Questions Asked on
July 8, 2009

  1. Physics

    Two particles having charges of +0.500nC and +8.00nC are separated by a distance of 1.20m. (a) at what point along the line connecting the two charges is the net electric field due to the two charges equal to zero? (b) where would the net electric field be

    asked by Sarah
  2. english

    Hello, I am writing an opinion essay on "Speak" by Laurie Halse Anderson. I have a thesis statement, but I am not sure if those reasons relate to it. Paragraph one: Introduction Thesis Statement (Yes or No): In a book called “Speak” by Laurie Hales

    asked by Yana
  3. physics conceptual

    A box containing a pebble is attached to an ideal horizontal spring and is oscillating on a friction-free air table. When the box has reached its maximum distance from the equilibrium point, the pebble is suddenly lifted out vertically without disturbing

    asked by Anonymous
  4. Algebra

    Consider the equation: 4x^2 – 16x + 25 = 0 (a) Show how to compute the discriminant, b^2 – 4ac, and then state whether there is one real-number solution, two different real-number solutions, or two different imaginary-number solutions. (b) Use the

    asked by Tammie
  5. math

    betty,cathy,isabel,lani,alma,and ursula ran an 800meter race. alma beat isabel by 7 meters. ursula beat betty by 12 meters. alma finished 5 meters ahead of lani but 3 meters behind ursula. cathy finished halfway between the 1st and last girl. In what order

    asked by leslie
  6. English

    1. Can you spare me a few minutes? 2. Can you spare a few minutes for me? 3. Can you spare a few minutes to me? (Which one is the same as #1, #2 or #3? Which one is grammatical between #2 and #3?) 4. You will may go back home. 5. You will be allowed to go

    asked by John
  7. Physics

    A uniform electric field exists in the region between two oppositely charged plane parallel plates. an electron is released from rest at the surface of the negatively charged plate and strikes the surface of the opposite plate, 3.20 cm distant from the

    asked by Sarah
  8. Sociology

    What is the 'Invisible hand'?

    asked by Kaylina
  9. English

    1. Don't eat too much apples before going to bed. 2. Don't eat too many apples before going to bed. (Which one is grammatical?) 3. His hobby is riding a horse. 4. His hobby is to ride a horse. 5. His hobby is riding on a horse. (Are all grammatical?) 6.

    asked by John
  10. Chem

    Is a C-H bond polar or non-polar? Is a C-Cl bond polar or non-polar? I have different sources giving me different ranges. One says that anything with an electronegetivity of 0.5 or less is non-polar and I have anothre source saying anything 0.3 and less is

    asked by Lena
  11. English

    1. The pizza is too hot for me to eat it. 2. The pizza is too hot for me to eat. 3. The pizza is so hot that I cannot eat it. 4. The pizza is so hot that I cannot eat. ( I think #2 and #3 are correct. Would you let me know why?) 5. Because I am tall, I can

    asked by John
  12. MATH

    Use a proportion to solve the problem. Under typical conditions, 1 1/2ft of snow will melt to 2 in. of water. To how many inches of water will 3 1/4 ft of snow melt? Express your answer as an integer or mixed number.

    asked by Chayo
  13. English

    1. Don't eat too much apples before going to bed. 2. Don't eat too many apples before going to bed. (Which one is grammatical?) 3. His hobby is riding a horse. 4. His hobby is to ride a horse. 5. His hobby is riding on a horse. (Are all grammatical?) 6.

    asked by John
  14. Chemistry

    How do I write out the reactants and products for the following chemical equation? How do I write the names of the products? How do I write the net ionic reaction for this double replacement reaction? barium acetate and potassium phosphate ->

    asked by Sue
  15. Macroeconomics

    A decrease in aggregate demand will cause A. aggregate supply to fall according to classical economists, and prices to fall according to Keynes. B. prices to fall and unemployment to increase according to both classical economists and Keynes. C. prices to

    asked by Mac
  16. Chem

    There is this one question that akss for the sum of bond dipoles. I don't understand that at all. What is the question asking? I thought I was figuring out if the difference between the dipoles and if I got a 0 then the molecule would be non-polar and if I

    asked by Lena
  17. MATH

    Round your answer to the nearest tenth of a percent. By switching service providers, a family's telephone bill decreased from about $50 a month to about $47. What was the percent of decrease?

