Science & Mathematics - 29 January 2007

Sometimes on hot summer days I find my main room in the house is colder than it is outside why is this?

2007-01-29 02:47:16 · 11 answers · asked by Bea 5 in Weather

Prove proposition:
For all real number x and y, if x is rational and y is irrational, then x+y is irrational

2007-01-29 02:46:03 · 3 answers · asked by Carebear 1 in Mathematics

because this weekend we were up in the mountains and the fog was so thick u could only see like a couple feet in front of u so can u hear in it or no

2007-01-29 02:45:26 · 2 answers · asked by IAN S 3 in Weather

What causes people to see above the water level inside a submarine? Is it scattered light, bent light or both?

2007-01-29 02:45:15 · 3 answers · asked by bjb 1 in Physics

article pls...(T.T).... thanks for helping me out......THANKYOU!

2007-01-29 02:44:43 · 3 answers · asked by Anonymous in Biology

2007-01-29 02:41:23 · 5 answers · asked by Emerson 5 in Chemistry

A gallon of gas isn't even 7 pounds. How is it possible that the CO2 emissions can be almost three times that?

(Source: http://www.epa.gov/otaq/climate/420f05001.htm)

2007-01-29 02:40:45 · 5 answers · asked by presidentrichardnixon 3 in Chemistry

find the parametric equations for the path of a particle that moves along the circle (x-1)^2+(y+2)^2=4..... three times clockwise, starting at (1,-4).

2007-01-29 02:40:20 · 2 answers · asked by Anonymous in Mathematics

2007-01-29 02:40:15 · 3 answers · asked by Joyci 2 in Geography

all we see is up

2007-01-29 02:40:07 · 1 answers · asked by jorje esquib 1 in Earth Sciences & Geology

i always get static in everything i touch. i even get static if i touch someone. i can't even hold, kiss or go nearby anyone because there's always a spark. i can't touch switches coz i get ground. i tried wearing a rubber wrist band, no use. wore a rubber glove, not working. i can't go anywhere and i carry this fear that if i get close someone, i just get static. i'm so irritated. what should i do?

2007-01-29 02:38:45 · 11 answers · asked by question marc??? 1 in Physics

Given f(x)=thesquarerootof(x^2-9) and g(x)=1/(x-4), find the domain and range of the following functions.
a. f(x)
b. f(g(x))
c. f(f(x))

2007-01-29 02:37:27 · 3 answers · asked by Anonymous in Mathematics

6= -3/2x x=?

2007-01-29 02:37:25 · 2 answers · asked by Karen W 1 in Mathematics

Is it to generate heat from the friction of the bones rubbing together or the body trying not to shut down completely. It takes energy to shiver and surely in desperate times that energy is needed to keep warm.

2007-01-29 02:37:17 · 9 answers · asked by Anonymous in Biology

Gain required qualification in becoming an environmental health officer,

2007-01-29 02:37:14 · 5 answers · asked by Angela B 1 in Other - Science

Discuss whether each of the following functions is odd, even, or neither. Use algebraic as well as graphical reasoning

f(x)=cos2x
y=(x)/(x^(2)+1)
y=x^(2/3)

2007-01-29 02:34:07 · 2 answers · asked by Anonymous in Mathematics

Two cars are driving in opposite direction and travel 4 miles each; then, both make a left turn and travel 3 more miles.

2007-01-29 02:31:04 · 7 answers · asked by Anonymous in Mathematics

if the rocket was to hit the ocean,it would of smashed to pieces,it would be worse than hiiting a rock cut at 100 miles per hour

2007-01-29 02:29:00 · 6 answers · asked by jorje esquib 1 in Astronomy & Space

part of the graph of f(x) is showm for x> or equal to 0.

the points on the graph are (0,0), (1,-1), (2,0), and (3.3)

what if f(x) is an even function. What is the range of g(x)=-3f(2x)?
in interval notation.

what if f(x) is an odd function. What is the range of .5f(x-3)?
in interval notation

2007-01-29 02:28:38 · 2 answers · asked by Anonymous in Mathematics

Perimeter of a retangle is 40 ft. The ratio is of the width to the lenght is 2:3. Find the lnegth and the width.

2007-01-29 02:28:22 · 7 answers · asked by Angel 1 in Mathematics

and there way no way for them to? what would they do? Also do any of you know who was stuck on the space station after Columbia blew up and for how long?

2007-01-29 02:27:56 · 7 answers · asked by bad b 2 in Astronomy & Space

2007-01-29 02:24:02 · 10 answers · asked by Anonymous in Mathematics

2007-01-29 02:22:46 · 9 answers · asked by varun 1 in Physics

2007-01-29 02:22:22 · 2 answers · asked by kl 1 in Physics

2007-01-29 02:22:04 · 14 answers · asked by Anonymous in Astronomy & Space

I know that iron reacts with the oxygen in the air but where do i go from that?

2007-01-29 02:20:20 · 3 answers · asked by KvG 2 in Chemistry

2007-01-29 02:19:50 · 4 answers · asked by _ 4 in Astronomy & Space

Or any other motorised device that you can attach to your own telescope?

2007-01-29 02:18:54 · 1 answers · asked by Anonymous in Astronomy & Space

2007-01-29 02:15:54 · 6 answers · asked by Angela G 1 in Mathematics

2007-01-29 02:15:36 · 9 answers · asked by SHREYANSH R 2 in Astronomy & Space