Science & Mathematics - 14 January 2007

2007-01-14 14:54:02 · 37 answers · asked by smudgeuk9 3 in Geography

2007-01-14 14:53:56 · 2 answers · asked by Anonymous in Chemistry

2007-01-14 14:53:12 · 1 answers · asked by babydd39 1 in Physics

(3e^x-11)/(13e^x+11)

2007-01-14 14:52:23 · 5 answers · asked by Jeffrey 2 in Mathematics

2007-01-14 14:52:06 · 1 answers · asked by m.a h 1 in Other - Science

2007-01-14 14:51:57 · 6 answers · asked by Anonymous in Chemistry

the diameter of a circle joins the points C(-9,8) and D(2,6). What are the cooridantes of the center of the circle?

PLEASE explain how you get this!!!! thanks!!!

2007-01-14 14:51:34 · 7 answers · asked by Orange? 4 in Mathematics

2007-01-14 14:51:16 · 1 answers · asked by bballgirljv 1 in Chemistry

2 HCOONa + H2SO4 ---> 2 CO + 2 H2O + Na2SO4

A 0.964 gram sample of a mixture of sodium formate and sodium chloride is analyzed by adding sulfuric acid. The equation for the reaction for sodium formate with sulfuric acid is shown above. The carbon monoxide formed measures 242 milliliters when collected over water at 752 torr and 22.0 °C. Calculate the percentage of sodium formate in the original mixture.

2007-01-14 14:50:02 · 1 answers · asked by mitu 2 in Chemistry

Or if the water was just a little above freezing?

2007-01-14 14:49:57 · 8 answers · asked by Jordan S 1 in Weather

Beside for beauty and fashion, what's the purpose of hair in humans?
I realized that bald men can also live a lifetime even without a hair.
Is hair on top of the head also a vestige (a part of the body without any function) or like a dimple (it makes you "cute" but it has no sense other than that)?

2007-01-14 14:48:08 · 10 answers · asked by JeDCee 1 in Biology

2007-01-14 14:47:33 · 5 answers · asked by Anonymous in Physics

The function: f(x) = 4x^2 - 8x + 3
The derivative: f(x) = 8x - 8

But how did they get from the function to the derivative?

2007-01-14 14:45:29 · 8 answers · asked by Anonymous in Mathematics

Beside for beauty and fashion, what's the purpose of hair in humans?
I realized that bald men can also live a lifetime even without a hair.
Is hair on top of the head is also a vestige (a part of the body without any function) or like a dimple (it makes you "cute" but it has no sense other than that)?

2007-01-14 14:45:26 · 10 answers · asked by JeDCee 1 in Biology

2007-01-14 14:45:01 · 1 answers · asked by bballgirljv 1 in Chemistry

Estimate the result in the following division problem. (Remember to round divisors to the nearest ten and dividends to the nearest hundred.)

2007-01-14 14:44:49 · 5 answers · asked by theresameyer_m 1 in Mathematics

How is this possible and besides cost why could one not create some sort of combustion system using this method?

2007-01-14 14:44:25 · 3 answers · asked by PrettyEskimo 4 in Chemistry

why do i still grow hair on my nuts?

I don't need it, why's it there?

2007-01-14 14:43:03 · 15 answers · asked by Anonymous in Biology

I'm trying to learn this but i can't because i don't get it.

A map has a scale of 1 cm:20 km. Two cities are 2.5 cm away from each other on the map. To the nearest 10th of a kilometer, what is the actual distance corresponding to the map distance?

thanks very much

2007-01-14 14:41:52 · 6 answers · asked by rocknroll 1 in Mathematics

2007-01-14 14:40:22 · 6 answers · asked by reesespieces60202 2 in Mathematics

Is anyone else experiencing really warm weather where they live? I live in VA and it hasn't snowed yet, which is really strange for January. Is it global warming?

2007-01-14 14:39:57 · 8 answers · asked by Becca 2 in Weather

m(1,-5) is the midpoint of RS(with a line over the RS). If S has coordinates (5,1), find the coordinates of R.

please explain how to do this!!!!

2007-01-14 14:39:38 · 5 answers · asked by Orange? 4 in Mathematics

I mean, what the hell?

2007-01-14 14:39:17 · 10 answers · asked by Kark Master 1 in Zoology

How do I find all answers for theta between 0 to 360 degrees?

2007-01-14 14:38:53 · 6 answers · asked by dashootaboy 2 in Mathematics

2007-01-14 14:38:27 · 4 answers · asked by babydd39 1 in Physics

ln(x^4sqrt(y^9/z^16) what is the inverse of this? please help

2007-01-14 14:37:57 · 2 answers · asked by Jeffrey 2 in Mathematics

2007-01-14 14:37:24 · 3 answers · asked by Gideon 1 in Earth Sciences & Geology

-The base has to be edible (please note that I have to taste it first, so nothing like alcohol, asprin, etc.)
-Watery, or can be diluted
-I already have baking soda and tap water
-Lastly, PLEASE nothing like: Calcium Hydroxide, Magesium Hydroxide, etc.

Thanks!

2007-01-14 14:34:41 · 3 answers · asked by shiningsaphy 1 in Chemistry

If you strap a piece of toast onto a cat's back butter side up and then gently chuck it out of the window, will puddy land on its feet?

2007-01-14 14:34:01 · 12 answers · asked by Gizzmo 1 in Zoology

Is halogenated hydrocarbons the same thing as halocarbons?
And what is the nomenclature of halocarbons. Like how do you go about naming them. In detail please ><

2007-01-14 14:33:24 · 3 answers · asked by jayjay 1 in Chemistry