Questions Asked on
December 2, 2006

  1. Physics help--explosion

    Figure 9-56 shows a two-ended "rocket" that is initially stationary on a frictionless floor, with its center at the origin of an x axis. The rocket consists of a central block C (of mass M = 6.00 kg) and blocks L and R (each of mass m = 2.90 kg) on the

    asked by fizzix
  2. help riemann sums

    the expression 1/50 (1/50 +2/50+ 3/50+ .....50/50)is a Reimann sum approximation for (everything in the parantheses is square root except the 1/50 outside the paratheses) the answer has to me the integral form so from looking at the formula in my book i

    asked by david
  3. Music

    Isn't "In a Mellotone" an example of big band swing or small group swing? I thought it was big band swing but was told otherwise that it wasn't. Can anybody clarify. It is big band swing. Count Basie, Duke Ellington had this tune as mainstays. They

    asked by Sarah
  4. Another Problem...PLz Help COunt Iblis

    Statements Reasons 1. 3x - 7 = -4 2. 3x - 7 + 7 = -4 + 7 3. 3x + 0 = -4 + 7 4. 3x + 0 = 3 5. 3x = 3 6. (1/3) 3x = 3 (1/3) 7. (1/3) 3x = 1 8. 1x = 1 9. x = 1 Is this problem about explaining each step? yeah like you have to write the property of each Are

    asked by Margie...
  5. Calculus

    I have to find the area of the largest possible rectangle that can be inscribed under the curve y=e^(-x^2) in the first and second quadrants. How do I do this? It is symmetrical, so one could ignore the second quadrant, and work on the largest rectangle in

    asked by mat
  6. Physical Education

    I just want to know what different branched there are in taking a major in physical education. I know you can go into teaching, athletic training, but I want to know if there are any other areas. Physical tharapy, Sports Medicine, Phisiology of astronauts

    asked by Frank
  7. AP CHEM FULL ?

    This is part of a marathon problem, we have to identify the five compunds of H, N, and O described below. For each compound, I have to write a Lewis structure that is consistent with the information given. a.) All the compunds are electrolytes, although

    asked by Sam
  8. REPOST!PLZ HELP!ALGEBRA!

    You give up too easily. How? I posted how to get the answer below at the original question. OK but I replied... As did I. Well...I replied...again... Maybe you do understand this for horizontal lines. If you interchange x with y, vertical and horizontal

    asked by DrBob222
  9. physics

    Identical forces act for the same length of time on two different masses. The change in momentum of the smaller mass is A) smaller than the change in momentum of the larger mass, but not zero. B) larger than the change in momentum of the larger mass. C)

    asked by tyler
  10. Algebra...

    Write the equation of a vertical line passing through the point (8,-4). Graph x=8 and see if that is what you want. I don't understand?!What do you mean? Do you know how to draw a graph? Plot X=8, y=0 x=8, y=2 x=8, y=4 and see what kind of a line you get.

    asked by Margie...
  11. Physics- Newton's Laws in Space

    Hi! I would really appreciate it if you could help me think through these questions discussing Newton's Laws in Space... Directions: Consider the following scenarios ignoring the effects of gravity: 1. You are the capitan of a spacecraft traveling in the

    asked by Sophie
  12. Chemistry

    Double Displacement Reactions ____Ca(OH)2 + _____ H3PO4 it forms calcium phosphate (Ca3 PO4 and water (HOH)

    asked by Sonja
  13. physics

    A hydrogen atom is in its n = 6 excited state. Determine, according to quantum mechanics, each of the following: (a) The total energy =eV (b) The magnitude of the maximum angular momentum the electron can have in this state =J s (c) The maximum value that

    asked by MIke
  14. AP Chemistry HELP!!!

