Science & Mathematics - 31 October 2006

2006-10-31 17:43:08 · 2 answers · asked by Josh 1 in Mathematics

It is an enzyme which acts on food like cheese, oil, peanut etc.

2006-10-31 17:42:30 · 10 answers · asked by Naigio 1 in Chemistry

Seems like I seem to be suffering from one and can't focus on my homework. Why is Economics so boring? It is common-sense made extremely complicated. Gaaaaaa!

2006-10-31 17:40:24 · 4 answers · asked by Anonymous in Medicine

2006-10-31 17:40:21 · 10 answers · asked by einstein 1 in Physics

2006-10-31 17:37:07 · 16 answers · asked by M 5 in Engineering

2006-10-31 17:35:49 · 5 answers · asked by Mr Booo 2 in Astronomy & Space

PLEASE SHOW COMPLETE PROOF
Here, Z is integer, N is Natural, and Q is rational numbers.

1. Prove Z x N is countably infinite.
2. Prove Z x Z is Countably infinite.
3. Prove Q is countably infinite using 1 and 2 (or however you can).


One more thing i am an international student from France at University of Arizona. i am an engineering major, so i don't have to take this class, but because of my advisor i am stuck with this class and i don't know anything. I am looking for a tutor but they are too expensive so if someone knows about this subject and can help me out, i'll appreciate it. email me at kenilabcl@yahoo.com if interested. Thank you in advance

2006-10-31 17:35:18 · 3 answers · asked by kenilabcl 1 in Mathematics

I've never had a license since I have seizures. Now believe me it stinks especially when you run out of cigarettes at 2 am but I'd rather get a ride than possibly wipe out an entire family & possibly myself. I was at the doctors the other day & I was talking to another patient who mentioned that he drove. I asked him how he got his license & he said it's very easy all you have to do is tell the doctor you've been seizure free for a year. So I asked the doctor if it was true & he said yes. My question is how can it be so easy to get away with that? Aren't doctors & insurance companies smarter than that?

2006-10-31 17:34:37 · 4 answers · asked by gitsliveon24 5 in Medicine

2006-10-31 17:34:29 · 5 answers · asked by Babak H 1 in Engineering

2006-10-31 17:32:46 · 5 answers · asked by Darren H 1 in Physics

2006-10-31 17:32:37 · 5 answers · asked by rockin4kitty 1 in Zoology

2006-10-31 17:30:04 · 9 answers · asked by Anonymous in Weather

Is there a giant black hole in the center of each galaxy?

2006-10-31 17:29:15 · 6 answers · asked by Deaver 1 in Astronomy & Space

A 80 kg football player is stationary when a 100 kg linebacker hits him moving at 8 m/sec. After the collision, the linebacker is moving in the same direction at 1 m/sec. What is the speed of the first player after the collision? What percent of the energy is lost during the collision? Can you explain your answer?

2006-10-31 17:29:02 · 4 answers · asked by Anonymous in Physics

I want to see men and women walking in streets and roads live all over the world via satelite. Is it possibe ?

2006-10-31 17:24:50 · 1 answers · asked by nuznad 1 in Astronomy & Space

2006-10-31 17:24:45 · 2 answers · asked by sochn9022jkl 1 in Mathematics

An amusement park ride consists of a large vertical cylinder that spins about its axis sufficiently fast that any person inside is held up against the wall when the floor drops away. The coefficient of static friction between person and wall is Mu(s) and the radius of the cylinder is R.

a) show that the maximum period of revolution necessary to keep the person form falling is T = (4pi^2RMu(s) / g)^1/2
b) Obtain a numerical value for T assuming that R = 4.00m and Mu(s) = 0.400. How many revolutions per minute does the cylinder make?

Buh? Help!

2006-10-31 17:19:17 · 1 answers · asked by andrew c 1 in Physics

2006-10-31 17:11:34 · 5 answers · asked by Mr Booo 2 in Astronomy & Space

he is an american

2006-10-31 17:11:31 · 7 answers · asked by flowerheart2u 1 in Engineering

New finger?

Wings?

3 eye?

Other? (what)

2006-10-31 17:10:29 · 11 answers · asked by Anonymous in Biology

I have to figure out how to do this by using the fractional exponents, not by converting the first terms to a cube root. If anyone can help me figure this out, I would appreciate. This is not some attempt at homework help, so please no "Do your own homework" wisecracks. I am reading a book on algebra and it doesn't explain how to do this.

2006-10-31 17:09:37 · 3 answers · asked by FoxBarking 3 in Mathematics

Just not sure if I'm correct. Thanks

1. Find the area bounded by the curves y= I X^2-4 I and y= X^2 -4

My answer: 8/3

2006-10-31 17:05:39 · 3 answers · asked by Anonymous in Mathematics

If a couple has the genetic make up making it a 4% chance that any child they have will inherit a particular disorder,
What are the odds of them having 4 children, two with the disorder.
How do you come to your figure?
My guess is .48%, or approx 5 out of a thousand.

How do you adjust your formula if a boy is 4 times more likely to inherit the condition than a girl 1% chance for a girl) & the only boy has the condition and one of the three girls has the condition.
My guess is on this is .18%, or approx 2 out of a thousand.

2006-10-31 17:03:32 · 2 answers · asked by Smart Kat 7 in Mathematics

i think there is 2 way.chemical and heating.what is the best?

2006-10-31 17:03:11 · 5 answers · asked by reza15reza 1 in Chemistry

How much our eyes can see if considered in pixel, in the frame of 20cm x 20cm

2006-10-31 17:03:06 · 3 answers · asked by Bradley 2 in Biology

Ok, I know this sounds gross, but Im a 19 year old male, and i looked under my wooden bed, and noticed a few t-shirts that have been under there for at least 4 months, I forgot i threw them under there, and I seen a little brownish bug on one of my white t-shirts, the bug was brownish, and it was long. The whole bug was probably no bigger very small crumb - It was very skinny but long! what could it be?

2006-10-31 17:02:56 · 2 answers · asked by Anonymous in Earth Sciences & Geology

2006-10-31 16:59:38 · 5 answers · asked by shelly 2 in Weather

a rotating wheel requires 3.00 s to rotate 37.0 revolution. Its angular velocity at the end of the 3.00-s interval is 98.0 rad/s. What is the constant angular acceleration of the wheel?

this seems like it should be easy but i have no idea how to do this without the initial speed.

i know you guys can help

2006-10-31 16:56:47 · 2 answers · asked by nkarasch 2 in Physics

2006-10-31 16:55:53 · 11 answers · asked by shelly 2 in Mathematics

How do you factor (x to the fifth power) plus (y to the fifth power)?

2006-10-31 16:50:15 · 5 answers · asked by Anonymous in Mathematics