Questions Asked on
February 27, 2009

  1. math

    what did they call the duck who became a test pilot

    asked by Anonymous
  2. Organic Chemistry

    Benzene is often produced as a by-product during the synthesis of phenylmagnesium bromide. how can its formation be explained? Write a balanced chemical equation for the formation of benzene.

    asked by Blair
  3. Organic Chemistry

    What product is expected from the reactino of fumaric acid (trans-2-butenedioic acid) with 1,3-butadiene?

    asked by Blair
  4. Spanish

    Can someone please check my work? These students are at school. Put the senence in the correct order using the correct form of the verb ir. 1. Sandra y Pablo/gimnasio (ir) Sandra y Pablo van al gimnasio. 2. yo/todos los dís/a la escuela (ir) Yo estoy a la

    asked by Larry
  5. Science/Math

    If a barrier island that is 1km wide and 10km long loses 1.5 m of its width per year to erosion by a longshore current, how long will the island take to loose one-fourth of its width. Please show step by step how to work this problem. Thank you

    asked by Dan1
  6. College Math

    A cooler contains 7 cans of cola: 6 regular colas and 4 diet colas. If 3 cans of cola are selected at random, what is the probability that 2 cans of regular cola and 1 can of diet cola are selected?

    asked by Willow
  7. Algebra

    Solve the system of equations using substitution. x + 4y = -5 3x - 8y = 45 When I tried to solve it, I got x=-17 and y=-3. When I plugged these into the first equation, it didn't work out at all. Could someone please show me the steps so I can see where I

    asked by Cassie
  8. Microeconomics

    How and why the developments discussed in the Wall Street Journal Story below affect the elasticity of demand for the flat screen TV’s produced by an individual firm such as Sony or Panasonic. Want a flat-panel TV with that tool belt? Home-improvement,

    asked by Adam
  9. calculus

    Use integration by parts to evaluate the definite integral. Intergral: xsec^2(6x) dx I set u=sec^2(6x) and dv=x, but the problems seems to get harder as I go on.

    asked by Jake
  10. organic chemistry

    If, by mistake, a chemist used 100% ethanol rather than diethyl ether as the reaction solvent, would the Grignard synthesis still proceed as expected?

    asked by Blair
  11. Math

    In hockey, 6 players from each team are on the ice at a time: 1 goalie, 2 defence men, and 3 forwards. A school hockey team has a total of 17 players: 2 goalies, 6 defensive players, and 9 forwards. A) How many of these starting line ups include Sam, one

    asked by Jill
  12. Algebra

    Find three ordered pairs (a,b) that satisfy the equation 3a - 5b = 9. So far, I got (3,0). I'm having trouble finding others. Does anyone have suggestions on other easy ways to find ordered pairs besides guess-and-check? Thank you!

    asked by Cassie
  13. physical science

    the wavelength of an electromagnetic wave is ____________. a. directly proportional to its frequency b.inversely proportional to its velocity c. inversely proportional to its frequency d. none of the above

    asked by layla
  14. Physics

    Three men 4, apart are carrying a heavy load on a pole. Two are one end of the pole and the third is at the other end. Where should the load be placed so that each man gives equal support?

    asked by Sukie
  15. Introduction to logic

    I need help on Quantifier logic problems? Using the symbolization key given, symbolize each sentence in QL. Universal Discourse: animals Dx: x is a puppy Hx: x is lost Tx: is a Terrier Fxy: x can run faster than y r: Tim 1.No puppy can run faster than Tim.

    asked by Tim
  16. com 150

    I have answered all of the questions and need help with some of the explanations. Please help. 1. A Sentence A is better because the word activist is plural so therefore I think the word have is singular. Subject and verb agrees with each other 2. B

    asked by pazley
  17. Math

    Find the median of the following set of numbers. 45, 14, 56, 14, 66, 64

    asked by Sadie
  18. Physics - one last time

    A forearm with a mass of 1.2kg supports a put with a mass of 5.44 kg. The forearm is 0.050m long; it's perpendicular to the arm is 0.35m long, the center of gravity is at 0.15m from the elbow. Find the force exerted by rhe biceps and the force on the elbow

    asked by Sukie
  19. Algebra

    Height difference. A red ball and a green ball are simultaneously tossed into the air. The red ball is given an initial velocity of 96 feet per second, and its height t seconds after it is tossed is -16t2 + 96t feet. The green ball is given an initial

    asked by Debbie
  20. math/algebra

    Compounded semiannually. P dollars is invested at annual interest rate r for 1 year. If the interest is compounded semiannually, then the polynomial P(1+r/2)^2represents the value of the investment after 1 year. Rewrite this expression without parentheses.