    asked by Chayo
  18. chem

    U have to show the partial charges and bond dipoles on my ;lewis structure of CH3Cl For the partial charges would I just have a negetive sign as the superscript of Cl and a positive sign and the superscript of C ? What exactly must I do to show bond

    asked by Lena
  19. business comunication

    how efficient were words alone in expressing ideas

    asked by noredah
  20. writing

    scenario describes an individual or organization with specific IT needs. Based on the information presented in the scenario, make a recommendation for which computer system type would be the best fit for each individual or organization and why. response

    asked by scrnario
  21. art

    two vectors x1 = (20 m) x and x2 (15 m) x, compute and show graphically (a) x1 + x2, (b) x1-x2 and (c) x2-x1

    asked by Anonymous
  22. math word problem

    The owner of a rental house can depreciate its value over a period of 27 1/2 years, meaning that the value of the house declines at an even rate over that period of time until the value is $0 a. By what fraction does the value of the house depreciate the

    asked by chandice
  23. Algebra

    Solve the equation. Check all proposed solutions. Show work in solving and in checking. sqrt3-x=x-1

    asked by Katlyn
  24. Math

    Need help with my practice review. Thanks 1.If inflation is 6% a year compounded annually, what will it cost in 21 years to buy a house currently valued at $230,000? Round to the nearest cent. 2.A small company borrows $50,000 at 11% compounded monthly.

    asked by Chayo
  25. Mat/115

    In 1990, there were an estimated 145.0 million passenger cars registered in the United States. The total number of vehicles registered in the United States for 1990 was estimated at 194.5 million. What percent of the vehicles registered were passenger

    asked by Kelly
  26. Math

    Solve the system of equations using the matrix tool and enter the solution as an ordered pair. 3x + 4y = 18 2x + 5y = 19

    asked by Sandale
  27. HCA 210

    What do you see as the purpose of health insurance? Should there be limits on the amount of health care provided? If yes, what criteria should we use to ration health care? If no, how should health care be finances so that everyone has access?

    asked by sarah
  28. Chem

    How do I know which part of a compund is negectivly charged and which side is positivly charged? In BH3 how would I know if the B is positivly charged or negetively charged? and for hydrogen?

    asked by Lena
  29. writing

    What must you do to convert the annotated bibliography to an APA-formatted reference page as part of the rough draft of your research paper?

    asked by Anonymous
  30. Algebra

    Use the quadratic formula to find the exact solutions of the equation. Show work. Simplify the final results as much as possible. 4x^2 – 16x + 25 = 0.

    asked by Bonnie
  31. medical billing and coding from Penn Foster

    Give an example of a conversation between the person answering the phone at a dr's office and the patient who called could create a contract, (demonstrating the knowledge of contract law and agency law).. thanks for any help with this question

    asked by Shannon
  32. Human Resource Management

    How can HRM contribute to a company's success?

    asked by Marie
  33. radical expressions

    6 sqr90 - sqr7 + 9 sqr36. I'm sorry if I wrote it wrong I only know how to put the radical symbol, Thanks for your help.

    asked by Kay
  34. Math

    Here is the problem: Identify which of the following situations can be represented by 4 divided by 3/4, and explain your reasoning. A) Sue had 3/4 of a room to paint in 4 hours. How much of the room must she paint each hour to finish on time? B) Kendra has

    asked by B.B.
  35. Business

    I have a multiple choice question I don't know how to do, please help. I was thinking d). Structural resources of a frim include a) customer relationships b) databases c) organizational procedures d) All of the above e) None of the above

    asked by Ash
  36. microeconomics

    If a university faces a downward sloping, linear demand curve for the undergraduate education that it provides and is able to engage in perfect, first degree price discrimination(through obtaining detailed financial information from each prospective

    asked by anonymous
  37. English

    This question is based on the book "The Curious Incident of the Dog in the Night-time" by Mark Haddon. What do you think makes a hero? How does Christoper fit your idea of a hero? He has been described by some readers as "a new kind of hero" or "an

    asked by David
  38. Chemistry Suspension Examples...

