Questions Asked on
October 24, 2008

  1. physics

    An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive x direction and has a positive magnitude of 6.7N; a second force has a magnitude of 4.6 N and points in the negative y direction. (1)"Find

  2. Biology

    What is the mitotic spindle composed of?

  3. college algebra word problem

    An open box is made from a square piece of material 24 inches on a side by cutting equal squares from the corners and turning up the sides. Write the Volume V of the box as a function of x. Recall that Volume is the product of length, width, and height.

  4. chem

    which is the least stable isomer of C4H8: methyl cyclopropane or cyclobutane and why?

  5. Critical Thinking

    I think i have some of the answers right but i need help, b/c although i keep reading over the chapter and highlighting the vocab word the definition is not clear to me. Can someone help please? 1 A(n) is a set of claims intended to support or prove a

  6. CHEM

    Calculate the density of oxygen, , under each of the following conditions: STP 1.00atm and 25.0 degrees celsius Express your answers numerically in grams per liter. Enter the density at STP first and separate your answers by a comma.

  7. computers

    what computers can do?what computers cannot do?what are the advantages and disadvantages of computers?what are the roles of computer in the society?

  8. science

    could you please help me how do you write a acrostic poem for bacteria.


    Review the experienced teacher’s lesson plan in Figure 3.3 on p. 78 of the text. Write a 200- to 300-word response by adding more detail to the experienced teacher’s lesson plan: o Provide ideas for motivating students. o Create question prompts. o

  10. science

    what is the main source of energy for all living things on earth

  11. CHEM

    A cylinder with a movable piston contains 2.00 of helium, , at room temperature. More helium was added to the cylinder and the volume was adjusted so that the gas pressure remained the same. How many grams of helium were added to the cylinder if the volume

  12. Math

    Is this equation right is it worked correctly x 1 ----- - -------- x2-4 x2+4x+4 This is how she simplified it: x(x2+4x+4) - 1(x2-4) ------------------- (x2-4)(x2+4x+4) x3+4x2+4x-x2+4 ------------- x4+4x3-16x-16 x3+3x2+4x+4 ------------ x4+4x3-16x-16

  13. Chemestry

    Calculater the amount of heat in kilojoules released when 50 grams of steam at 125 C are converted to 50 grams of ice at -125 C?

  14. evaluate my english pls

    Analysis of “A Hanging” George Orwell’s “A Hanging” shows the inhumanity of capital punishment. He uses a narration to describe the sequence of events involved in the hanging of an Indian prisoner. By using vivid images the horrors are shown.

  15. Physics

    Two people are standing on a 2.2-m-long platform, one at each end. The platform floats parallel to the ground on a cushion of air, like a hovercraft. One person throws a 6.1-kg ball to the other, who catches it. The ball travels nearly horizontally.

  16. trig

    Both circles have the same center and radius of the larger cirlce is R. if the radius of the msaller circle is 3 units less than R, whic of the following represent the area of the shaded region?

  17. society (again)

    Are movies like HSM and socializing websites unnecessary today or do they hold actual importance other than to provide entertainment?

  18. Need examples of variable and fixed inputs (micro)

    I just need some example of fixed and variable inputs.

  19. College History

    HOw did the Scopes trial mirror treds in American society during the 1920s? How did government spending during World war two affect the economic development of the West and SOuth. Please help. Thanks

  20. calculus

    an object is fired upward at the end of the burn it has an upward velocity of 245m/s and is 14.7 m high a) find the maximum height and when it is attained b) when it reaches the ground i know that i have to use the quadratic function s= -4.9t²+Vot+h but

  21. CHEM

    To identify a diatomic gas (), a researcher carried out the following experiment: She weighed an empty 1.00- bulb, then filled it with the gas at 1.10 and 23.0 and weighed it again. The difference in mass was 1.27 . Identify the gas.

  22. CHEM

    To identify a diatomic gas (X_2), a researcher carried out the following experiment: She weighed an empty 1.00-L bulb, then filled it with the gas at 1.10atm and 23.0 degrees celsius and weighed it again. The difference in mass was 1.27g . Identify the

  23. CHEM

    To identify a diatomic gas (), a researcher carried out the following experiment: She weighed an empty 1.00- bulb, then filled it with the gas at 1.10 and 23.0 and weighed it again. The difference in mass was 1.27 . Identify the gas. Express your answer as

  24. psy

    Need some info. to help me answer those questions. list at least five events or major concepts from each of the three periods in the history of modern personality psychology. 1930-1950; 1950-1970; 1970-present.

