Questions Asked on
December 6, 2008

  1. Economics: Comperative Advantage

    Refer to Figure 4. Assume that Cliff and Paul were both producing wheat and corn, and each were dividing their time equally between the two. Then they decide to specialize in the product they have a comparative advantage in. As a result, total production

    asked by Anonymous
  2. science

    Where in the United States is there measurable evidence that the plates are moving realtive to one another?

    asked by Anonymous
  3. PHysics

    a 15g bullet strikes and becomes embedded in a 1.1kg block of wood placed on a surface in front of the gun. if the coefficient of kinetic friction between the block and the surface is 0.25 and the impact drives the block a distance of 95m before it comes

    asked by Anne
  4. Physics

    a rocket following a parabolic path through the air suddenly explodes into many pieces. what can you say about the motion of this system. and If only an external force can change the momentum of the center of mass of an object, how can the internal force

    asked by Steve
  5. physics

    The Sun and Earth each exert a gravitational force on the Moon. What is the ratio FSun/FEarth of these two forces? (The average Sun-Moon distance is equal to the Sun-Earth distance.)

    asked by johnny
  6. science

    how does destructive interference of sound waves help preserve hearing?

    asked by camilo
  7. physics

    A mass M is split into two parts, m and M - m, which are then separated by a certain distance. What ratio m/M maximizes the magnitude of the gravitational force between the parts?

    asked by johnny
  8. physics

    In 1956, Frank Lloyd Wright proposed the construction of a mile-high building in Chicago. Suppose the building had been constructed. Ignoring Earth's rotation, find the change in your weight if you were to ride an elevator from the street level, where you

    asked by johnny
  9. physics

    At what altitude above Earth's surface would the gravitational acceleration be 3.0 m/s2?

    asked by johnny
  10. english 10

    m doing an essay of Ray Bradbury's 3 short stories "The Veldt" "The House" and "The Cat's Pajamas" The theme of my essay is the conflicts of the story I have a point in my essay, they are: How each conflicts affect the different characters of different

    asked by tanzil
  11. Chemistry

    Calculate the wavelength of the yellow light emitted by a Sodium Lamp if the frequency is 5.10 X 10^14 Hz. Formula: Wavelenght (lamda)= speed of light, 3 X 10^8(c)/frequency, 5.1 X 10^14. My answer was 5.9 X 10^-5. Is this anywhere near correct? Please

    asked by Stephanie
  12. Chemistry (reaction with amine)

    Phenol dissolved into sodium hydroxide solution to give another solution A. What would be formed when A reacted with phenylamine/nitrous acid mixture , butylamine/nitrous acid mixture and ammonia/ nitrous acid respectively ? The resulting solution were

    asked by initial D
  13. Chemistry

    What is the compound formed when sodium nitrite solution is added to butylamine and concentrated hydrochloric acid respectively ? Both of them formed NO2 as i know, but what is the other compound formed? or what was remained in the solution ?

    asked by initial D
  14. Chemistry

    Phenol dissolved into sodium hydroxide solution to give another solution A. What would be formed when A reacted with phenylamine/nitrous acid mixture , butylamine/nitrous acid mixture and ammonia/ nitrous acid respectively ? The resulting solution were

    asked by initial D
  15. math

    1/10^9x5^2(2)^5x6^2-4x6^-4/10^6/10^-6/10^15x100^5

    asked by walidK
  16. Grade 11 Physics - Light Unit

    Why must rays be shone in the centre of a flat surface? Describe the difficulty that's results if this is not done.

    asked by Student
  17. math

    A model of a planet shows a satellite moving in an elliptical orbit about the planet. The closest distance from the centre of the satellite to the centre of the planet in the model is 3 m and the longest distance is 8m. a) Determine a possible equation for

    asked by Lucy
  18. Chemistry (A level)

    I was given a Chemistry question on the titration of a strong base being added to a weak acid. The question was: "Calculate the pH in a titration when 10.0cm^3 of a 0.10moldm^-3 solution of NaOH is added to a 10.0cm^3 of 0.25moldm^-3 solution of ethanioc

    asked by Benjy
  19. Math 115

    A tree casts a shadow that measures 5 m. At the same time, a meter stick casts a shadow that is 0.4 m long. How tall is the tree?

    asked by Debbie
  20. child care

    let me know if I answered this question right. Which of these is considered a benefit of a quality child care program? a.The child learns to get along with adults and children outside of the nuclear family. b.The child develpos a closer relationship with

    asked by Cynthia
  21. Chemistry (reaction with amine)

    haphthalen-2-ol dissolved into sodium hydroxide solution to give another solution B. What would be formed when solution B reacted with phenylamine/nitrous acid mixture , butylamine/nitrous acid mixture and ammonia/ nitrous acid respectively ? The resulting

    asked by initial D
  22. chemistry again ..

