Questions Asked on
September 6, 2008

  1. physics

    A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bolt falls off the side of the rocket. The bolt hits the ground 6.10s later. What was the rocket's acceleration?

    asked by Jeff
  2. trig

    The number of revolutions made by a figure skater for each type of axel jump is given. Determine the measure of the angle generated as the skater performs each jump. Give the answer in both degrees and radians. a. single axel: 1.5 b. double axel: 2.5 c.

    asked by meg
  3. geometry

    If CFD=12a+45, find a so that FC is perpendicular to FD

    asked by Mary
  4. chemistry 12

    what is the chemical formula for the reaction between lead acetate and potassium iodide? please show both reactants and products. :)

    asked by need help
  5. Biology

    In 1665, Robert Hooke, an English scientist, reported an interesting observation while looking through his microscope at a cork, "I took a good clear piece of cork, and with a penknife sharpened as keen as a razor, I cut a piece of it off, then examining

    asked by Jennifer
  6. 5th grade

    I have a unscramble analogies worksheet that I can't answer. Here are the analogies: ________:judical branch [eempusr ructo] radius:______[meeairtd] brass instruments:_____[stoaercrh] _______:poem[anzsat] _______:pants[bowaerrd] thank you

    asked by ???
  7. math

    the diagonals of a parellelogram are 20 cm and 30cm long and intersect at an angle of 25 degrees. Find the sides of the parellelogram

    asked by shan
  8. english

    can someone check these over. I have to pick out the sentence that is wrong. 1. wrong use of the word divinity a. Christian divinity students study Hebrew.... b. Dagon, the chief divinity of the Philistines, was represented as a half human half fish. c.

    asked by kayla
  9. succession and natural selection

    Post a total of 200 to 300 words in response to the following items View the succession of the ecosystem in the Succession animation. Is it primary or secondary succession? Explain your answer.

    asked by linda
  10. maths

    y is partly constant and partly varies as the cube of x given that whenx=1,y=5,andx=2,y=-1 find the relationship betweenx and y hence find the value of y when x=3

    asked by john
  11. math

    tanx+secx=2cosx (sinx/cosx)+ (1/cosx)=2cosx (sinx+1)/cosx =2cosx multiplying both sides by cosx sinx + 1 =2cos^2x sinx+1 = 2(1-sin^2x) 2sin^2x + sinx-1=0 (2sinx+1)(sinx-1)=0 x=30 x=270 but if i plug 270 back into the original equation i get undefined

    asked by shan
  12. Business (Linear Programming)

    Wal-Mart, a discount store chain, is planning to build a new store in Rock Springs, Maryland. The parcel of land the company owns is large enough to accommodate a store with 140,000 square feet of floor space. Based on marketing and demographic surveys of

    asked by JYD
  13. Memorizing Spanish

    hey guys. how can i memorize spanish phrases like Buenos Dias or Buenos Tardes or Adios, etc... (sry i can't spell in spanish yet.)

    asked by Jay
  14. English

    On the various types of patterns of development, choose a pattern to plan, organize, and write an essay. I have chosen Youth Violence as a cause and effect for my pattern development. In writing your essay, base your writing on your own experiences and

    asked by Success
  15. Gr 12 math

    I need to calculate the volume of a parallelepiped using the scalar triple product. I can do this if i have vectors. however instead we've been given 8 points which mark the corners. HELPPP this is the question: Calculate the volume of the parallelepiped

    asked by Teniel
  16. business law

    Six months later, the same client comes to see you again. She shows you an advice received recently from the partnership¡¦s investment banker, Selby Bank, which suggests that the partnership should engage in some risky behaviour because it will produce a

    asked by tom
  17. geometry

    brain teasers!!! 7 = h. of r. 10 = a. in the b. of r. 4=h. of the a. thanks!!!!

    asked by roy
  18. URGENTTT!!

