mike? He is Number 71. What number is Mike? He is number 71. Which one is correct? Do I have to capitalize number?

    asked by John
  41. History

    1 The Pilgeims who settled the Plymonth Colony: a.develpoed a harsh dictatorship under William Bradford. b.Created a truly democratic government for all men and women. c.Landed for the winter and planned to move to Virginia in the spring as they had

    asked by JUSTINE
  42. managerial economics

    When McDonald's Corp. reduced the price of its Big Mac by 75% if customers also purchased french fries and a soft drink, The Wall Street Journal reported that the company was hoping the novel promotion would revive its US sales growth. It didn't. Within

    asked by jean
  43. managerial economics

    Can someone explain cost structure and market structure to me please.

    asked by jean
  44. biology/science

    i am doing a paper and i need to find the pros to embryonic stem cells I only have one reason which is medical but I need 4 more. Can anyone give me general ideas of pro arguments

    asked by john
  45. pre-algebra

    can someone check if this inequality is solve right 5x + 3 >= 28 -3 -3 5x >= 25 5 5 x

    asked by Dj
  46. Calculus - Anti-Derivatives

    How would you find the Integral of (cos(x\8))^3, defined from -(4 x pi)/3) to (4 x pi)/3)

    asked by Sean
  47. maths

    John is making cakes with nuts. He can choose between 4 flavors of cakes, 3 colors of frosting, and 2 kinds of nuts. He chooses one flavor, one color and one kind of nut. How many different cupcakes could be made?

    asked by sb
  48. economics

    What fiscal, monetary, and supply-side policies do you believe are currently needed in the US to maintain economic growth, employment, and stable prices. Be specific and support your answer.

    asked by Anonymous
  49. Misc.

    Our English teacher has been helping us work on a contest for the past month. She has bought us pizza, brought food for us, and even allowed us to miss her class. She has really been a great help and we want to give her a present... Any Ideas? She likes to

    asked by Anonymous
  50. economics

    When Mother Theresa accepted the Nobel prize for Peace in 1979 and decided to use the $190,000 award to construct a leprosarium, was she acting in her own interest? Was she behaving selfishly? Was she following economic principles? Explain.

    asked by Anonymous
  51. pre-algebra

    Shannon put $ 7,000 in a 5 year CD that paid 8% interest per year. Malcolm put $6,000 in a 5 year CD that paid 10% interest. What was the balance of each person's account at the end of the 5 years? Who made more money and how much more did they make? (Use

    asked by Dj
  52. ETH

    I have the same problem as all of you all. But how am I supposed to cite the paper??????? Please help!!!!!!!!

    asked by Elizabeth
  53. Calculus - Integrals

    I know I've probably flooded the site or something (Sorry if I have), it's just that these problems aren't similar to anything I've reviewed in class. I've got two more questions, then maybe 1 or 2 more coming. That's all I can see in the future, anyhow.

    asked by Sean
  54. science

    one basic step to reduce a combination circuit to its simplest form is to solve for each?

    asked by Anonymous
  55. science

    what is one basic step to reduce a combination circuit to its simplest form

    asked by Anonymous
  56. chemistry

    What is the molarity of a solution of 10% by mass cadmium sulfate, CdSO4 (molar mass = 208.46 g/mol) by mass? The density of the solution is 1.10 g/mL.

    asked by thanh
  57. business

    2. Scaling Study Develop a short questionnaire (five to ten questions) and distribute it to at least ten people. Use at least two different types of questions in the survey. Analyze the responses and comment on the validity and reliability of your

    asked by JAMES
  58. History-Civil War

    Why was the fishhook formation in the battle of Gettysburg a strong position for the Union forces?Thanks

    asked by Mike
  59. German

    HOw would I say "Dear son" and "Love from" in German?

    asked by Kurst
  60. ETH 125

    Post a 200- to 300-word summary of a current issue between Native Americans and the federal government. Identify the legislation that you think is linked to the issue, and explain why you think there is a connection.

    asked by lisa
  61. Math

    I have forgotten how to do ratios...Please help. The standard ratio of(number of treatments) and (total mL dose) are 3.5 to 2mL. If only 2 treatments are given, how many total mL doses are given?

    asked by Kellie
  62. IT 221

    How can a project manager be sure that he or she has chosen the correct metrics to assess project performance? Give at least three examples.

    asked by lisa
  63. IT 221

    Create a 200- to 300-word response to the following scenario: During the implementation phase of a project, as a project manager you are facing many team issues (such as family issues and interpersonal conflicts) and these issues are creating risks that

    asked by lisa
  64. History-Civil War

    What advantage did Meade have operating in a region friendly to the Union cause?

    asked by Mike
  65. finance *repost*

    According to the Value Line Investment Survey, the growth rate in dividends for JCPenney for the previous 10 years has been -10 percent. If investors feel this growth rate will continue, what is the required return for JCPenney stock? Does this number make

    asked by confused
  66. managerial finance

    The growth rate in dividends for IBM for the next five years is expected to be 19 percent. Suppose IBM meets this growth rate in dividends for the next five years and then the dividend growth rate falls to 5 percent indefinately. Assume investors require

    asked by help
  67. italian

    how do you say "i dream of freedom"? is it sogno della libertà?

    asked by remedy
  68. environmental science

    I am having a hard time understanding what a hypothesis is. Anyone able to help me in terms that I might understand?

    asked by Mimi