Questions Asked on
May 21, 2008

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 
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 
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 
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 
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 lettergrade category (90 to 100 = A, 80 to 89 = B, 70 to 79 = C,
asked by Jim 
physics
when is the Kinetic energy of the satellite the greatest and the least? Potential energy the greatest? The least?
asked by Tri 
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 
Social Studies
I need to Compare and Contrast the economic theory of Communism to Capitalism
asked by Dee 
math
how did the judge find out about the rotten milk
asked by tyniejah 
Probability. NEED HELP!!!
What is the probably that a fivecard 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 
Math
Find the reciprocal of 1/7 (710).
asked by Theresa Brown 
English/Spelling
Analogies must start with scr, spr, str, thr 5 letters broom : sweep :: brush :
asked by Marie 
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 
Math
Can you explain how you got 7/1 because I calculate 7/17 for the reciprocal of 1/7 (710).
asked by Theresa Brown 
math
How do multiply mixed numbers and fractions
asked by Jenna 
PreAlgebra
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 
pediatrician
What is a pediatrician?
asked by brook 
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 
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 
algebra
System of equations, the addition method 3x3y=6 3x+3y=0 Whats the answer?
asked by noelle 
History
What were some problems during the Renaissance. I am supposed to make an invention to help people during the renaissance.
asked by Dani 
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 
TEST TOMM. NEED HELP IMMEDIATELY. PROBABILITY
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 
math
show me how to convert a decimal into a fraction in simplest form
asked by Diego 
Algebra
Find the area of the figure. 15 ft, 15ft, 40ft, 50ft
asked by Sam 
Research
When is a research hypothesis utilized in a research proposal?
asked by LORIE 
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 
CHEMISTRY
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 
Adv. Math
How do you name bases, faces, edges, and vertices to a solid? I just cant understand it srry =c\
asked by Kenya 
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 
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 sixsided die is tossed seven times in a row. A) What is the
asked by Tom 
gen 105
How Do You Create A Table That Lays Out A Daybyday Plan To Use As A Job Aid For Employment Search, Spanning 3 Weeks?
asked by mark 
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 
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 5speed standard and the automatic transmission in each, but the Mazda isn't made with an automatic transmission. He
asked by Amy 
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 
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 
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 
Probability problems
I need help with two word problems that have to do with probability. Can someone please help me?
asked by Gayla 
computers
informatio on any one existing IT company
asked by dheeraj 
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 
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 
MathsAlgebra
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 
algebra 2
"for 2000 patients, bloodclotting time was normally distributed with a mean of 8 seconds and a standard deviation of 3 seconds. What percent had bloodclotting times between 5 and 11 seconds
asked by James 
Calculus
Let y = u^3+6u, where u = 2x^4+3x^22 Find dy/dx. Also.. 2) Let f(x) = 1/sqrt(4x^2x). Determine f'(x). 3) Let y = 5/cubrt((2x5)^2). Determine dy/dx.
asked by Alex 
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 
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 
science
How does an electroscope detect an electric charge on an object?
asked by sam 
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 
history
Why is Athen's still admired as an early model of democracy?
asked by joanne 
Social Studies
What are the desirtification percentages in Africa, America, and the world?
asked by Logan 
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 
Math
Hello.I need to rearrange the following to make b the subject' a = 10/bz. Im getting confused with how to rearrange when theres division involved.
asked by Sam 
english
can someone help me write a bibliography for my report? what is the format for writing a bibliography?
asked by marc 
Psychology
How did Ivan Pavlov inspire John Watson?
asked by Christian 
EnglishLiterature
I need help with a list of all characters in Archibald MacLeish's book J.B.. Can anyone help me???Thanks
asked by Sue 
M116
5x7 < 10x +3
asked by SHELLY Y 
Chemistry
How is limestone used to make mortar?
asked by Dami 
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 
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 
math
what is a mathematical rule?
asked by robert 
math
what is 10 to the 26th power? solve
asked by brooke 
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 
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 
math
a ______________ is a mathematical rule.
asked by robert 
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 
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 
writing
can you help me find vivid adjectives?
asked by Anonymous 
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 
math
how do u describe a dead skunk
asked by tyniejah 
keyboarding
When creating a 20page 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 
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 
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 
EnglishLiterature
I have to identify the types of perspective/voice. Can someone please tell me what that means? Thanks
asked by Sue 
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 
math
why is a party like pouring oil into a car
asked by tyniejah 
French
I am having trouble distinguishing l'imparfait and the passe compose.
asked by Yvonne 
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 
Racial and ethnic groups
Write a 1,050 to 1,400word 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 
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 
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 
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 
geo
what is the european country that controlled Cameroon, Tanzania and south west asia in 1914
asked by Anonymous 
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 
sose
why is farming so important?
asked by mel 
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 
chemistry
how many moles are in Fe2O3
asked by natalie 
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 
SOSE
how much money doese the australian fishing induustry bring into the aussi economy each year?????
asked by GOING TO FAIL A BIG TEST KID 
maddamcjwalker
who is madam cj walker?
asked by Anonymous 
Algebra
A triangle has base 13 feet and an altitude of 7 feet. What is its area.
asked by Madison Boyd 
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 
Algebra
Find the fivenumber 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 
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