Science & Mathematics - 19 September 2007

omg yo!

2007-09-19 12:43:38 · 11 answers · asked by desigirl64 3 in Weather

Something edible...related to a food ingredient... ..for a recipe

2007-09-19 12:42:18 · 9 answers · asked by ? 2 in Chemistry

2007-09-19 12:42:05 · 2 answers · asked by Andre T 1 in Chemistry

assume there is no denominator.

7^8 over
7^2


-5pq^7 over
10p^6q^3


x^3y^0x-7

(5r-2)-2 over
(2r^3)^2

(r^2t5)0
(t^-1)


I will give you 10 points, this is xtra credit by the way.

2007-09-19 12:40:15 · 1 answers · asked by Anonymous in Mathematics

Sue asks if coordinate geometry is “real” geometry. What do you think?

2007-09-19 12:39:31 · 2 answers · asked by Anonymous in Mathematics

2007-09-19 12:39:18 · 3 answers · asked by aly 1 in Earth Sciences & Geology

a.collect dust particles
b.enhance growth conditions for microorganisms.
c.to kill any microorganisms present in the broth

2007-09-19 12:35:48 · 3 answers · asked by jessica [biology 1 student] 2 in Biology

just a guess

2007-09-19 12:34:40 · 12 answers · asked by Chocogal 7 in Astronomy & Space

Can you help me find z AND explain it? thanks!

and for these:

0.49k=6.272

solve for k

-5.73q= 97.41

solve for q

(32/3)x = -51/2

solve for x

3p= 4 1/5


solve for p



THANKS SO MUCH! =]

2007-09-19 12:32:03 · 4 answers · asked by Anonymous in Mathematics

2007-09-19 12:32:01 · 2 answers · asked by Dalila 1 in Mathematics

this has to do with the cycle of copper reactions experiment

2007-09-19 12:28:38 · 1 answers · asked by preppy_airhead 2 in Chemistry

A 14.7 g sample of sodium carbonate is added to a solution of acetic acid weighing 18.2 g. The two substances react, releasing carbon dioxide gas to the atmosphere. After reaction, the contents of the reaction vessel weighs 25.4 g. What is the mass of carbon dioxide given off during the reaction?


I got 8.0, is that correct. . . .significant figures play a major role in the correct anwser

2007-09-19 12:28:00 · 1 answers · asked by brettmhannan 1 in Physics

whats the answer

2007-09-19 12:26:46 · 11 answers · asked by Evelyn E 1 in Mathematics

thanks

2007-09-19 12:25:56 · 4 answers · asked by Anonymous in Mathematics

2007-09-19 12:24:52 · 4 answers · asked by elisdad 1 in Zoology

a pilot tries to drop a bag of flour from an airplane flying horizontally at 55.56m/s onto a target on the ground 250m below. with what velocity must he throw the flour up or down if he is foced to release it when he is 500m horizontally from the target.

2007-09-19 12:23:02 · 2 answers · asked by Anonymous in Physics

how would i seperate a mixture of water, sand, and sodium chloride? thanks!

2007-09-19 12:21:27 · 2 answers · asked by Andrea 1 in Chemistry

and please show me how to do it in the simplest ways with all details and instructions...
THANKS A BUNCH!!!

2007-09-19 12:19:48 · 4 answers · asked by Anonymous in Mathematics

Show your work please

2007-09-19 12:19:17 · 2 answers · asked by ? 2 in Mathematics

What is the definition of volume and mass?
Can you answer these questions which tools would you use to find each?-
The mass of a rock.
The time it takes to sharpen a pencil
The amount of liquid in a jar
The length of a desk
The temperature of the air

2007-09-19 12:16:34 · 1 answers · asked by ? 2 in Chemistry

isn't that right?
(just need confirmation)

2007-09-19 12:16:06 · 2 answers · asked by C'est Comme Un Rêve 3 in Chemistry

I am searching for books that have tons of math equations and/or formulas dealing with astronomy?

Any good, easy books for me to explore and purchase?

2007-09-19 12:16:05 · 3 answers · asked by Anonymous in Astronomy & Space

What is the equation or math formula for the speed of light?

2007-09-19 12:14:23 · 7 answers · asked by Anonymous in Astronomy & Space

why do specimens in slides in the microscope have to be thin?

2007-09-19 12:14:03 · 2 answers · asked by Anonymous in Botany

why are there no chloroplasts in onion cells?

2007-09-19 12:13:07 · 2 answers · asked by Anonymous in Botany

Please explain.

2007-09-19 12:12:05 · 1 answers · asked by Anonymous in Physics

Find the integral (inverse trigonometric functions):

1. ∫[t/(t^4+16)]dt

Find the indefinite integral (natural logarithmic functions)

2. ∫[x(x+2)/(x^3+3x^2-4)]dx

2007-09-19 12:08:58 · 1 answers · asked by toby 2 in Mathematics

I wanna know the Michelson-Morley experiment, what is, how was it made, and its relevance, thank u.

2007-09-19 12:08:40 · 5 answers · asked by dabino 4 in Physics

what formula is used to solve this problem?

2007-09-19 12:07:33 · 1 answers · asked by Anonymous in Physics

The question on my homework it to write a paragraph of what makes a 30-60-90 & 45-45-90 Triangle true. Please help Due TOMORRO!!

2007-09-19 12:07:09 · 9 answers · asked by Mike T 2 in Mathematics