  25. life science

    in what parts of the plant body would you expect cell division to occur? --i've looked everywhere and couldn't find anything close to an answer!

  26. Biology

    Can someone please explain to me what is a GENETICALLY MODIFIED ORGANISMS and what is use for?

  27. college

    What role did educated Africans play in bringing about independence

  28. physical sciencs

    how do you do the metric system?


    A relatively small number of police officers engage in questionable police practices, such as corruption, racial profiling, and excessive force. However, the small number deeply impact community-police relations. What impact do you think inappropriate

  30. language and Diversity

    Where could I find a two instances of conflicts between the legal and ethical issues confronting the education of English Language Learners./Then< how do schools meet the needs of the ELL students without breaking state law?

  31. psy

    Logical inquiry: Find two reliable sources that provide a balanced view of internal versus external locus of control. Reference these sources in your response. Ms. Sue could you help me find those sources. thanks.

  32. music

    How is math used in music?

  33. math

    Find the total of the three numbers 212 21 422

  34. math

    you are making posters 2ft by 5ft. How many square feet of material will you need for five posters.

  35. math

    What is a mathematical concept?


    help with this please: Write a 200- to 300-word response addressing the following: How can the state standards affect your planning and instruction for this subject? Provide an example of how you can implement one or two of these standards in your

  37. Help

    A man owned 75 shares of stock worth $50 each. The corporation declared a dividend of 8%, payable in stock. How many shares did he own?

  38. 10th grade

    Are there any sounds-a body of water- in Africa?

  39. algebra

    you have four plates that have a radias of 60 cm. if you break the plates how much area will there be?

  40. spanish

    Can someone help me edit this, please? Todo que me acuerdo de esta semana es que estaba enferma. Estoy enferma, en realidad. Cuando estoy enferma, me comporto como soy la primera persona que tiene la gripe. Me comporto como este tiempo es la primer tiempo

  41. Chemestry

    An aqueous solution containin 1 g of sorbitol in 100g water has a freezing point of 0.102 C. Elemental analysis indicates that sorbitol is 39.56% C, 7.75% H, and 52.7% O. What are the molar mass and the molecular formula of sorbitol? The Kf of water is

  42. math

    im not getting the proper answer from this question: 5.0=k=c1/c2= 1.00g-x/15ml all over x/50 ml = (1.00-x)50/15x the answer comes out ot .40g

  43. Phsyics

    Hooke's Law and Young's Modulus Can someone please explain this to me. How can one determine if a material behaves according to Hooke's law?

  44. world geography

    I need help in this exam 6648y does anyone have it

  45. Calc

    How would you find the derivative of (3/(x^3-4)) by using the chain rule?

  46. English

    Please help. Am I correct in saying that the following phrase is future simple tense? 'if it rains tomorrow'

  47. english essay

    please help me write a composition on"of all resourse ,human resourse is the best"

  48. arithmetic

    What is 67 5/8 x 6?

  49. Math

    What is the largest number which is both less than 2*3*5*7 and also a divisor of 2*3*5*7

  50. environment

    i need to write a letter to the environmental defense fund about an environmental issue..... any ideas on what i can write about? i was thinking about writing about how there needs to limits on how much Co2 can enter the environment....but it seems kinda

  51. math ;

    1. x^2 = 16 2. 2x(x+3) = 0 3. y^2 + 8y = 0 4. x^2 + 3x = 28 5. 2x^2 + 9x - 5 = 0

  52. History

    Do you think that the United States will ever revert to a system where the states are more important than the national government?

  53. Algebra

    Could someone explian to me why the line x=4 is a vertical line

  54. society

    Is it better for children to use homeschooling programs such as K12 and Kestone rather then go to public schools?

  55. Composition

    For the unit that I'm doing we need to write a research paper on something that we're interested in. It can be a broad topic because I can narrow it down. I just need some suggestions on what I should write it about because I'm totally blank. (Something

  56. physics

    (Another) Physics Homework Help? The two blocks in the figure are sliding down the incline. What is the tension in the massless string?

  57. Lit.

    What do we learn about Captain Brown from the narrorator in "Our Society at Cranford"

  58. 9th grade Lit. B

    What are the type of clauses? Give examples of clauses.

  59. math [ i need help with these.]