    asked by Debbie
  21. Debating

    PLEASE HELP ME! What is a Space Program? Define. I Have a debating topic that needs me to define that. I have googled but I can't find anything. If you don't know then please show me a list of alternate search engines. Thanks Minerva

    asked by Minerva Wisdom
  22. Music Literacy

    1. The second order is to know the beat and rhythm of the song. This means clapping and waling to the beat and rhythm. It also means mapping out the rhythm as a class exercise on the board using the abbreviated notation as demonstrated in the video clip.

    asked by Anonymous
  23. science

    A ? is a channel along which water is continually flowing down a slope

    asked by alison
  24. 9th grade

    one method that the sumerians used to survive and overcome the limitations of their geographical enviroment was?

    asked by ricardo
  25. physics

    no matter how many different ways i try to solve this, i cannot end up with the answer my textbook is providing me with 38m, 17m/s... A car travelling at 40km/h accelerates at 2.3m/s^2 for 2.7s. How far has it travelled in that time? What is its final

    asked by alexia
  26. To Sha -- Child Development

    I've removed your lengthy post asking you to comment on a complex scenario. Please repost with your analysis of this situation. We'll be glad to help you then.

    asked by Ms. Sue
  27. calculus

    A MANUFACTURE OF LIGHTBULBS HASS SAMPLED 40 BULBS IN ORDER TO DETERMINE THE POPULATION MEAN LIFE OF THE BULBS. tHE SAMPLE MEAN WAS 1200 HOURS WITH A STANDARD DEVIATION OF 100. tHE MANUFACTURER WOULD LIKE TO KNOW, WITH 95% CONFIDENCE, THE INTERVAL VALUES

    asked by PHILLIP
  28. Chemistry

    What is the reducing agent in the forward reaction? H2O2(aq) + 2 HI(aq)--->2 H2O(l)+I2(s) Since H2O2 can be both a reducing and oxidizing depending. I am confused on what is the reducing agent. Can someone please explain.

    asked by Songyi
  29. CRT 205 - Anonymous

    Your post was removed. Once you write up YOUR THOUGHTS, please re-post, and someone here will be happy to comment.

    asked by Writeacher
  30. HIT

    Dr. Bob's computerized records have been compromised by a hacker, resulting in damages to patients. Which of the following is most true? A. Dr. Bob may be liable if he didn't have proper firewall or other protections. B. Dr. Bob won't be liable. C. Dr. Bob

    asked by Sharon
  31. College Algebra

    An employer has a daily payroll of $1225 when employing some workers at $80 per day and others at $85 per day. When the number of $80 workers is increased by 5% and the number of $85 workers is decreased by 1/5, the new daily payroll is $1540. How many

    asked by Barbara
  32. MATH

    Oh no! I just realized that I just had a test and for example 2sinx-sinx-1. If I answered theta = *whatever whatever... instead of x = *whatever and my teacher decides to deduct half marks for each question I do, what are some points that I can argue? This

    asked by Tri
  33. world history

    which social condition was emphasized during the renaissance

    asked by odell
  34. Math

    Subtract: 7/9-(-13/18)

    asked by Sadie
  35. Grammar

    Can I please get explanations on the folling questions Subject-verb agreement 1a. Did you know a famous animal-rights activist has criticized horseracing because of the dangers involved? 1b. Did you know a famous animal-rights activist have criticized

    asked by harvey
  36. calculus

    f(x) = cos(x) - (cos(x))^2 for -pi is less than or equal to x is less than or equal to pi 1) x-intercepts? 2) x and y coordinates of all relative maximum points? 3) intervals on which f is increasing? then i have to sketch f, so tips on doing so would be

    asked by jane
  37. integrated algebra

    Find the positive root of 2x^2-5x-5=0

    asked by Starsky
  38. Algebra 1-A

    how do you graph x square minus four x plus five equals zero

    asked by Ryan
  39. biology

    What is the role of Frc-2,6 bis phosphate in Glycolysis and Gluconeogenesis?

    asked by Blair
  40. Math Course

    I was thinking about math courses for next year, and I do not know what I'm going to take. What is the differences between Alg 3 and Advanced math? And also, and does Trig involve? And I'm too scared of calculus to take it.

    asked by Chopsticks
  41. CRT205 Quiz

    Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem strange when they are initially introduced. Such was the case with Newtonian physics; when Newton proposed his ideas regarding motion

    asked by randy
  42. English

    How do you footnote correctly for an essay.

