Science & Mathematics - 11 October 2007

lim ΔTC/Δq and TC= 2q^2 + 5q + 5
how calculate lim 2q^2 + 5q + 5/ Δq
Δq→0 ?

thanx

2007-10-11 03:30:10 · 3 answers · asked by aurelijad 1 in Mathematics

2007-10-11 03:27:55 · 2 answers · asked by farnoush m 1 in Chemistry

I've used absolute error for determining the accuracy of temperatures, but with precipitation, which is measured in probablity, I need a different equation. Help?

2007-10-11 03:24:46 · 1 answers · asked by Anonymous in Mathematics

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2007-10-11 03:22:32 · 10 answers · asked by Kimberlee Ann 5 in Parapsychology

2007-10-11 03:14:32 · 5 answers · asked by referencearea 2 in Mathematics

2x > -6 and x - 4 < 3

x + 3 > 2x + 1 and -4x < -8

-6 < x + 3 < 6

-3x > -6 or x - 5 < 2

x - 2 > 2x + 1 or 10 > -2x + 2

2007-10-11 03:12:28 · 3 answers · asked by Zack A 1 in Mathematics

2007-10-11 03:07:24 · 9 answers · asked by Anonymous in Zoology

if trangle abc is similar to triangle def , ab=3cm , bc=5cm ,
ca=7cm , and the permeter of triangle def is 24 cm , how would you find the lengths of the sides of triangle def

i think that the first triangle has a permeter of 15 cm and you ue this with proportions of the second triangle to find the permeter of triangle def ... but i am having trouble doing the work to find this could someone please show me the work to solve this....

2007-10-11 03:05:41 · 7 answers · asked by Anonymous in Mathematics

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2007-10-11 02:53:35 · 2 answers · asked by Anonymous in Mathematics

its used in ipods.

2007-10-11 02:53:19 · 1 answers · asked by Anonymous in Engineering

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2007-10-11 02:53:04 · 5 answers · asked by Anonymous in Biology

2007-10-11 02:46:57 · 6 answers · asked by titam 1 in Physics

2007-10-11 02:44:42 · 8 answers · asked by Leonard W 1 in Mathematics

2007-10-11 02:44:20 · 2 answers · asked by Anonymous in Chemistry

i know that they're both insoluble in water...but that's all.

2007-10-11 02:43:35 · 1 answers · asked by Anonymous in Chemistry

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2007-10-11 02:41:37 · 2 answers · asked by narcoleptic alky 1 in Physics

2007-10-11 02:40:38 · 1 answers · asked by alanis118 1 in Chemistry

2007-10-11 02:40:34 · 2 answers · asked by dx310 1 in Engineering

please answer. links would be appreciated as well as throrough explanations

2007-10-11 02:35:31 · 4 answers · asked by Caitlyn 1 in Earth Sciences & Geology

2007-10-11 02:33:21 · 10 answers · asked by Autumn 1 in Astronomy & Space

The one discovered and mentioned in the New York Times, on June 19, 1982. If you have seen it, where sould I look to locate it in the night time sky.

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find the area of the triangle with coordinates (0,8) (4,4) (0,-2) i hope u elaborate on how i totally forgot how to do it and thanks to all

2007-10-11 02:24:00 · 7 answers · asked by raatorn 1 in Mathematics

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2007-10-11 02:21:11 · 24 answers · asked by Anonymous in Weather

I would like to buy this telescope, can some one with good astronomical background give me some comments on this telescope?

I would like to see Planets, Stars, Galaxies, Nebulae and etc.

The Telescope I want to buy is "SkyWatcher Dobsonian - SW680 " The website is as bellow.

(http://www.telescope.com.au/Default.aspx?tabid=536&ProductID=2047&cid=2691)

Please provide with some comments on this telescope and the advantage and disadvantages of this telescope,

How can this telescope be mount onto a equatorial tripod?

Will this Telescope provide clear image of Galaxies, Nebula and Planets?

Thank You for your Reply.

2007-10-11 02:17:32 · 7 answers · asked by Smart M 2 in Astronomy & Space

i am now 32wks and i went to the doctor for a vaginal infection and he gave them to me.

2007-10-11 02:15:59 · 5 answers · asked by Anonymous in Medicine

If a baseball pitch was thrown horizontally and the ball falls .809m by the time it reaches home plate 18.3 m away how fast was the pitch? the time of flight? Calculate the initial horizontal velocity.

2007-10-11 02:12:36 · 1 answers · asked by Thomas L 1 in Physics