Questions Asked on
May 21, 2008

  1. biology

    There are two methods used for cutting DNA into small pieces – this is via ultrasound and restriction enzymes. Which method is considered better and why?

    asked by William
  2. Macroeconomics

    Explaining Exchange Rates Suppose that under the Bretton Woods system, the dollar is pegged to gold at a rate of $35 per ounce and the pound sterling is pegged to the dollar at a rate of $2 = £1. If the dollar is devalued against gold and the pegged rate

    asked by animal
  3. health

    Match race and ethnicity key terms with their correct descriptions: 1. Copy each key term from the Key Terms list below. 2. Paste each key term into the cell to the right of its matching description. Key Terms: Stereotype, Gender group, Pluralism,

    asked by Tim
  4. novel

    If you consider The Call of the Wild to be an allegory, which one of the following statements would be true? A. Judge Miller represents the primordial condition. B. Buck represents some characteristic of humanity. C. John Thornton represents the civilized

    asked by jodi
  5. Computer Science

    I need help with these assignments. "Write a program to read a list of exam scores (integers in the range 0 to 100) and to output the total number of grades and the number of grades in each letter-grade category (90 to 100 = A, 80 to 89 = B, 70 to 79 = C,

    asked by Jim
  6. physics

    when is the Kinetic energy of the satellite the greatest and the least? Potential energy the greatest? The least?

    asked by Tri
  7. accounting

    If total liabilities decreased by $25,000 during a period of time and owner's equity increased by $30,000 during the same period, the amount and direction (increase or decrease) of the period's change in total assets is

    asked by Tina
  8. Social Studies

    I need to Compare and Contrast the economic theory of Communism to Capitalism

    asked by Dee
  9. math

    how did the judge find out about the rotten milk

    asked by tyniejah
  10. Probability. NEED HELP!!!

    What is the probably that a five-card hand dealt from a standard deck of cards will include four cards of the same alue? (This is called a "four of a kind" in poker)

    asked by Tom
  11. Math

    Find the reciprocal of 1/7 (-7-10).

    asked by Theresa Brown
  12. English/Spelling

    Analogies must start with scr, spr, str, thr 5 letters broom : sweep :: brush :

    asked by Marie
  13. social studies

    What do Australia and New Zealand have in common? Wher is the Great Dividing Range located? Australia is the ______ smallest continent? Does Australia have a diverse population? Is New Zealand a continental island or a oceanic island?

    asked by Jillian
  14. Math

    Can you explain how you got 7/1 because I calculate -7/17 for the reciprocal of 1/7 (-7-10).

    asked by Theresa Brown
  15. math

    How do multiply mixed numbers and fractions

    asked by Jenna
  16. Pre-Algebra

    A Jet airplane leaves an airport traveling at a steady rate of 600km/h. another jet leaves the same airport 3/4h later traveling at 800km/h in the same derection. how long will the 2nd jet take to overtake the first?

    asked by Thania
  17. pediatrician

    What is a pediatrician?

    asked by brook
  18. Math - Geometry

    A cylindrical solid has a cylindrical circular hold drilled out of the center. Bascially, it's a circular cylinder with a hollow spot right down the middle. Find the surface area of the resulting solid. radius of larger circle: 2in radius of smaller circle

    asked by Nikki
  19. literature

    Why is the Old Man and the Sea such a good book? I have to do a review on it and I usually like classic books, but I didn't really like this one. Can someone please explain to me what other people like about this book? Thanks!

    asked by Charlotte
  20. algebra

    System of equations, the addition method 3x-3y=6 3x+3y=0 Whats the answer?

    asked by noelle
  21. History

    What were some problems during the Renaissance. I am supposed to make an invention to help people during the renaissance.

    asked by Dani
  22. math

    How can I figure this out? Five integers have an average of 69. the median is 83. the mode is 85. the range of the 5 integers is 70. what is the second smallest of the 5 integers?

    asked by Kayla

    A fair coin is tossed ten times in a row. What is the probability that "heads" comes up at least eight times? I got an answer of 7/128, but I lost the paper with the work I showed. Can someone refresh my memory please?