    2. 2x(x+3)=0 2x^2+3x=0 [i don't know what to do.] 3. y^2+8y=0 4. x^2+3x=28 5.2x^2+9x-5=0 2x^2+9x=-5 [please help me by starting off the problems, or explaining for each.]

  60. Music

    Pour different amounts of water into three identical glass bottles. Which has the highest tone, which has the lowest tone. Why?

  61. science

    i have to write a letter to an environmental agency about a topic i chose to write about how regulations need to be put on the amount of Co2 cars are putting into the atmosphere. so i have that idea....but now i need to say what actions i would want the

  62. Microeconomics

    I am on the chapter for the factors of production: Question: A firm that hires two types of workers—some with computer skills and some without. If technology advances so that computers become more useful to the firm, what happens to the marginal product

  63. algebra

    suppose you want to add a sprinkler system, and location of one section of the ssprinker line can be described by the equation y=1/2x-4 complete the table for this equation x y (x,y) -1 -2 -4 2 8 PLEASE HELP ME SOLVE THIS TABLE!!!!!!

  64. College HIstory

    Was the US correct to think of the Soviet Union as expansionist and as a threat to American liberty?

  65. math the property of addition and/or multiplication that is illustrated 7 X (1+9) = (7 X 1) + (7 x 9) 2.Write 4 X 4 X 4 X 4 X 4 as a power of 4. 3. A plate glass window measures 5 ft by 7 ft. If glass costs $7 per square foot, how much will it cost to


    Robert Ewell is Bob Ewell??they r the same person???. oh no....

  67. Science

    When was first microscope invented?

  68. Math

    Develop two-null hypothesis tests to ascertain if there are any statistical variances in the averages of bus route times and any statistical variance among the average performance of the bus drivers. Use the following information to conduct the test: The

  69. math math math .

    The coefficient of the first term in the polynomial 2x^2y+3xy-1 is _?_

  70. college algebra

    On the graph, plot all relevant points for y=x^2-4x+y^2-2y+8. Then give the equation for a graph that shifts down 1 unit and to the right 2 units. If it is a function, give its domain and range. Thank you!!

  71. 7th grade algebra word problem

    i need the formula for the following... jennifer now earns $250 more than three times the salary she earned as a cashier. If she now earns $10,300 how much did she earn as a cashier? thank you

  72. accounting-installment sales journal entry

    Question: On 12/31/07, Company A sold equipment for $1,800,000. The equipment had a carrying amount of $1,200,000. At the time of the sale the buyer paid $300,000 cash and signed a $1,500,000 note bearing interest of $1,500,000 note bearing interest at 10%

  73. math ;

    1. 4x^2-16=0 4x^2=16 [what do i do now?]

  74. Chemistry

    A ball is dropped from 27.0 ft above the ground. Using energy considerations only, what is the velocity of the ball just as it hits the ground? If the ball is thrown back up to a ledge 15 m above the ground, what would be the velocity just as it reaches

  75. PSY HELP!!! Please

    Match the psychological theories with the appropriate statement(s): Psychodynamic Theory Trait Theory Learning Theory Sociocultural Humanistic Theory Popular theorist Eysenck initiated the five-factor model. The healthy personality is found in balancing

  76. health

    what are some ideas for preventing prejudice where it already exists?

  77. physics

    An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive x direction and has a positive magnitude of 6.7N; a second force has a magnitude of 4.6 N and points in the negative y direction. (1)"Find

  78. eth 125

    asian americans according to the u.s. census bureau. complete the matrix in appendix e, using information from the asians pacific american hertitage.

  79. Organic Chemistry 1

    Why does iodine absorb organic molecules? This question is referring to the effect of the iodine chamber used in TLC.

  80. 7th grade math

    i was trying to work out the problem (1.00-x)50/15x. (x=.40g this is the answer) when i work it out i get 50-50x/15x but i dnt understand how this equals .40?? help plse

  81. natural science

    What are the structural zones within the Earth? How are they detected scientifically?

  82. home work question?

    objective here is to write for your audience and if you do not get your paper out how will you know if it will relate to them (the audience?)

  83. english

    does anyone have any ideas on why giving incentives for charitable acts is ethical (rather than unethical)

  84. Business Math

    If your inital investment is $1000, and your rate of return is say 10%, did you make $100 or $1100 from your $1000?

  85. math and physics

    i just want to know form where i got on this formula the 4.9t² on this formula s=4.9t²+Vot+h because the book only say that a physics theory shows that when an object is thrown upward with an initial velocity Vo, its approximate height is given by that