    I need to use the scalar triple product. but i don't have any vectors? how am i supposed to know what the vectors all coming from one corner are?? Q:Calculate the volume of the parallelepiped with vertices at: (9,4,3), (7,12,2), (12,5,6), (3,-4,0),

    asked by jess
  19. maths

    y is partly constant and partly varies as the cube of x given that whenx=1,y=5,andx=2,y=-1 find the relationship betweenx and y hence find the value of y when x=3

    asked by john
  20. french

    i have to fill in the blanks with pronouns but im not sure which ones to use. ____________ et __________ s'écrivent depuis septembre.

    asked by kayla
  21. Math

    A chemist working on a flu vaccine needs to mix a 10% sodium-iodine solution with a 60% sodium-iodine solution to obtain a 50-milliliter mixture. Write the amount of sodium iodine in the mixture, S, in milliliters, as a function of the number of

    asked by Anonymous
  22. chemistry

    How many gallons of distilled water must be mixed with 50 gallons of a 30% alchohol solution to get a 25% solution?

    asked by chelsea
  23. MORE OPINIONS NEEDED PLEASE!!

    FOR HISTORY WE HAVE TO CONDUCT A SURVERY FROM PEOPLE CONCERNING 9/11. THERE ARE ONLY TWO QUESTIONS THAT ARE ASKED. QUESTION 1:WHY DO YOU THINK SEPT. 11TH HAPPENED? QUESTION 2: HOW DO YOU THINK WE CAN PREVENT ANOTHER SEPTEMBER 11TH FROM HAPPENING? YOUR

    asked by SENiOR '09
  24. Calculus

    a) Prove that |A|^2 = A•A for every vector A. (Note, the A's are vectors) b)Use this to show that if |F(t)| is constant for t for all (a,b), then F'(t)•F(t) = 0 for t for all (a,b). (Note the Fs are vectors)

    asked by Mark
  25. Chemistry

    the number of moles in 6.2g of sodium oxide

    asked by ali
  26. Geometry - Angle Construction

    I need to construct a 75 degree angle. I was thinking I could get a 45 degree angle by drawing a right angle and bisecting it, but I'm not really sure on how to get a 30 degree angle. Am I going about this wrong?

    asked by Amy
  27. Math / Fractions

    Here is another one that I am having trouble with. Julio works as a quality control expert in a beverage factory.The assembly line that he monitors produces about 20,000 bottles in a 24-hour period. Julio samples about 120 bottles an hour and rejects the

    asked by lifeontwofeet
  28. engineering

    Im doing a project about heat transfer in the house. One of the aspect i have to look at is "cladding". Can you suggest any good websites that introduce what "cladding" is and how it works?

    asked by mike
  29. math

    if you do a job in 4 hours, and your friend can do the same job but in 6 hours, and if you both work together how long will it take to complete the job?

    asked by Sonia
  30. math

    what are two prime numbers that if added together equal 23?

    asked by dawn
  31. english report

    i have to do a persuasive paper on a canidate for president, im not asking for who you think should be president im asking if you think this is a good introduction. please if you can help me. Obama said this before, “I’m you to believe. Not just in my

    asked by stacy :]
  32. Social Studies Project

    For social studies i have to do a project called the "american dream" We have to create a poster of pictures that we think defines what the american dream is for either america or our own dream. Im doing what i think americas american dream is. I only have

    asked by Micheal
  33. Human Resources

    In the home office, a director asked an employee about a particular machine, the employee replied that she did not know what the machine was called or what it did, but she precisely know how to operate it. At the branch office, a supervisor explained that

    asked by Katie
  34. Chemistry

    You have a 12 M solution of hydrochloric acid. How many milliliters of this solution will give 25.0 mL of 2.0 M hydrochloric acid when diluted? Very confusing, If I can get a step by step process on how to figure this out, that would be great.

    asked by George
  35. Psychology

    What is another name for a pretty part of a flower? ( NOT BLOOM) What are the male and female parts of a flower? (LIST THE NAMES) Thank you!

    asked by Nicole
  36. college

    A sanero where these two things are connected . 1. Snake 2. Desk thanks alot for the help!!!!

    asked by Ashley
  37. spanish

    T/F I'm a little cunfused on the translation(s) generalmente se prohibe entregar el trabajo a tiempo en el colegio cuando hay 31 estudiantes y solo 30 asientos alguien no se puede sentar

    asked by Anonymous
  38. Pscyhology help again

    Hellok, my question was misunderstood, I know how to write a book report, I have to write a review on a movie with psychological issues. I chose the movie I am Sam, but my problem is do I mainly write about the mental retardation, the lawyer that has

    asked by clark
  39. AIU

    500 words (not including references) Details: Visit the following websites and explore the collections of Ancient Art there: The Metropolitan Museum of Art The Louvre Museum The Smithsonian Institution Freer Gallery and Sackler Gallery See the Course

    asked by Sunshine
  40. math, URGENTT!!