    asked by Tom
  24. math

    show me how to convert a decimal into a fraction in simplest form

    asked by Diego
  25. Algebra

    Find the area of the figure. 15 ft, 15ft, 40ft, 50ft

    asked by Sam
  26. Research

    When is a research hypothesis utilized in a research proposal?

    asked by LORIE
  27. chem

    of cesium, Cs, hafnium, Hf, and gold, Au, which element has the smallest atomic radius? explain in terms of trends in periodic table? also which element is most electronegative among C, N, O, Br and S? Which group does it belong to?

    asked by jerson

    I need help please. "what voluma [in mL] at STp will be occupied by 0.0035 mol of methane [CH4]" THANK YOU SOO MUCH!

    asked by Mandy
  29. Adv. Math

    How do you name bases, faces, edges, and vertices to a solid? I just cant understand it srry =c\

    asked by Kenya
  30. business management

    Searching for ideas and thoughts to this part of my essay.You lean that a competitor has made an important discovery. It will substantially reduce, but not eliminate your profit for about a year. There is a possibility of hiring one of the competitor's

    asked by jean
  31. Test tomm. Need help *Urgent*

    Sorry for posting so many topics, but I really need help on this stuff. I recently lost my work I did on a separate sheet from 2 weeks ago, and now I can't seem to find the answer again. a fair six-sided die is tossed seven times in a row. A) What is the

    asked by Tom
  32. gen 105

    How Do You Create A Table That Lays Out A Day-by-day Plan To Use As A Job Aid For Employment Search, Spanning 3 Weeks?

    asked by mark
  33. spansih

    Que _____ traigo a Uds.? nos le les me What do ________ bring you? us him they me It doesnt make sense does it?

    asked by Anna
  34. Math

    Emil is shopping for a convertible. He plans to test drive three cars, a Toyota, a Honda, and a Mazda. He also wants to test drive both the 5-speed standard and the automatic transmission in each, but the Mazda isn't made with an automatic transmission. He

    asked by Amy
  35. Calculus

    Let f(x) = sqrt(3x+15) Find f'(x) The answer is 3/(2sqrt(3x+15) Can anyone who does this please explain step by step why you did what you did? I have a lot of difficulty finding the derivative with radicals.

    asked by Alex
  36. Chemistry

    Write rate law expressions? 2NOCl(g) --> 2NO(g) + Cl2(g) S2O3^2-(aq) + H^+(aq) --> HSO3^-(aq) + S(s) (Sulfur initially forms a colloid solution so it can be treated as aqueous.) (1) Write the rate law expression for the above reactions, assuming these are

    asked by Donna
  37. english

    Rewrite the following sentences, focusing on the grammar area specified in the left column. To enter your answer, click next to the number and begin typing. If the sentence is already correct, write No Change. Dangling Modifiers Flying over the oak tree,

    asked by sandra
  38. Probability problems

    I need help with two word problems that have to do with probability. Can someone please help me?

    asked by Gayla
  39. computers

    informatio on any one existing IT company

    asked by dheeraj
  40. Java Help

    I am just starting out in programming. If someone could help me with these assignments, it would be greatly appreciated. "Write a Rectangle class. This class represents Rectangles. Each Rectange has the X and Y coordinates of its center point (as doubles)

    asked by Jim
  41. physics

    if 5/6th of a radioactive sample decay in 70 years and 1/6th remain. how can you find the half life without knowing the decay constant can you help?

    asked by ronny
  42. Maths-Algebra

    In class i was given this- Write Each of these Phrases using Mathematical Symbols: a)15 More than x = b)x Divided By 4 = c)x Times 12 = d)3 Less than twice x = And i Don't understand What to Do!?!?! Anyone Could Help that would Be really Great.

    asked by Madison
  43. algebra 2

    "for 2000 patients, blood-clotting time was normally distributed with a mean of 8 seconds and a standard deviation of 3 seconds. What percent had blood-clotting times between 5 and 11 seconds

    asked by James
  44. Calculus

    Let y = u^3+6u, where u = 2x^4+3x^2-2 Find dy/dx. Also.. 2) Let f(x) = 1/sqrt(4x^2-x). Determine f'(x). 3) Let y = 5/cubrt((2x-5)^2). Determine dy/dx.

