Science & Mathematics - 1 December 2007

2007-12-01 15:21:59 · 31 answers · asked by Anonymous in Astronomy & Space

The Plane Ax+By+Cz=36 contains the vector the planes of
3x+2y-3z=-3
2x+1y+3z=-11
and the point
(0, -6, -1)
How would I go about finding A, B, and C?

2007-12-01 15:14:16 · 2 answers · asked by Paulk 2 in Mathematics

a gas was found to have a density of 1.85g/l at 780 torr and 0degrees C. What is the molar mass of the gas? thanks!

2007-12-01 15:12:01 · 1 answers · asked by Anonymous in Chemistry

Do frogs have noses? I've been wondering for a while.

2007-12-01 15:11:08 · 2 answers · asked by sherriges 1 in Zoology

2007-12-01 15:03:49 · 10 answers · asked by TsF! 1 in Engineering

real answers people?

2007-12-01 15:03:20 · 11 answers · asked by devaughnte h 1 in Biology

2007-12-01 15:01:45 · 10 answers · asked by Lasagna delivery guy 5 in Mathematics

enough water to make 2.50L of solution. I have an answer of 0.609M. Correct or not? thanks

2007-12-01 15:00:02 · 2 answers · asked by Anonymous in Chemistry

Would all universes have the same prime numbers?

Does the sequence appear to be part of a hidden symmetry?

What does the pattern of prime numbers tell us about infinity?

2007-12-01 14:59:42 · 7 answers · asked by Anonymous in Mathematics

My brother is smoking something that smells like strong matches...or sulfer.
DOES ANYONE KNOW WHAT IT IS??
help me please.
I need to know what causes this smell
all I know is that he used a lighter to ignite whatever he was smoking/doing.

2007-12-01 14:53:45 · 3 answers · asked by imacoolllama 1 in Chemistry

My answer would be: If theres enough profit to be made.

What do you think?

2007-12-01 14:48:18 · 7 answers · asked by Anonymous in Medicine

2007-12-01 14:47:30 · 6 answers · asked by Anonymous in Mathematics

pre algebra problem. i supposed use one of the quadratic method to solve the equation. please help thank you

2007-12-01 14:46:06 · 7 answers · asked by lsilva1980 1 in Mathematics

Two 78.0 kg hockey players skating at 6.25 m/s collide and stick together.

If the angle between their initial directions was 130 degrees, what is their speed after the collision?

I'm using momentum=mass times velocity.
also,
How does the 130 degrees come into play?

2007-12-01 14:45:32 · 1 answers · asked by revernance 3 in Physics

Lewis structure for IF2-??

can't figure out what this should be.

I Got F----I----F

First F has 6 Dots, The I has 4 Dots, and the last F has 6 dots
I know Its linear

ALSO...

If you don't mind can you help me with IBr4-???
I Know its Square Planar

2007-12-01 14:45:25 · 1 answers · asked by FANTASY 2 in Physics

Would an employer hire a 28 or 29 year old Entry level engineer who has just graduated ?

2007-12-01 14:44:55 · 12 answers · asked by Anonymous in Engineering

how do i solve this problem?

a sample of gas occupies 2.50 liters at 1.15 atm of pressure. what is its volume in standard atmospheric pressure?

p.s.if we are finding volume then why does it need to be in standard atmospheric PRESSURE?

2007-12-01 14:43:50 · 4 answers · asked by Anonymous in Chemistry

2007-12-01 14:40:43 · 1 answers · asked by Anonymous in Mathematics

My four year old had blood work done, and his results seemed fine.. however, he has a few low things on there. Can anyone tell me if this is dangerous?

WBC- 4.4(low)
RBC 4.55
Polys(high)
Lymphocyte 40(low)
Absolute lymph 1.7 (low)

Does that mean anything?

2007-12-01 14:38:52 · 2 answers · asked by Anonymous in Medicine

I once heard of a relation between the two, frontal lobe damage and telekinesis that is, and I was wondering if there's any scientific research or theories behind it?

Also, has anyone experienced even a remote trace of this?

Thanks!

2007-12-01 14:38:21 · 10 answers · asked by Licorice 4 in Parapsychology

1. 32,500,855.25 / 25.5 = __________
2. 850.25 x166.484 =______________
3. 3,250-3,249x85x145=_____________
4. 38x31-42x100=_____________
5. 48.2% of 125,000,000 =_________________
6. 66% of 898,500,852 =__________________
7. 852 x 45% =____________
8. $125.00 x 125.00 =_____________
9. a= 42 b= 2xa how much is b ? _________
10. c+b-a c = 125 b = 759 a =25.25 = ___________

2007-12-01 14:36:20 · 4 answers · asked by joelinn1974 3 in Mathematics

Let G be a subgroup of some dihedral group. For each x in G, define phi(x) = { (+1 if x is a rotation), (-1 if x is a reflection) }.

How do you prove that phi is a homomorphism from G to the multiplicative group {+1, -1). Also, what is the kernal of phi????

2007-12-01 14:34:56 · 3 answers · asked by Anonymous in Mathematics

Reversing the order of integration

2007-12-01 14:34:01 · 1 answers · asked by Anonymous in Mathematics

The symmetric group Sn consists of the n! permutations of n distinct objects under the binary operation of combining permutations. Each permutation is either even or odd. Prove that in every subgroup of Sn, each element is even or exactly half the elements are even.

2007-12-01 14:31:38 · 2 answers · asked by Hynton C 3 in Mathematics

2007-12-01 14:31:12 · 7 answers · asked by jennifer m 1 in Earth Sciences & Geology

For y = Sin(x), there is no circle with origin (0,0) that can be tangent to the Sin(x) function anywhere locally. For a certain k and greater, a circle with origin (0,0) can be tangent to the Sin(kx) function. What is the minimum value k for which such a circle exists, and what is the diameter of the circle?

2007-12-01 14:26:35 · 2 answers · asked by Scythian1950 7 in Mathematics

I know what the center is, BUT I need to know about who discovered it? or when? or just anything about the discovery?

2007-12-01 14:18:25 · 3 answers · asked by Nicholas 1 in Mathematics

1.018 g of a Freon gas is trapped in a 145 mL container at 760 mmHg and 50.0 ^C

2007-12-01 14:17:04 · 2 answers · asked by Anonymous in Chemistry

2007-12-01 14:11:12 · 0 answers · asked by Anonymous in Physics

i need this for my term paper ...tnx..hope u can help

; D

2007-12-01 14:09:52 · 5 answers · asked by Anonymous in Zoology