    This is part of a marathon problem, we have to identify the five compunds of H, N, and O. As well as write a Lewis structure that is consistent with the info. PLease help I don not even understand the ? a. All the compunds are electrolytes, although not

    asked by Sam
  15. physics-- deflection

    hello, again the problem is... I don't know what to measure/look for if we want to calculate deflection. From doing this project, we are to define what deflection is. As I understand your problem, you are putting a force on a horizontal cantilever. Measure

    asked by Jan
  16. medicine

    how can i solve this?prepare 150ml of a 7.5%dextrose sol.you have D5%W and D10%W. how much of each sol. is needed? I assume the 7.5 dextrose is going to be on a w/w basis also. This is really simple, no algebra needed. Since 7.5 is halfway between 5 and

    asked by rimple
  17. Math - Algebra 2

    In a certain math class, each student has a text book, every 2 students share a book of tables, every 3 students share a problem book, and every 4 students share a mathematics dictionary. If the total number of books is 75.. how many students are in a

    asked by AS
  18. physics

    I am to measure the deflection by contructing a post and lintel system using the dowels I have (with different diameters, which will be my variables). This is a system to measure the deflection under a load. I want to create a chart to present my results,

    asked by Jan
  19. Math - PLZ HELP> ASAP

    Furnishing an apartment you have just graduated from HS and you and your best friend are looking to rent an apartment. The apartment you would like to rent costs 972.00 a month. You earn $1500 a month. You share montly expenses with your roomate: rent

    asked by Agnes
  20. Biology

    Use an example to describe the relationship among cells, tissues, organs, and organ systems. Do you mean analogy rather than example? If so: Picture a living organism as a city. The houses are cells, city blocks are tissues, residential areas could be

    asked by marco
  21. Inter. Algebra

    Count Iblis how do you simplify 3square root sign with this underneath (3x squared y) to the third power? "3 square root sign" probably means "cube root", in which case [(3 x^2y)^3]^(1/3) = 3 x^2 y The cube root of any quantity x can be written x^(1/3)

    asked by Andrea
  22. calculus help please

    hi what is lim as x reaches one of the function x/LN(x) is it one or does the limit it not exist. hi what is limit as x reaches one of the function x/LN(x) is it one or does the limit it not exist. Have you tried graphing it? That will tell you if the

    asked by Anonymous
  23. English

    Write half page for each topic. What do you feel about? or something you wish to know or learned ? in college about? 1. Test preperation. 2. Faculty expectaton. I believe this is an assignment your teacher wants YOU to write. Anyone else's opinions about

    asked by shish
  24. Inter. Algebra

    square root sign 2x+3 - square root sign x-2 =2 In my head, I worked it as x=3. I did that because only sqr roots that are rational integers can be subtracted to give a whole number. Now, analytic method. I have no idea, I don't see a simple method in

    asked by Andrea
  25. english

    old english period and middle english period.....facts, literature, event, features Old English: http://en.wikipedia.org/wiki/Old_English_language http://www.georgetown.edu/faculty/ballc/oe/old_english.html http://www.mun.ca/Ansaxdat/vocab/wordlist.html

    asked by curly
  26. Math - Algebra 2

    A chemical compound evaporates in a predictable way. In the first hour 1/2 of the amoun in the jar at the beginning of the hour evaporates. In the second hour 1/3 of the amount in the jar at the beginning of the second hour evaporates. In the third hour

    asked by AS
  27. physics

    A constant force is applied to an object that causes a certain displacement. If the angle between the between the force and the displacement is 146 deg, then the work done by this force is A) zero B) not enough information given C) positive D) negative not

    asked by tyler
  28. financial investment homework

    Hi, My name is Franklin. I have a question on financial investment. Sue and Tom Wright are assistant professors at the local university. They each take home about $40,000 per year after taxes. Sue is 37 years of age, and Tom is 35. Their two children, Mike

    asked by Franklin
  29. human anatomy-nervous system

    I am a little confused about the action potential concept (see nervous system) I have 3 multiple-choice questions that I need help with: Which is the correct sequence of events that follows a threshold potential: 1.the membrane becomes depolarized 2.sodium

    asked by Sarah
  30. PRoof reasons in Algebra

    Statements Reasons 1. 3x - 7 = -4 1. 2. 3x - 7 + 7 = -4 + 7 2. 3. 3x + 0 = -4 + 7 3. 4. 3x + 0 = 3 4. 5. 3x = 3 5. 6. (1/3) 3x = 3 (1/3) 6. 7. (1/3) 3x = 1 7. 8. 1x = 1 8. 9. x = 1 9.