    haphthalen-2-ol dissolved into sodium hydroxide solution to give another solution B. What would be formed when solution B reacted with phenylamine/nitrous acid mixture , butylamine/nitrous acid mixture and ammonia/ nitrous acid respectively ? The resulting

    asked by initial D
  23. spanish sra McGuinn

    Mi mejor memoria fue la noche vieja de dos mil seis en Nueva York. Más temprano esa Nochebueno, mis amigos y yo fuimos a China Town en Queens. Nosotros cenamos en un restaurante chino y me gustó mucho la comida allí . Después, nosotros tomamos un

    asked by sam
  24. child care

    Family day care accounts for ____ of the full-time child care given outside of a child's family. a. 15% b.20% c. almost 25% d. over 80%. I picked C Can u tell me if this correct.

    asked by Cynthia
  25. 7th grade

    how woul you solve a problem like ths (9x-5y)(2x+3y)

    asked by denise
  26. mathematics

    if a=5 b=108 c=190 then find the equation whose roots are double the root s of a,b,c......

    asked by saad anis
  27. English

    In the book Huckaberry Finn: 1) To whom did Jim belong to? 2)Who did jim say gave him the five center piece he wore around his neck? 3) who was called a cry baby?

    asked by Alyssa
  28. Science

    CheckPoint: Terrestrial Resource Plan · Resources: Ch. 12-16 of Visualizing Environmental Science and Appendix F · Due Date: Day 5 [Individual forum] · Choose a terrestrial resource issue discussed in Ch. 12-16 of the text. · Post a 5- to 7-slide

    asked by Roxxane
  29. science

    At exactly 2:00 pm, sophy the snail crawls onto a meter stick at the 10 cm mark. If he reaches the 65 cm mark at exactly 2:10 pm, what is her speed?

    asked by Selena
  30. Precalculus

    Would this be the answer for this problem 2x^3-x^2 > x x>1 or 0>x>-1/2

    asked by Melly
  31. physics

    The people move toward the door at speed vs = 3.7 m/s, are each d = 0.20 m in depth, and are separated by L = 1.75 m. The arrangement in the figure occuurs at time t = 0. (a) At what average rate the layer of people at the door increase? m/s (b) At what

    asked by johnny
  32. College Writing

    Society sets its own predetermined laws for everyone to follow but sometimes certain people disobey the common norms to hide something deeper within. Whether this society is enclosed within boundaries, or outside in real life circumstances, these people

    asked by Tiger
  33. math

    3x+5y= -11 x-2y= 11

    asked by COLE
  34. math

    please help me with this proving question prove that 4cos(theta) * cos(theta + 120) * cos(theta - 120) = cos(3theta) PLEASE HELP THANKS

    asked by Vincent
  35. spanish

    point of is my most memoable day on the subway all of us we found out that dottiea middle aged women knew the lyrics to smack that - this also was the first time I have ever been on the subway to New York. We saw the ball in Times Square drop We arrived

    asked by sam
  36. Math 115

    6.5% of what number is 325

    asked by Debbie
  37. Msth 118 Ch 8

    Business and finance. The following scores were recorded on a 200-point final examination: 193, 185, 163, 186, 192, 135, 158, 174, 188, 172, 168, 183, 195, 165, 183. (a) Find the mean final examination score. (b) Find the median final examination score.

    asked by Debbie
  38. Math 115 Ch 8

    Compare the population per square mile in Asia to the population per square mile in North America for the year 2000. North America: land area(1,000mi squared)9,400 Population 305000000 Asia: land area (1,000mi squared) 17,400 population 4,028,000,000

    asked by Debbie
  39. english

    is superiority an emotion? - The feeling of superiority

    asked by andrew
  40. math

    Using the inverse of: 2 1 -3 4 Find 2x+y=2 -3x+4y=1

    asked by harry
  41. math

    solve: 3x+5y= -11 x-2y=11

    asked by cole
  42. GEOMETRY

    IF 1/2X-3=2(X-1)/5 THEN X=

    asked by KARYN
  43. Math

    How many kids do you have:4? How many different ways can you arrange this other than these?: [g=girl;b=boy] 2 g 2 b 3 g 1 b 4 g 4 b

    asked by mysterychicken
  44. math- exponents

    i have a quick question... -3^2 (-3)^2 wat is the difference??? also... -3^3 (-3)^3 help me plz...thx if u do

    asked by me
  45. math

    4. In a backyard, there are two trees located at grid points A(-2,3) and B(4,-6). a) The family dog is walking through the backyard so that it is at all times twice as far from A as it is from B. Find the equation of the locus of the dog. Draw a graph that

    asked by Lucy
  46. physics

    a 2.0 kg crate is incline at 60degrees and is held in equilibrium by a horizontal force.. what is the magnitude of this horizontal force? (disregard friction)

    asked by cookie monster
  47. spanish

    Thank you so much - can you look this over there are a few at the end I was not sure of Mi mejor memoria fue la noche vieja de dos mil seis en Nueva York. Más temprano, esa noche mis amigos y yo fuimos a China Town en Queens. Nosotros cenamos en un

    asked by sam
  48. spanish

    can you check this for me and help me with puting in the accents I got a new mac and am having difficuties with this Me mejor memoria fue la noche vieja de dos mil seis en Nueva York. Mas temprano, esa moche mis amigos y yo fuimos en China Town en Queens.

