Science & Mathematics - 18 January 2007

2007-01-18 12:09:34 · 2 answers · asked by drake e 1 in Physics

the X means multiply HELP ME!!!

2007-01-18 12:08:47 · 12 answers · asked by Kate♥ 2 in Mathematics

x+6y=6 & 4y-6x=12 PLZ show work

2007-01-18 12:05:28 · 3 answers · asked by Jessica H 3 in Mathematics

2007-01-18 12:05:15 · 7 answers · asked by sean a 1 in Mathematics

2007-01-18 12:04:12 · 2 answers · asked by Alexis 2 in Chemistry

I understand the BaSO4 coming together, but where does the 2H2O come from? Please explain?
Ba(OH)2 + H2SO4 --> BaSO4 + 2H2O

2007-01-18 12:02:35 · 7 answers · asked by untilyoucamealong04 3 in Chemistry

2007-01-18 12:02:25 · 12 answers · asked by Anonymous in Mathematics

I am doing school and this probably one of the easiest ways to find out.Thank you for your answers.

2007-01-18 12:01:24 · 2 answers · asked by person 1 in Weather

Given human history which would be a more likely scenario?

2007-01-18 12:01:00 · 17 answers · asked by Brandon 3 in Astronomy & Space

2007-01-18 12:00:59 · 7 answers · asked by eric n 1 in Geography

integrate symbol = {
rad = x^(1/2)


{(rad1+lnx)/(xlnx)

{(rad2x-1)/(2x+3)


and if not, then does anybody have the answers/solutions to EVEN-NUMBERED questions for the James Stewart Single Variable Calculus 5E textbook???


ugh :(

2007-01-18 12:00:33 · 1 answers · asked by grag 1 in Mathematics

2007-01-18 12:00:25 · 8 answers · asked by maddielexi4 2 in Earth Sciences & Geology

just want ur estimated year and the reason behind human extinction.

2007-01-18 12:00:00 · 3 answers · asked by Chocogal 7 in Zoology

2007-01-18 11:59:08 · 12 answers · asked by Jilly_Bean2011 2 in Zoology

relating to windmills.

2007-01-18 11:57:34 · 7 answers · asked by Edward V 1 in Engineering

a) calculate [-2,2] integral x^5
b) Why is the answer the way it is?
c) find the "actual" area between the curve and the x-axis from x=-2 and x=2

2007-01-18 11:57:32 · 2 answers · asked by al33191 1 in Mathematics

Why doesn't saliva freeze solid?

2007-01-18 11:57:17 · 9 answers · asked by eobannon45 1 in Chemistry

convert 15 degrees to radians and convert 2.5 rad to degrees. please do this so i can use them as an example to go by thanks

2007-01-18 11:52:55 · 3 answers · asked by brian m 1 in Mathematics

my chem project is due tomorrow..!! >o< HELlpp !!!

2007-01-18 11:52:42 · 4 answers · asked by pompom 2 in Chemistry

2007-01-18 11:51:59 · 11 answers · asked by Sandy 1 in Earth Sciences & Geology

Here's the question: An 18 y/o runner can complete a 10.0km course with an avg speed of 4.39 m/s. A 50 y/o runner can cover the same course with an avg speed of 4.27 m/s. How much later (in seconds) should the younger runner start in order to finish the course at the same time as the older runner?

2007-01-18 11:50:57 · 12 answers · asked by Anonymous in Physics

The sum of two numbers is 29, and the cube of their sum exceeds the sum of their cubes by 14616. Find the larger of the two numbers.

2007-01-18 11:50:48 · 6 answers · asked by SallyJane 3 in Mathematics

If vegetables become wilted, they can often be made crisp again by soaking them in water. However, they may lose a few nutrients during the process. Using the concept of diffusion and concentration, state why some nutrients would leave the plant cell?

And is it possible to determine whether it's a isotonic solution or hypertonic/hypotonic?

2007-01-18 11:50:09 · 1 answers · asked by Anonymous in Biology

2007-01-18 11:50:08 · 2 answers · asked by Anonymous in Botany

I know the answer but I want to know how to sovle it.

For what value of n does the system below have infitnetly many solutions?

-3x+2y=7
9x+ny=-21

please help I have an exam tomorrow!!!!

2007-01-18 11:49:37 · 6 answers · asked by Kelye 3 in Mathematics

A List Would Be Great!!

2007-01-18 11:49:09 · 4 answers · asked by cb09 1 in Biology

2007-01-18 11:49:01 · 1 answers · asked by katiekcat5 3 in Chemistry

On Monday, a store gives a discount of 20% on the original price of a coat. On Tuesday, the store raises the discount price of the coat by 50%. This new price of the coat is $18 more than the original price of the coat. Find the number of dollars in the original price of the coat.
Thanks,
Kickgirl91

2007-01-18 11:46:04 · 3 answers · asked by SallyJane 3 in Mathematics

Can anyone tell me where I could get information on the topics of the contest or possibly an older copy? I tried visiting the University of Waterloo site, but there is something wrong with the pdf files that you can download from there. Thanks in advance!

2007-01-18 11:44:03 · 1 answers · asked by Anonymous in Mathematics

need to know this for a science project {-_-}. also im curious.

2007-01-18 11:43:37 · 4 answers · asked by Anonymous in Other - Science