    asked by Alex
  31. Inter. Algebra

    what is the answer to 12x squared y cubed /2xy squared +6xy * y squared +6y+9 /3y cubed +9y squared? You have not written an equation, only an algebraic function, with two variables. You need to add parentheses to clarify the order of operations. There is

    asked by Andrea
  32. Reasons in Proof

    *I KNow only #6 which is relfexive,I think...You have to find the reasons for this...* 1. 3x - 7 = -4 2. 3x - 7 + 7 = -4 + 7 3. 3x + 0 = -4 + 7 4. 3x + 0 = 3 5. 3x = 3 6. (1/3) 3x = 3 (1/3) 7. (1/3) 3x = 1 8. 1x = 1 9. x = 1

    asked by Alex
  33. Inter. Algebra

    what is the answer to 2i to the 5th power? i^2 = -1 --> i^4 = 1 ---> i^5 = i (2i)^5 = 32 i thanks for the info!

    asked by Andrea
  34. Biology ?

    Use an example to describe the relationship among cells, tissues, organs, and organ systems Do you mean analogy rather than example? If so: Picture a living organism as a city. The houses are cells, city blocks are tissues, residential areas could be

    asked by marco
  35. English-- Help Please

    "Keep the ball rolling" is an example of which? redundant wording complex words a cliche independent adjective Would it be a cliche? Yes

    asked by Lenora
  36. pharma medicines

    a dose of beclomethasone inhalant is 200mcg twice a day. the commercial inhaler delivers 50mcg per inhalation and contains 200 inhalations.how many inhalers should be dispensed to a patient if a 60-day supply is prescribed? At 50 mcg per inhalation, 200

    asked by rimple
  37. physics

    I am to measure the deflection by contructing a post and lintel system using the dowels I have (with different diameters, which will be my variables). I want to create a chart to present my results, but I don't know what I need to measure or what to look

    asked by Jan
  38. pharma medicine

    you are combining 50ml of a 20%sol,150ml of a 15% sol.,and 200ml of a 35% sol.what is the final % concentration of the mixed sol. how many total grams are is the final sol? Grams total= .2*50 + .15*.15 + 200*.35 This is making a big assumption: that the

    asked by rimple
  39. calculus

    find f(x,y+k)-f(x,y)/k when f(x,y)=x^2y+2xy^2

    asked by somerth
  40. calculus

    fine the area bounded by the graphs of y=5x^2, y=20 5 x^2 = 20 ---> x =+/-2 Area is F(2) - F(-2) where F(x) = 20x - 5/3 x^3

    asked by shanere
  41. world history

    what is the distance the Chinese explorers taveleed to reach the eastern coast of Africa. And how does it compare to Prine Henry's? You can work that out from this site. www.worldatlas.com/ Figure the distance from China to Africa, then figure the distance

    asked by danielle
  42. Math - Business Math / Accounting

    A person applying for a sales position is offered an alternative salery plan. Plan A- A base salery of $600 per month plus a commission of 4% of the gross value for the month Plan B- A base salery of $700 per month plus a commission of 6% of the gross

    asked by AS
  43. GS

    write a half-page paragraph.WHAT IS Grading point Average (G.P.A.)? what is your opinion on it? how do you feel about it? A half-page shouldn't be difficult. Someone shall be happy to critique your writing.

    asked by jete
  44. English

    Here goes my essay on interpersonal communication: being aware of of this fact, I proceed to find out what are my nonverbal listening pattern. To do so, I prepared a 500 word speech to be presened in less than half an hour to a small group of my church. In

    asked by haydee
  45. A Math Equation...Plz Help...

    |2x + 4| is always larger than or equal to zero. This means that the left hand side of the equation is always 6 or less, so there are no solutions. 6 - 3|2x + 4| = 12 So I just put NO Soution? No solutions, or if you have to write down the solution in the

    asked by Count Iblis
  46. Inter. Algebra

    Simplify 2i to the 5th power? (2i)^5 = 2^5 * i^4 * i = 32 (-1)^2 * i = 32 i

    asked by Andrea
  47. federal court system/criminal justice

    There is a large round up of gang members, this is a federal case but is being supported by about 50 local officers and state troopers. I need help please, coordinating the informaiton for briefing on the process at the federal court building. The briefing

    asked by Jo
  48. homework

    what region of the world are have these two serious problem, air or water pollution and overpopulation. earthquakes can cause tsunamis When Ken or any other person posts a response that is clearly copied and pasted from another website (as the above

    asked by nickey
  49. Math - Algebra 2 some1 plz help?