    asked by Alex
  45. math

    I wanted someone to tell me if I got these problems correct. 6.5% of what number is 325? B= 5,000 In the next problem I had to estimate the amount. I did this by changing 48.3% to 48%, then I mulitplied it by 1500. What is 48.3% of 1,500? A=720 Thanks!

    asked by LIFETIME
  46. science do in 2 hrs

    how does an object develop an electric charge? I answerd there are three ways friction, contact and induction? is this correct

    asked by sam
  47. science

    How does an electroscope detect an electric charge on an object?

    asked by sam
  48. Math

    Can you tell me if I got these wrong or right? 1. Ms. Jordan has been given a loan of $2,500 for 1 year. If the interest charged is $275, what is the interest rate on the loan? = 11% 2. A school had 900 students at the start of a school year. If there is

    asked by Carrie
  49. history

    Why is Athen's still admired as an early model of democracy?

    asked by joanne
  50. Social Studies

    What are the desirtification percentages in Africa, America, and the world?

    asked by Logan
  51. english

    hi Im a senior and my last assignment in english is to write an essay ,If i don't get at least a B on this essay .I wont graduate.... The question : "why do writers often chose "betrayal" as a theme? to prove it chose 2 books ( kite runner and 1984) even

    asked by rachel
  52. Math

    Hello.I need to rearrange the following to make b the subject' a = 10/b-z. Im getting confused with how to rearrange when theres division involved.

    asked by Sam
  53. english

    can someone help me write a bibliography for my report? what is the format for writing a bibliography?

    asked by marc
  54. Psychology

    How did Ivan Pavlov inspire John Watson?

    asked by Christian
  55. English-Literature

    I need help with a list of all characters in Archibald MacLeish's book J.B.. Can anyone help me???Thanks

    asked by Sue
  56. M116

    5x-7 < 10x +3

    asked by SHELLY Y
  57. Chemistry

    How is limestone used to make mortar?

    asked by Dami
  58. algebra

    im totally lost with my homework this is all gibberish to me. What are the coordinates of the vertex of the graph of the quadratic function y= -x^2 -1? A.(0,-1) B.(0,2) C.(-1,-1) D.(-1,0)

    asked by Brandy
  59. Accounting/ balance sheet

    the net accounts receivable: a) debit balances $52,000. b) credit balances $8,000. A/R net is 40,500

    asked by Adam
  60. math

    what is a mathematical rule?

    asked by robert
  61. math

    what is 10 to the 26th power? solve

    asked by brooke
  62. Math

    Could someone tell me if I got these problems right. A man used 1 pt. 9fl oz. of cleaner, then he used 2 pt 10 fl oz. out of a 3 qt. bottle. How much cleaner is left? = 1 pt. 13 floz The United States emitted 19.5 million t of nitrogen oxides(NO) into the

    asked by Katie
  63. Math

    Hi Can someone please help me with the problem below. When Bill bowls, he can get a strick 60% of the time. How many times more likely is it for Bill to bowl at least three strikes out of four tries as it is for him to bowl zero strikes out of four tries.

    asked by Jon
  64. math

    a ______________ is a mathematical rule.

    asked by robert
  65. inb

    5. How would you accomplish exposure netting with currencies to two countries that tend to go up and down together in value?

    asked by Anonymous
  66. keyboarding and word processing

    11. Carter must inform employees at Benton Industries of the details of the company's annual summer picnic. The best document format for him to use to announce this one event is a/an A. block letter. B. brochure. C. memorandum. D. short report.

    asked by mattie
  67. writing

    can you help me find vivid adjectives?