    plz guys help me wer can i get examples of suspensions ineed it 3 examples i need

    asked by just_me
  39. history

    Should English be declared the official language of USA? List three effects that this law would have. Explain why or why not. pls help giving me ideas.

    asked by bindiya farswani
  40. Math

    If y is a number less than 0 but greater than -1, which of the following expressions has the greatest value? a 100y b y^2 c y^3 d y^4 e y^5

    asked by Jay
  41. education

    Currently, U.S. schools use technology significantly more than they did in the past. Research the use of technology in schools from 1980 until present day. Fill in the timeline below with events to depict the changes in school technology since 1980. You

    asked by Sueann
  42. Business

    Under what conditions would it be more appropriate to fill a key management position with someone from outside the firm when a qualified insider is available?

    asked by Susan
  43. Literature- Macbeth

    1. Lady Macbeth begins to feel intense remorse and guilt after A. Macbeth kills Banquo. B. Macbeth sees visions. C. She talks to the witches. D. Lady Macduff is murdered. Is it D? 2. An example of verbal irony is: A. Macbeth saying, “O, yet I do repent

    asked by James
  44. Chemistry

    Do hybrid orbitals (such as sp, sp2, sp3) possess higher energy than unhybridized ones (such as 2s, 2p)?

    asked by Hatala
  45. music

    what is meter in music and what are the kinds of meter?

    asked by sophia
  46. English

    I had to do this hero characterization and I did rough draft of the assignment. The direction ask me to do this: This character may be one you encountered either as a child or adult, one that may have appeared in any medium: television, film, literature

    asked by Anonymous
  47. Physics

    When two unequal point charges are released a distance d from one another, the heavier one has an acceleration a. If you want to reduce this acceleration to one-fifth of this value, how far (in terms of d) should the charges be when released?

    asked by Sarah
  48. Math Fractions

    What is the first step to adding multiple fractions (3) with differenct denominators?

    asked by Angie
  49. writing

    i need to write an essay contrasting 2 things and don't know what to write about. please help

    asked by leslie
  50. Econ

    Would the investment demand curve shift right or left: (a) New wireless technology enhances the use of all sorts of electronic equipment, making such equipment more flexible and productive. (b) Federal and state governments, responding to near-record

    asked by Ed
  51. math

    Without finding the exact answer, select which of the following numbers is the best estimate of each sum or difference and justify your choices: -2/3 0 or 2/3 1/9 + 2/5 - 1/3 - 3/4

    asked by chandice
  52. fin

    The description should include how earnings are valued, how shareholder wealth can be maximized, and how management decisions affect stockholder wealth.

    asked by scooby9132002
  53. Astronomy

    Why do widths/strengths of spectral lines differ between supergiant stars and main sequence? Does the density of gases in the outer layers play a part?

    asked by nichola
  54. english hs aeneid question

    can someone tell me the reason why Aphrodite and Hera were feuding? was it because they didn't want Aeneas to make to Italy?

    asked by jake
  55. psychology

    what are the myths surrounding hunger and satiety?

    asked by Keith
  56. MATH

    if 64^3=4^x what is the value of x ?

    asked by Jay
  57. physics

    there's a equation for wavespeed=wavelength*f the wavespeed doesn't depend on the wavelength. Why not? if you double the wavelength, won't the speed increase as well. In my book, it says that v is unchanged. I don't understand

    asked by Anonymous
  58. MATH

    if 64^3=4^x what is the value of x ?

    asked by Jay
  59. social studies

    how does a democrate work

    asked by donald