    in a certain math class, each student has a text book, every 2 students share a book of tables, every 3 students share a problem book, and every 4 students share a mathematics dictionary. If the total number of books is 75.. how many students are in a

    asked by Agnes
  50. calculus help

    find the producer's surplus at a price level of p=$150 for the price-supply equation p=S(x)=100-0.25x is received p=200 the final answer is 5000 is this correct and can you do the steps so i can see if i did i correct You have not defined x. Is S supposed

    asked by shanere
  51. Music

    Doesn't Louis Armstrong begins "West End Blues" with a stop time? You might try browsing these 2 links:

    asked by Mariah
  52. geology-important!

    hi i am looking for geologically relevant song lyrics or poetry published after 1990. i realllly need to find this any help i would appreciate so much!!! thank you. http://www.danneyball.com/_51.htm

    asked by ash
  53. Its not English, but its GENERAL STUDIES

    Write half page for each topic. What do you feel about? or something you wish to know or learned ? in college about? 1. Test preperation. 2. Faculty expectaton. I am uncertain what you want here. We will be happy to critique your writing. What do you feel

    asked by SHISH
  54. calculus

    f(x+k,y)-f(x,y)/k when f(x,y)=4x^2y

    asked by shanere
  55. calculus

    y=e^x, y=0, -1< x < 2 The area is: Exp[2] - Exp[-1]

    asked by shanere
  56. Math- VERY IMP. PLZZZ HELP!

    Mrs Walsh is seeking legal advice. A friend of her recommended two law firms - Legal Eagles, which charges a consultation fee of $100 plus $40 per hour and A-1 Attorneys, which charges a consultation fee of $60 per hour. A) Write an equation for the cost

    asked by Agnes
  57. Math

    Simplify: 4^(-1/2) 4-1/2 = 1/41/2 = 1/2. check my work. On exponents, negative means reciprocal. 4(-1/2) means the same as 1/4(1/2) which is the same as 1/squareroot(4) so the answer is 1^4 no, of course not. The square root of 4 is 2 isn't it? so

    asked by Alex
  58. Inter. Algebra

    how do you foil 12x squared y cubed?

    asked by Andrea
  59. Inter. Algebra

    what is the answer to 2 square root of 18x? Do you mean 2*(18x)1/2? What does it equal. What are we to do with the problem? DrBob222, My problem states 2 square root sign & 18x underneth it. If you could help me with this problem I'd really appreciate it.

    asked by Andrea
  60. Inter. Algebra

    can you simplify 12x squared y cubed?

    asked by Andrea
  61. Inter. Algebra

    Another problem plz help Count Iblis. How do you solve 5/x+2 + 2x/x squared - 4= 3/x-2? 5/x+2 + 2x/x squared - 4= 3/x-2 You write the term: 2x/x squared as 2/x the equation becomes: 5/x+2 + 2/x - 4= 3/x-2 4/x = 0 This equation has no solutions. It is only

    asked by Andrea
  62. Different Question Count Iblis...Please help!

    If 3x - 7 = -4, then x = 1. Write the hypotheses of this statement *Also are you still going to elp me with my other problem?

    asked by Margie...
  63. Inter. Algebra

    Count Iblis what is the answer to 2 square root sign 18x? The instructions say to simplify or reduce. 2*(18x)1/2= 2*(9*2)1/2= 2*3(2)1/2= 6*(2)1/2 If you can leave it in this form, the above is the way to end. If you are to continue to a final answer, then,

    asked by Andrea
  64. Plz Help!I Need to find Hypotheses for prob.

    If 3x - 7 = -4, then x = 1. Write the hypotheses of this statement

    asked by Margie...
  65. Writing

    When developing a written plan, a technique in which the writer includes every detail as it occurs is called what? 1. Writing a rough draft 2. mapping out 3. outlining 4. brainstorming Would the correct answer be brainstorming? I think probably outlining

    asked by Sissy
  66. Algebra Powers

    (2a^5)^3 (2a^5)^3 = 8 a^15

    asked by Margie...
  67. chemistry

    what is BROMIDE not mormine? "mormine" is not a chemical term at all. Are you sure you spelled it correctly? Do you mean bromine? A "bromide" is any compound made up of a positive ion combined with negative ion Br-.

    asked by joseph
  68. science

    What food is a common ingredient of dynamite?

    asked by Cindy