Science & Mathematics - 4 October 2007

If i make a point. then a line would go infinit to the right, and infinit to the left, where would it begin and where would negetive infinit go?

2007-10-04 09:59:27 · 8 answers · asked by manyleapys 2 in Astronomy & Space

3/5x-3=1/7x+5

3/5x does not mean 3 divided by 5x...
1/7x does not mean 1 divided by 7x...
*Hopes someone gets what I mean...*

2007-10-04 09:58:54 · 10 answers · asked by Graystripe lover (Warriors) 1 in Mathematics

2007-10-04 09:54:56 · 3 answers · asked by Random G 3 in Mathematics

8.5 x 10^8/ 3.4 x 10^(-11)

2007-10-04 09:53:40 · 3 answers · asked by Anonymous in Mathematics

"A chocolate bar is separated into several equal peices. If one person eats 1/4 of the pieces and the second person eats 1/2 of the remaining pieces, there are six pieces left over. Into how many peices was the chocolate bad originally divided?"

2007-10-04 09:53:36 · 3 answers · asked by Anonymous in Mathematics

I read somewhere that you should guide a sleepwalker back to bed but not wake them, why not?!

2007-10-04 09:51:57 · 3 answers · asked by lottie 2 in Medicine

Reactivitiy maybe? I am not sure..

2007-10-04 09:51:29 · 5 answers · asked by Anonymous in Chemistry

What did I do wrong
10-4x+7x
I got 13xsquared

2007-10-04 09:50:37 · 11 answers · asked by Anonymous in Mathematics

Asteroid / meteor impacts? or Volcanic type eruptions? or something else.....

2007-10-04 09:50:32 · 15 answers · asked by NachoCook 1 in Astronomy & Space

2007-10-04 09:47:55 · 2 answers · asked by Random G 3 in Mathematics

2007-10-04 09:47:12 · 2 answers · asked by Random G 3 in Mathematics

describe spectrophotometry. besides testing paint, list other possible uses of htis laboratory technique.

2007-10-04 09:46:53 · 2 answers · asked by krisden 2 in Botany

one factor that effects ocean teampeture

2007-10-04 09:46:34 · 2 answers · asked by Anonymous in Earth Sciences & Geology

-24x^6y^7/18x^(-1/3)y^9

2007-10-04 09:44:13 · 2 answers · asked by Anonymous in Mathematics

how do i factorise x²=4x=3 and x²-3x and 6y²-7y-5 thankyou

2007-10-04 09:44:10 · 3 answers · asked by garg 1 in Mathematics

1. If x + 4= -2, the numerical value of -3x - 2 is A. -20 B. 16 C. 4 D. -8

2. If a= -2 and b= 5, what is the value of b - 13/a? A. -4 B. -9 C. 9 D. 4

3. What is 8* 10 to the -2 power in standard notation? A. 0.008 B. 0.08 C. 0.8 D. 800

2007-10-04 09:42:05 · 12 answers · asked by Amber 2 in Mathematics

2007-10-04 09:41:53 · 2 answers · asked by rjh12 1 in Mathematics

(6x^3 – 11x^2 + 11x – 2) ¸ (2x – 3)

2007-10-04 09:40:55 · 1 answers · asked by Anonymous in Mathematics

I got a question X(squared) +5X +2 =0 I need to complete the square or somthing can someone help me

2007-10-04 09:39:42 · 6 answers · asked by Trunk Monkeey 3 in Mathematics

Polonium and Beryllium .....like the chemical equation.....websites with information and how they react together what new substances do they make....

2007-10-04 09:39:40 · 2 answers · asked by *♥*Lucky Charm*♥* 2 in Chemistry

I am in 8th grade and yes I am still doing lame science fair topics. This year I am doing a project on how long dog food lasts until it molds. I have always been curious b/c when my dog doesn't eat all his food, then we just use it again. I want to see how long it takes for the molding process to begin. I can't find any thing for my research and I was hoping America could help me by giving me some advice or websights. Thank you!!!

2007-10-04 09:39:38 · 2 answers · asked by Lizzee F 2 in Other - Science

(x + 3)(x2 – 3x + 2)

2007-10-04 09:39:28 · 1 answers · asked by Anonymous in Mathematics

ok before I didn't do FOIL, so now I've done it but I'm still stuck:
x^2 + y^2 = 10
x + 2y = 7

x^2 + y^2 = 10
2y = 7-x
y = 7/2 - x/2
x^2 + (7/2 - x/2)^2 = 10
x^2 + 49/4 - 7x/4 - 7x/4 - x^2/4 = 10
x^2 + 49/4 - 14x/4 - x^2/4 = 10
4x^2 + 49 -14x -x^2 = 40
3x^2 -14x+49 = 40

......so where do I go from here to find x....or have I done something wrong again?

2007-10-04 09:38:39 · 7 answers · asked by Anonymous in Mathematics

what was it like? what did u do/feel/think/see?

do u think you were just wacked out or do u think what u experienced was a true alternate reality?

2007-10-04 09:37:07 · 8 answers · asked by Anonymous in Other - Alternative

biology is related...

2007-10-04 09:36:33 · 5 answers · asked by Anonymous in Biology

Im doing a report in school about volcanos and i dont know what it means.

2007-10-04 09:36:08 · 4 answers · asked by Anonymous in Earth Sciences & Geology

im really bad with word problems, so i have no clue how to figure out an equation for this problem.

heres the problem.
Megan bought four times as many pencils as erasers. pencils cost $.04 each, and erasers cost $.19 each. If megan spent $2.10 in all, how many pencils did she buy?

this is what i have so far as my equation.

2.10= 4(.04x)+ .19.........

i dont know what comes after the .19

2007-10-04 09:34:58 · 5 answers · asked by =) 3 in Mathematics

What insect made this? It was white, and a little less than an inch long, and about 4 or 5 centimeters across. It was a round oval. Are there larvae inside? HOw many?

2007-10-04 09:28:29 · 1 answers · asked by The Naturalist 3 in Biology

A fighter jet is launched from a aircraft carrier with the aid of its own engines and a steam-powered catapult. the thrust of its engines is 2.3x10^5N. In being launched from rest it moves through a distance of 87 meters and has a kinetic energy of 4.5x1.^7 J at lift off. what is the work done by the catapult?

2007-10-04 09:27:38 · 3 answers · asked by kwali 2 in Physics

2007-10-04 09:27:09 · 6 answers · asked by K.c 2 in Earth Sciences & Geology