    I'm trying to find the volume of a hemisphere by rotating it around the x-axis. I know how to and can do this with one exception. what is the integral of y=(2/2)((2^2)-(x^2)) ???

    asked by Teniel
  41. vocabulary english

    although the storm left the family...., it could not.... their spirits.

    asked by joe
  42. Calculus - repost

    Find the derivative of F(x)= integral from -2 to x of sqrt(t^3+8)dt? My answer: sqrt(x^3+8)? Is this right?

    asked by Amanda
  43. Health Science

    3-4 Paragraphs: Your friend Mary works in the medical records department at the local hospital. She is in charge of making sure that the correct diagnostic codes are being recorded for the procedures performed at the hospital. She tells you that she

    asked by Success
  44. Writeteacher/journal

    "Were anyone's 4th amendment rights violated?" Please elaborate.

    asked by jules
  45. math

    the graph of a quadratic function has x-intercepts -1 and 3 and a range consisting of all numbers less than or equal to 4. Determine an expression for the function.

    asked by shan
  46. 10th grade math

    3(x-2)= 4-(x-2)

    asked by Maria
  47. principles of macroeconomics

    It is possible for an economy to increase its production of computers and, at the same time, to increase its production of cars if the economy a. moves downward and to the right along its production possibilities frontier and the frontier is bowed outward.

    asked by elizabeth
  48. Chemistry

    You have a 12 M solution of hydrochloric acid. How many milliliters of this solution will give 25.0 mL of 2.0 M hydrochloric acid when diluted? Very confusing, If I can get a step by step process on how to figure this out, that would be great.

    asked by George
  49. 12TH HISTORY

    FOR HISTORY WE HAVE TO CONDUCT A SURVERY FROM PEOPLE CONCERNING 9/11. THERE ARE ONLY TWO QUESTIONS THAT ARE ASKED. QUESTION 1:WHY DO YOU THINK SEPT. 11TH HAPPENED? QUESTION 2: HOW DO YOU THINK WE CAN PREVENT ANOTHER SEPTEMBER 11TH FROM HAPPENING? YOUR

    asked by SENiOR '09
  50. ecology

    WHICH WEATHER SITUATION WILL BE THE LEAST COMFORTABLE FOR A LONG DISTANCE RUNNER? A.20* CELCIUS (68f) WITH RELATIVE HUMIDITY OF 40% B. 20* CELCIUS (68f) WITH RELATIVE HUMIDITY OF 90% C.25* CELCIUS (77 f) WITH RELATIVE HUMIDITY OF 90% D.35* CELCIUS (95 f)

    asked by JOSHUA
  51. college Western Civ. answer

    That the tigris amd euphrates are in mesopotamia and the nile river is in egypt

    asked by Nancy
  52. Spanish

    T/F I'm a little cunfused on the translation(s) generalmente se prohibe entregar el trabajo a tiempo en el colegio cuando hay 31 estudiantes y solo 30 asientos alguien no se puede sentar

    asked by Anonymous
  53. Math/College Algebra

    A water trough with triangular ends is 9ft long, 4ft wide, and 2ft deep. Initially the trough is full of water, but due to evaporation, the volumn of the water decreases at a rate proportional to the square root of the volume. Using advanced concepts from

    asked by Debi
  54. Pre-Calculus

    What is the Domain and Range of the function: Y=sin2x+4?

    asked by Crystal
  55. Math / Fractions

    If 3/8 + 3/4 = $36.35 and the room to cover is 12 ftX 12 ft how much will the total cost be. I do not want the answer, I want you to explain to me HOW to GET the answer.

    asked by lifeontwofeet
  56. trig

    if a and b are acute angels and sin(a+b)=1,sin(a-b)=1/2 then prove that (1)tan(a+2b)=-(3)1/2

    asked by kalpana
  57. math

    find the area of a triangle w/ sides 4x, 5x and 7x Round to the nearest hundredth thanks for your help

    asked by Amy
  58. English

    How does mind-mapping prepare you for outlining

    asked by Gwen
  59. just a ?

