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Science & Mathematics - 3 August 2007

[Selected]: All categories Science & Mathematics

Agriculture · Alternative · Astronomy & Space · Biology · Botany · Chemistry · Earth Sciences & Geology · Engineering · Geography · Mathematics · Medicine · Other - Science · Physics · Weather · Zoology

I will use this for my thesis in chemistry,,,i hope that u can help me
tenks to all...

2007-08-03 12:50:09 · 2 answers · asked by chelzy y 1 in Chemistry

2 x (3-(4/2 x 5 -3) - (-5) + 6 squared=

2007-08-03 12:47:54 · 6 answers · asked by q 2 in Mathematics

they might have found us but we have not found them.

they might have visited us but we have not visited them.

2007-08-03 12:46:08 · 8 answers · asked by Anonymous in Astronomy & Space

2007-08-03 12:43:57 · 7 answers · asked by Anonymous in Astronomy & Space

Do turkeys have to be kept inside when it rains? I've heard that they are so stupid that they look up with open mouths and drown when it rains. Is this true?

2007-08-03 12:42:40 · 7 answers · asked by Anonymous in Zoology

It is for the lab time I missed in my high school chem class.

2007-08-03 12:37:41 · 2 answers · asked by joy72202 3 in Chemistry

2007-08-03 12:34:22 · 10 answers · asked by maidmarian02 1 in Other - Science

100 times bigger? 1,000 bigger? How many cells make up our body? How many atoms?

2007-08-03 12:31:11 · 6 answers · asked by Anonymous in Biology

2007-08-03 12:28:46 · 4 answers · asked by Marie C 2 in Chemistry

Why that shape, was it a pointer to the heavens, a reflector of the sun, aerodynamic ...... or just less bricks, answers please.

2007-08-03 12:27:54 · 7 answers · asked by Anonymous in Engineering

or can eye colour skip two generations...my grandmothers were brown but my parents and 'parents in law' are shades of blue-grey..

2007-08-03 12:27:54 · 27 answers · asked by Mick&Mich 1 in Other - Science

2007-08-03 12:22:23 · 11 answers · asked by steve M 2 in Weather

2007-08-03 12:18:58 · 10 answers · asked by Shadow 2 in Other - Science

If x is a positive integer, which of the following CANNOT be the units digit of 7^x?

A. 1
B. 3
C. 5
D. 7
E. 9

(what is units digit?)

2007-08-03 12:14:39 · 9 answers · asked by purestarzz88 1 in Mathematics

probably yet another easy one, but once again i'm stuck.

take the integral from 1-->5 of
dx/(3x+1)

ok, i know you're supposed to use the substitution rule again and i'm saying u=3x+1. and then plugging it in, changing the upper/lower bounds, but it's not working...again. help?

2007-08-03 12:14:28 · 6 answers · asked by Anonymous in Mathematics

always my luck, i guess.

take the integral from 0-->Pi/4 of sin(2t) dt

i know you're supposed to use the substitution rule and i'm saying u=2t. and plugging it in and then finding new upper/lower bounds, but i'm not getting a right answer. help?

2007-08-03 12:12:41 · 3 answers · asked by Anonymous in Mathematics

2007-08-03 12:11:24 · 11 answers · asked by Coolio 5 in Physics

i know uranium is not renewable but is plutonium renewable

2007-08-03 12:08:41 · 3 answers · asked by donnelly2008 2 in Earth Sciences & Geology

I read that there will be one on August 12th, and I live in Southeast Oklahoma, what would be the best time to veiw this?

2007-08-03 12:03:45 · 7 answers · asked by ✞ Ephesians 2:8 ✞ 7 in Astronomy & Space

we need to do it . some body help us ??????!!!!!!!!!!!!!!

2007-08-03 11:47:09 · 8 answers · asked by Anonymous in Chemistry

2007-08-03 11:44:22 · 3 answers · asked by Anonymous in Astronomy & Space

please explain

2007-08-03 11:44:05 · 6 answers · asked by plplz 1 in Mathematics

help!

2007-08-03 11:42:00 · 10 answers · asked by Anonymous in Geography

1

Find sin 2x if sinx = 1/5 and x is between 0 and 90 degrees

How would you go about solving this? The book says to draw a diagram, but i cant seem to be able to. I got as far as simplifying it to

sin2x = 2 sin1/5 cos1/5

Any help would be appreciated!!

2007-08-03 11:41:24 · 9 answers · asked by A helpful hand =) 2 in Mathematics

The equation is T= (9*h*Log(Rb/Ra) / 8*pi^2*N^2*r^2* (p-po))+ 2*(ta+td)/3 I wish to transpose and solve for N in terms of all the other variables.

2007-08-03 11:40:58 · 3 answers · asked by Downeasta 2 in Mathematics

can regular claritin cause palpitations i know the claritin d cause cause of the decongestant but can the regular claritin do so

2007-08-03 11:40:31 · 2 answers · asked by iamloco724 1 in Medicine

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