    asked by Tim
  43. Political Studies

    Can you please help me? Why shouldn't Australia have a space program? Thanks, Minerva

    asked by Minerva Wisdom
  44. 3rd grade math

    the greens family they had 8 people plus 2 they r going to disenyland they have $3.40 and each person cost 38 cents will they hav enough money to go to thier destionation please explain

    asked by bob
  45. calculus

    evaluate the indefinite interval: x sec^(2)(9x) dx i know u=x du=dx dv=sec^(2)(9x) and v = 1/9tan9x....but i don't know where to go from there much help is appreciated

    asked by jack
  46. biology

    What is the role of Frc-2,6 bis phosphate in Glycolysis and Gluconeogenesis?

    asked by Blair
  47. math - question

    Why are there always at least two solutions in quadratic equations?

    asked by candy
  48. 7th grade science

    i need help creating acrostic puzzles for the 6 differant land biomes.

    asked by Cory
  49. English

    Can someone please tell me if these two sentences are subordinating conjunctions, I think they are: Additionally, I remember a time when the sports world was honest, and drug-free. the 2nd one is: And I bet I can still hit it across that fence in your back

    asked by Mike
  50. English

    I need help with a thesis statement with the essay that Steven Pinker wrote called The Moral Instinct.

    asked by Lisa
  51. 9th grade

    How do you multiply polynomials ?

    asked by lora
  52. MATH

    9.3 X 10^-5

    asked by JORGE
  53. Poetry

    Hi, I wrote this poem and I was wondering if someone could please edit it for me? Thanks In my dreams, creeps up a guy, Mysterious he is; as I know him not. He smiles and I gaze-with a heartfelt sigh, Daydreaming often of a true love knot. His face

    asked by mysterychicken
  54. Algebra

    (2y+1)/(y^2-y-6) ruling out value for y. which numbers can not be used in place of (y).

    asked by tom
  55. Math

    Multiply: (4) (-3/2)

    asked by Sadie
  56. Math

    Find reciprocal of: 1/7 (-3-7)

    asked by Sadie
  57. marketting and branding

    just failed a 3000 word essay on marketting and branding. I don't think I should have failed as I feel I covered most areas and submitted a good piece of work. can I ask for this to be double checked

    asked by tracy
  58. French

    What does "un surv¨ºtement" mean in english?

    asked by Angie
  59. college intro chemistry

    Give an example of a hydrophobic group and a hydrophilic group in triarity proteins.Thanks so much.ps. I have collogen but I do not know which type it is Sport

    asked by sport
  60. chemistry

    why do lemon juice keeps apple slices from turning brown? thanks.

    asked by al
  61. Math

    Evaluate: /-39/-/-18/

    asked by Sadie
  62. Math

    (3^3)^2 _________ 3

    asked by Roger
  63. college level algebra

    I need to explain why subtracting a negative is like adding

    asked by john
  64. Science

    I was just wondering: is it possible to sleep and not dream?

    asked by Bella
  65. MATH

    9.3 X 10^-5 This is a question...

    asked by JORGE
  66. Math

    I am trying to find the percentages of different numbers. How do i find them? for example 83%of 6

    asked by Mark
  67. English

    Hi! I could use some help. I am writing a photo essay and my theme is peace love and happiness. So I need to find pictures that show them. I need help finding pictures that show peace. I can not find any good ones. Please help me! I have checked google but

    asked by sfsd
  68. Math

    Find the slope of the line that goes through the given points. I think I got it, but want to be sure! Thanks :) (3,-2),(-1,-6)

    asked by Meagen
  69. physics

    why is the color of the sky orange during sunrise and sunset? --pls help me on here-- thanks :)

    asked by matani
  70. Math

    (3y^8)^4 _________ (2zy^2)

    asked by Krysta
  71. chem

    Does anyone know a website that will help me identify the physical properties of compounds, elements, and mixtures? For example, describe the physical characteristics of mercury (liquid).

    asked by Jen
  72. Math

    What is the Riemann Hypothesis? I've looked it up on Google but don't completely undestand it. -MC

    asked by mysterychicken
  73. Algebra 1

    I need a page of the numbers 1-50 on a sheet that shows their square roots, I could not find any websites so if you please could help it would be very appreciated alot.

    asked by honorsclass
  74. critical thinking

    What if a person whom you did not know made a prejudicial rhetorical statement towards you?

    asked by Cheryl
  75. anonymous

    aeyteouucr. unscramble it

    asked by Kirthi
  76. Math

    Find Reciprocal of 1/3 (9-4).

    asked by Sadie
  77. MATH

    (4/3)^-2

    asked by Iris
  78. French

    how do you say gold and silver in french?

    asked by Angie
  79. Math

    -13-(22) _________ -11 - (-11)

    asked by Sadie