    what are some characteristics that are important to be a professor (any kind)

    asked by Anonymous
  60. math !!

    solve the equation for the interval 0

    asked by Amy
  61. here is the intro

    Obama said this before, “I’m you to believe. Not just in my ability to bring about real change to Washington… I’m asking you to believe in yours.” Yes, he is an African American, so he would be the first president of a different color. That

    asked by stacy :]
  62. college algebra

    the answer is supposed to be 4 but i do not know how they got it. Solve for x. [x-(1/x)]/[1+(1/x)]=3

    asked by chelsea
  63. algebra

    Use the variable C to represent total cost and S to represent the sale price. the total cost equal the sale price plus a $25 delivery charge.

    asked by evelyn
  64. earth

    What is a scientific instrument?

    asked by Rebecca
  65. college

    I need information about how it is that military/officer death notification is greatly different from that of the civilian.

    asked by Nicky
  66. Math

    What do we call the nunmbers that cannot be arranged ito 2-row arrays

    asked by Jaz
  67. Math

    What do we call the nunmbers that cannot be arranged ito 2-row arrays

    asked by Ross
  68. Critical Thinking

    I could not identify vague, ambiguous, or rhetorical devices in this article. Can you tell me if I am missing something? John Kerry is making the outsourcing of jobs by American companies a centerpiece of his campaign, telling audiences that ''because of

    asked by robert
  69. teaching as a professional career

    In a 200- to 300-word response, you must identify 3-5 factors that define teaching as a professional career, and elaborate on how teachers employ these factors on a daily basis. Your responses might include the following: teaching requires professional

    asked by ashajackson
  70. 11th grade

    does any one know anything about persian calendars how do they count years and anything at all

    asked by jess cole
  71. Criminal law

    i'm needing help under standing the assignment please help. Describe the purposes of criminal law.Describe the two main functions of criminal law.Describe the written sources of American criminal law and their purposes.Describe how criminal responsibility

    asked by Tina
  72. Calculus

    Find the derivative of F(x)= integral from -2 to x of sqrt(t^3+8)dt? My answer: sqrt(x^3+8)?

    asked by Amanda
  73. Word Problem

    Given a normally distributed population, find a 95% confidence interval for the population mean; sample mean is 119; sample std deviation is 14; sample size is 28

    asked by Marilyn
  74. Word Problem

    As a sample size approaches infinity, how does the student’s t distribution compare to the normal z distribution?

    asked by Marilyn
  75. college western civ.

    SOUTH WEST ASIA- TIRIST EUPHROTIES NORTH AFRICA- NILE RIVER VALLEY INDUS VALLEY YELLOW RIVER VALLEY WHAT DO THEY ALL HAVE IN COMMON? AND HOW DO YOU KNOW?

    asked by Nancy
  76. college western civ.

    opps sorry. south west asia- tirist euphraties north africa- nile river valley indus valley yellow river valley what do they all have in common? how do you know? thanks

    asked by Nancy
  77. sucession and natural selection

    Although most salamanders have four legs, the aquatic salamander shown below resembles an eel. It lacks hind limbs and has very tiny forelimbs. Propose a hypothesis to explain how limbless salamanders evolved according to Darwin's theory of natural

    asked by linda
  78. psychology help

    Hello, I have to review a movie with psychological issues and I chose the movie I am Sam with Sean Penn. I know the main issue is with Mental Retardation but would I do the review on mental retardation or the one where the lady is obsessive compulsive.

    asked by clark
  79. language

    what kind of name is it called when it is a play on words... such as "Sonny Rains?" Would the name just be called a pun?

    asked by zgord
  80. latin

    how do you say "hello" and "goodbye" in Latin?

    asked by anonymous
  81. HELP!! (s.s)

    Why are gas prices go up besides the war?

    asked by Mark =}
  82. HELP!

