science.. please help!!
i need to find two articles in anything to do with an ecological concern (ex. pollution as a threat to our ecosystem)... please help me find a site, i can't find any good ones!!
October 27, 2008
Find the exact value of the shortest distance from the origin to each line. y=x-4 is the equation of the line. When i do the problem I keep on getting 0 but that's not the answer!!! please help me.
October 22, 2008
to be more specific...i know its best for me to attempt the problem so for the first problem i used substitution as v=3u dv=3du du=dv/3 so answer i got was 1/3 ln3u is that correct? and on the second on i tried x*x^-2 as x^-3 dx so ans is -1/2x^-2 is that correct? please let ...
October 8, 2008
the directions are to determine whether or not the equation is exact if so then solve it. the question is (x-y^3+ysinx)dx = (3xy^2+2ycosx)dy i solve and i got that it is exact because My is -3y^2+2ysinx and Nx is -3y^2+2ysinx since m and n are equal then they are exact then i ...
October 8, 2008
Global : Columbus
Because he stole crops and other items from Native Americans and took them slaves and brought them to his country many times. Native Americans who either crossed over a bridge in the ice age or canoed on boats.
October 1, 2008
Local Enviornmental Issue Checkpoint
Discuss an environmental problem that you feel is significant in your town or city. What are some causes? Are any of these causes related to human values and environmental ethics? Explain.
September 5, 2008
1.when air is cold, it has less ______. 2.the expansion joints _______ when it is cold outside. 3.the expansion joints ______ when it is hot outside. 4.what might happen to a road without expansion joints? The _____ is a blank need answer please and 4 need it to be short ...
February 28, 2008
The role of protein in hormone/enzyme functions? How protein assists with immunity? The protein needs of an infant or toddler compared to an adult? The importance of protein in maintaining fluid/electrolyte and pH balance? Amino acids and how they relate to athletics? Any good...
February 21, 2008
Please check double check me please. For the decimal 8.57932 What is the place value of 5? Ten Thousandths What is the place value of 2? Ones Write each of the following as a common fraction or mixed number 4.0171 Answer: 4 171/10,000 Arrange in order from smallest to largest ...
February 19, 2008
When is the book, "Maniac Magee", taking place? http://en.wikipedia.org/wiki/Maniac_Magee If the author doesn't give a specific time setting (year or decade or whatever), then he probably means for it to be a "timeless" story, one that could happen ...
July 19, 2007
1. decrease absorbance and decrease % transmittance 2. decrease absorbance and increase % transmittance 3. increase absorbance and decrease % transmittance 4. decrease absorbance and increase % transmittance
May 10, 2007
Keiko has 7 colors of lanyard. She uses 3 different colors to make a keychain. How many different combinations can she choose? 7 for the first, 6 for the second and 5 for the third. The answer is the product of those numbers, no matter what order the three colors are picked. ...
May 6, 2007
How would someone identify an unknown bacteria? "Due to the prospect of interplanetary travel, how would you attempt to isolate and identify a bacterial infection acquired on another planet. This bacteria is unknown to use and does not appear in Bergey's or the manual...
May 5, 2007
Due to the prospect of interplanetary travel, how would you attempt to isolate and identify a bacterial infection acquired on another planet. This bacteria is unknown to use and does not appear in Bergey's or the manual of clinical microbiology. Look for the properties of ...
May 4, 2007
you are the manager at the cadillac division of GM. If the marketing department has estimated that the annual demand for the escalde is Q=100,000-1.25P what price should you charge in order to maximize revenues from sales? Total revenue is P*Q. So, TR = 100,000P - 1.25P^2. ...
November 30, 2006
please help me paraphrase
Heroines are not always victims of unfriendly forces beyond their control. but are the instead, challengers who confront the world rather than waiting for success to fall at their pretty feet. Heroines of this sort are not numerous in oral tales and do not exist at all in any ...
October 25, 2006
Why does the Constitution and the Declaration of Independence are called Living documents? I need an answer why to write my government report. The Constitution is a living document because we can amend and change it. Also, the Supreme Court continuously interprets the ...
October 19, 2006
um take home test...i have no idea what im doing always sometimes never 1. sin2x=2sinx 2. cos (pie/3+x)=-sinx 3. if tan x=3 and tan y=2 then tan (x+y)=5 4. when you use the half angle formulas you choose whether to use a + or - by noting in which quadrant the angle lies 5. ...
June 11, 2006