    asked by Anonymous
  68. keyboarding

    12. What word processing feature protects against printing the last line of a paragraph at the top of the next page? A. Hard Page Break B. Merge Cells C. Widow/Orphan Control D. Wordwrap

    asked by mattie
  69. math

    how do u describe a dead skunk

    asked by tyniejah
  70. keyboarding

    When creating a 20-page newsletter in which you want different margin settings and other page formats within the multipage document, which one of the following Word features should you use? A. Styles B. Formatting C. Unequal columns D. Sections

    asked by mattie
  71. keyboarding

    Secretary A will use "Sincerely" as the complimentary closing of a letter to a colleague. Secretary B will use "Cordially" as the complimentary closing of a letter to a friend. Which secretary is using the correct closing? A. Neither secretary B. Both

    asked by mattie
  72. keyboarding

    Which one of the following represents the correct format for the salutation of a letter that uses open punctuation? A. Dear Mr. Joseph Rodrigues, B. Mr. Joseph Rodrigues: C. Dear Mr. Rodrigues: D. Dear Mr. Rodrigues

    asked by mattie
  73. English-Literature

    I have to identify the types of perspective/voice. Can someone please tell me what that means? Thanks

    asked by Sue
  74. Accounting

    I am working on a problem that wants me to make a balance sheet and income statement for the Argo Sales Company based on some information given that I have no idea how to compute. I have been able to figure out how to do a ratio correctly if I am given the

    asked by Rene
  75. math

    why is a party like pouring oil into a car

    asked by tyniejah
  76. French

    I am having trouble distinguishing l'imparfait and the passe compose.

    asked by Yvonne
  77. Math

    I have this application that I cant figure out how to work. Please help without giving me the answer. 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 Angela
  78. Racial and ethnic groups

    Write a 1,050- to 1,400-word research paper identifying the linguistic, political, social, economic, religious, and familial conventions and/or statuses of four Hispanic groups living in the United States.

    asked by Anonymous
  79. Science

    Describe the plant life, animal life, and geology of the ecosystem in the area in which you live. What populations and communities are present? How dependent is your community on this ecosystem? What are the limiting factors of the ecosystem? How do I find

    asked by Bobby
  80. Biology

    There are many drugs that aid our lives on a daily basis that are made/mass produced due to the assistance of bacteria. Can you give a few examples of such drugs and perhaps tell the class a little about the process?

    asked by William
  81. algebra

    How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? If you replace the equal sign of an equation with an inequality sign, is there ever a time when the same value will

    asked by Anonymous
  82. geo

    what is the european country that controlled Cameroon, Tanzania and south west asia in 1914

    asked by Anonymous
  83. Probability

    An urn contains 7 red marbles labeled {1,2,3,4,5,6,7} and 5 green marbles labeled {1,2,3,4,5}. Four marbles are pulled out at once. What is the probability that A. All four marbles are red? B. More of the marbles are green than red? C. Both red and green

    asked by Tom
  84. sose

    why is farming so important?

    asked by mel
  85. sose

    how much money does the farming industry contribute to the australian economy? how many people are employed in the farming industry in australia?

    asked by tegz
  86. chemistry

    how many moles are in Fe2O3

    asked by natalie
  87. Math

    Cindy had $1.08 using 9 coins. She had as many pennies as dimes. ___ Danielle had 96 coins, using ten coins. She had the same number of nickels as all the other coins put together. __ The coin choices are. Half Dollar, Quarters, Dimes, Nickels, and

    asked by Bob
  88. SOSE

    how much money doese the australian fishing induustry bring into the aussi economy each year?????

  89. maddamcjwalker

    who is madam cj walker?

    asked by Anonymous
  90. Algebra

    A triangle has base 13 feet and an altitude of 7 feet. What is its area.

    asked by Madison Boyd
  91. English

    Is there a way to express the verb 'must' such that it means the subject does not have to do something? See: I must go. -- I have to go. I must not go. -- I have to avoid going. I can't think of any 'must' equivalent to "I do not have to go". Is it

    asked by Jack
  92. Algebra

    Find the five-number summary of the following set of numbers. 0.08, 0.16, 0.18, 0.20, 0.22, 0.25, 0.27, 0.27, 0.28, 0.32

    asked by Molly White
  93. ACT

    This is kinda of stupid question but I really need to know. What does class rank mean on ACT score report?? Is it the rank for ACT test takers in your school? or is it the rank for your grades in high school ??

    asked by gigi