    WHY ARE GAS PRICES RISING?

    asked by MARK
  83. Math B

    Can some one please explain the set of real numbers as a field to me?

    asked by Ashleigh
  84. College Algebra

    4(x-6)-5(y+8)=90 F(x)=

    asked by Lilly
  85. Pick a career to define

    Can someone help me identify 3-5 factors that define teaching as a professional career

    asked by ashajackson
  86. Calculus

    Please help explain the following: Estimate the solution of the equation f(x)= -1

    asked by Kim
  87. algebra

    (32)-3/5 simplify would the answer be-1/8

    asked by nicky
  88. science

    cross word puzzel 19 letters clue the "I" can change variable?

    asked by nyya
  89. algebra

    (8x)^2 (2x^0)-^2/(4x-^1)simplify Is the answer 64x^3

    asked by nicky
  90. US History

    How did Chesapeake settlement differ from that of New England?

    asked by Vania
  91. hystory

    Why did Europeans press westward during this period, instead of concentrating in the more easily defended coastal towns?

    asked by raul
  92. math

    a home purchased for $300,000 depreciatd 8% over a 1-year period. what was the value of gthe home after the end of the year?

    asked by seanna
  93. URGENTTT!!

    I need to use the scalar triple product. but i don't have any vectors? how am i supposed to know what the vectors all coming from one corner are?? Q:Calculate the volume of the parallelepiped with vertices at: (9,4,3), (7,12,2), (12,5,6), (3,-4,0),

    asked by jess
  94. chemistry

    what change occurs when sucrose solution is heated?Give evidence.

    asked by Sibgha
  95. Science (technically astronomy)

    I need help understanding and using the Cosmic Calander (ans in figuring out the dates certain events such as when our solar system was created). Can someone plz help me with this? Thnx in advance.

    asked by TAG
  96. science

    how dose oceanography effect the planet earth

    asked by carolina
  97. english (2)

    are these right as well? 1. a. Native peoples of the American northwest shared a pantheistic belief in manitous, good and bad spirits..... b. the Roman empire practiced pantheism in its acceptance of all the gods..... c. A complete pantheistic, she excels

    asked by kayla
  98. maths

    if y variesdirectly partly as b andc if y=3,b=2,andc=-2,andwhenny=2,b=3 andc=1/2 find k hence findc when y=4,b=1

    asked by john
  99. maths

    a hemisphericalbowl of diameter 14cm mounted on a bucket inform of frustrum of a cone if the base diametre of the bucket is 7cm and total hieght is 21cm calculate the total surface area

    asked by john
  100. History

    In the Spanish Civil War didn't the Republican and Nationalist have different flags? The only one I can find has red, yellow, and purple with an emblem on it. Thanks

    asked by Sue
  101. algebra

    I need help with simplifying (-9.5x)(-11Y) and it is not 104.5XY or just (-9.5X)(-11y). I also need help with Apply the multiplication property of 0. 5(-3)(0)(2377) and its not 0. Your help would be SO MUCH APPRIECIATED!!

    asked by nicky
  102. math

    how do you turn a fraction in to a decimal??

    asked by justdontkno
  103. Biology

    What is the name of the chemical which makes up the cell wall?

    asked by Jennifer
  104. 6th grade

    Please unscramble eefilnpptt, this may be more than one word

    asked by Anonymous
  105. Biology

    State if the organelle is present in a plant cell or an animal cell? Nucleus Nucleolus Ribosome Endoplasmic reticulum Golgi appartus Vacuoles Lysosomes Chloroplast Mitochondria

    asked by Jennifer
  106. math

    what is the exponent of 729 of

    asked by joe
  107. Sociology

    Who is a real canadian

    asked by Julie
  108. college algebra

    [x-(1/x)] / [1+(1/x)] = 3

    asked by chelsea
  109. stats

    how do you construct a relative frequency table based on an ogive?

    asked by arielle
  110. umm it won't work

    Obama said this before, “I’m you to believe. Not just in my ability to bring about real change to Washington… I’m asking you to believe in yours.” Yes, he is an African American, so he would be the first president of a different color.

    asked by stacy :]
  111. Chemistry

    10.0 g of H2SO4 are added to 50. 0 mL of water. Is the answer 200. If not how do you approach the problem to get the solution.

    asked by George
  112. ap world

    how do we know that the most agricultural production came from the fertile crescent?

    asked by lilian