    asked by sam
  49. Precalculus

    How would I find the limit of (if it exists): lim x-->3 (x^3-27) -------- (x^2-9)

    asked by Melly
  50. math

    Let B= 0 1 1 0 Find B if it is to the negative one power. (Its supposed to be a matrix, but I don't know how to write the brackets on the computer)

    asked by harry
  51. physics

    An electron has a constant acceleration of 2.0 m/s2. At a certain instant its velocity is 10.9 m/s. (a) What was its velocity 2.5 s earlier? m/s (b) What is its velocity 2.5 s later? m/s

    asked by johnny
  52. spanish thanks

    Mi mejor memoria fue la noche vieja de dos mil seis en Nueva York. Más temprano esa Nochebueno, mis amigos y yo fuimos a China Town en Queens. Nosotros cenamos en un restaurante chino y me gustó mucho la comida allí . Después, nosotros tomamos un

    asked by sam
  53. math

    what is the EXACT VALUE of cos (pi/3)?

    asked by Tina
  54. spanish

    it should be she sang the lyrics can you help me with changing that.

    asked by sam
  55. SPANISH ONE LAST WORD

    Mi mejor memoria fue la Noche Vieja de dos mil seis en Nueva York. Más temprano esa Nochebuena, mis amigos y yo fuimos a China Town en Queens. Nosotros cenamos en un restaurante chino y me gustó mucho la comida allí . Después, nosotros tomamos un

    asked by sam
  56. 7th grade

    A company made 34,000.00 in 2007. This company made 32,500.00 in 2008. What is the percentage of the difference. The difference is 1,500.00 Is the difference 44.3 %? 34,000.00 32,500.00 _________ 66,500.00

    asked by Lana
  57. spanish perfect???

    Mi mejor memoria fue la Noche Vieja de dos mil seis en Nueva York. Más temprano esa Nochebuena, mis amigos y yo fuimos a China Town en Queens. Nosotros cenamos en un restaurante chino y me gustó mucho la comida allí . Después, nosotros tomamos un

    asked by sam
  58. Math 115

    Find the mode of each set of numbers. 41, 43, 56, 67, 69, 72

    asked by Debbie
  59. Macroeconomics

    During the 1990s, the size of the federal government debt became so large that servicing the interest payments became a significant portion of total federal expenditure. In response, many representatives and senators felt that the federal deficit needed to

    asked by Anonymous
  60. Macroeconomics

    The “Great Moderation” since 1985 could be due either to smaller demand stocks when compared to the period prior to 1985 or to a better response by monetary policymakers since 1985 to the same demand shocks that occurred prior to 1985. Evidence to

    asked by Anonymous
  61. physics

    a pendulum clockis lag by 2 min during a whole 24 hours.what correction should be made in its length so that it keep the right time?

    asked by saad anis
  62. science

    what do you call organisms produced by a living thing

    asked by destiny
  63. CHEM ideal gas

    hi i am working on trying to derive KE (or Etrans)=3/2nRT so i know these steps that ___________ pV= nRT and pV= 1/3 NmV2 and combining them, we get nRT= 1/3Nmv2 also, we know that for translational motion, KE= 1/2Nmv2 ______ i don't know how 2/3 (1 /2

    asked by Kimora
  64. writeacher spanish

    Sra McGuin - had been helping me review my work she asked me what I was trying ot say in english _I had done the entire assignemtn but to help me she needed the english - I would never ask someone to do my work point of is my most memoable day on the

    asked by sam
  65. sra mcguin spanish

    here is some of the confusing things i was tying to say in english point of is my most memoable day on the subway all of us we found out that dottie a middle aged women knew the lyrics to smack that - this also was the first time I have ever been on the

    asked by sam
  66. Criminal Justice

    Are the lives of prison inmates reflective of the society at large?

    asked by dra
  67. MGT HELP ASAP

    this is the way i am starting my intro. What else can I add to it. Best Practices Manual for Supervisors This manual will have everything you will need to help tell someone about the different responsibilities a supervisor has in his or her job

    asked by troyer0269
  68. CJ

    how our treatment of our prisoners reflects the kind of society we are.

    asked by dra
  69. Social Studies (specifically American Goverment)

    What could be some future challenges for freedom of religion in the 1st amendment?

    asked by Mark
  70. math

    Find the inverse of the matrix, 1, 2 ,-1 2, 5, 1 3, 6, -2

    asked by jones
  71. Math

    what is the sum of fractions 1/4,3/8, and 5/14?

    asked by Maya
  72. MGT

    this is what i have now for an intro on my final paper. This handbook will productively to give an explanation in straightforward terms the appropriate methods for performing job duties as a supervisor with this corporation. It will have all you will need

    asked by troyer0269
  73. spanish maybe in final

    Mi mejor memoria fue la Noche Vieja de dos mil seis en Nueva York. Más temprano esa Nochebuena, mis amigos y yo fuimos a China Town en Queens. Nosotros cenamos en un restaurante chino y me gustó mucho la comida allí . Después, nosotros tomamos un

    asked by sam