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Science & Mathematics - 31 December 2007

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2007-12-31 18:59:57 · 8 answers · asked by nhei 1 in Weather

If A = 1/2h (b+c), what is the value of b???

A= 50
h= 4
c= 11

the answer choices are:

(1) 14
(2) 24
(3) 36
(4) 56

I already know the answer is 14. but when i do the math, i can't seem to get that value! can someone please help me do this problem? i don't want just the answer, i want you to show the work too! please help! thank you so much!!!

2007-12-31 18:56:35 · 7 answers · asked by ivory_plr 4 in Mathematics

Thank you for ur answer......

2007-12-31 18:54:45 · 2 answers · asked by champscience 4 in Mathematics

That is, only rarely does the child of a light-skinned person and a dark-skinned person come out light. And I've heard somewhere that whiteness is actually a recessive gene. If anyone has any information on this or could direct me to some good books or articles, it'd be much appreciated.

2007-12-31 18:54:00 · 3 answers · asked by Anonymous in Biology

2007-12-31 18:51:13 · 3 answers · asked by Anonymous in Mathematics

2007-12-31 18:43:44 · 8 answers · asked by Stephanie W 1 in Mathematics

THAT WOULD BE SO FREAKIN SWEET!

2007-12-31 18:36:22 · 31 answers · asked by Rockstar 1 in Zoology

Is it the same theory on how snow is white?

2007-12-31 18:32:20 · 9 answers · asked by edysalt 3 in Chemistry

2007-12-31 18:31:29 · 7 answers · asked by tony 1 in Chemistry

Which one is an integer?

2.5, 1/2, -1/2 or -2?

2007-12-31 18:28:04 · 15 answers · asked by Anonymous in Mathematics

what is an interger and what are some examples of one? how do i compare them?

2007-12-31 18:26:08 · 11 answers · asked by Anonymous in Mathematics

Expanding on a previously posted question and answers:

http://answers.yahoo.com/question/index?qid=20071231134856AAMQdEo&r=w

It is possible to set up a laboratory device that will vibrate a container which has a mix of sand, pepple, and gravel, with control over the amplitude of the vibration. As the container is vibrated continuously, if the amplitude is large, the mix will tend to become uniform. Yet if the amplitude is made small, the mix will tend to sort out, with the gravel migrating towards the top while the sand filters towards the bottom. By varying the amplitude, even as the vibration is nonstop, the mix can be sorted or blended. How is this explained in terms of entropy which is supposed to be always rising as per 2nd Law of Thermodynamics?

2007-12-31 18:24:21 · 4 answers · asked by Scythian1950 7 in Physics

algebra

2007-12-31 18:23:42 · 6 answers · asked by Tim . 2 in Mathematics

where would you put NEGATIVE "pi" on a numberline numbered -5 through 5?

2007-12-31 18:23:30 · 4 answers · asked by Anonymous in Mathematics

appreciate it if anyone answers

2007-12-31 18:19:54 · 3 answers · asked by tony 1 in Chemistry

2007-12-31 18:17:59 · 9 answers · asked by Torn Wings 6 in Mathematics

determination of sulphur in albumin and egg yolk

2007-12-31 18:16:44 · 2 answers · asked by sakura 1 in Chemistry

I am confused because the bark is the outermost layer of the plant (tree) but the books say it is not epidermis. Can some volunteer explain to me why please???

Please Please help!!! Thank you!!!!

2007-12-31 17:49:52 · 4 answers · asked by Anonymous in Biology

66 is 56% of what numberr

2007-12-31 17:49:01 · 7 answers · asked by K <3 1 in Mathematics

I mean the countries that got snow during winter without considering those that got it because of altitude (the country must have snow somewhere below 500 meters/1650 feet), or there are a lot to mention?

2007-12-31 17:39:25 · 5 answers · asked by Philidor 5 in Earth Sciences & Geology

The certices of a triangle are A(4, -3); B(-6, -3); and C (-1, -8).

2007-12-31 17:28:35 · 4 answers · asked by Tiá»?u Bảo 2 in Mathematics

...and find the slope of the tangent line at the point(s) of intersection.

2007-12-31 17:15:06 · 3 answers · asked by mathstudent 2 in Mathematics

2

whats the equation of the line perpendicular to the line y = 1/2(x) - 3 and passes through the point (1, 5)?

2007-12-31 17:12:31 · 5 answers · asked by Dusk 1 in Mathematics

roughly, what would your answer be?

2007-12-31 17:02:41 · 8 answers · asked by Anonymous in Biology

2007-12-31 16:55:45 · 9 answers · asked by Dr. Pepper 2 in Mathematics

I'm doing year 11 accounting this year. Thats 14-15years old here. Is it hard?

2007-12-31 16:47:58 · 11 answers · asked by Anonymous in Mathematics

2007-12-31 16:39:27 · 5 answers · asked by Big Country 1 in Mathematics

I need info ASAP! 2008 is in 20 minutes and I found some
3-year-old fireworks from Fourth of July in 2005!

2007-12-31 16:39:11 · 4 answers · asked by Anonymous in Other - Science

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