Science & Mathematics - 26 January 2007

Not a normal smoker just need help sleeping i drink a good amount of water thanks

2007-01-26 05:27:22 · 10 answers · asked by trey64op 2 in Medicine

What is the point of squaring numbers? I just having a problem gasping it.

Example of what I'm talking about is like 5^5 is 25.

2007-01-26 05:26:48 · 13 answers · asked by AlienJack J 3 in Mathematics

convert the percent to a decimal or a fraction in lowest terms.
Express 8% as a proper fraction in lowest terms.

A. Option 1: 2/25
B. Option 2: 4/25
C. Option 3: 2/5
D. Option 4: 4/5

Express 8% as a decimal.

A.

0.0008

B.

0.008

C.

0.08

D.

0.8


Mario's salary increased from $75 per week to $93 per week. What was the percent of increase?

A.

1.9%

B.

2.4%

C.

19%

D.

24%


Mary Karp bought a car for $8200. By the end of the year, the value of the car had decreased by $2706. By what percent had the car decreased in value?

A.

3.3%

B.

30%

C.

33%

D.

43%

2007-01-26 05:25:39 · 10 answers · asked by Anonymous in Mathematics

info on it please

2007-01-26 05:25:09 · 6 answers · asked by Morgan S 1 in Zoology

2007-01-26 05:24:47 · 8 answers · asked by Anonymous in Astronomy & Space

2007-01-26 05:23:25 · 9 answers · asked by damilola o 1 in Physics

I'm not talking about having plants in your house. I got plenty of those. I'm talking about chemistry.

2007-01-26 05:23:19 · 4 answers · asked by Anonymous in Chemistry

4. [1pt]


2H2(g) + O2(g) --> 2H2O(g) ΔH = −486.6kJ



Which of the following are true statements for the above chemical reaction ?



a) A phase change is involved


b) Two moles of hydrogen gas react with two moles of oxygen gas to
produce two moles of water vapor


c) Energy is given off to the surroundings


d) If the reaction takes place at constant pressure, q = −483.6 kJ


e) ΔH for reacting one mole of hydrogen gas with a half mole of
of oxygen gas is −241.8 kJ





You must enter the letters you choose in one lower case group, with no spaces between.
Eg. if you choose a) d) and e) you would enter ade

2007-01-26 05:21:46 · 5 answers · asked by sunyrob 1 in Chemistry

I read a book about some years ago where the us navy tried to make a warship invisible.This was meant to have taken place in a Philadelphia naval base, and I think it was based on Einstein's Unified Field Theory?
Doeas anybody know if this experiment took place?

2007-01-26 05:20:53 · 9 answers · asked by spamalot 1 in Physics

2007-01-26 05:20:39 · 7 answers · asked by goring 6 in Astronomy & Space

how many users in us of coumadin

2007-01-26 05:19:58 · 2 answers · asked by ronaldprevin@sbcglobal.net 1 in Medicine

plz give stable proof 2 ur answer.

2007-01-26 05:19:05 · 1 answers · asked by ganesh s 1 in Zoology

i am doing my 12th grade...and am really confused about what i shud take up after my 12th...please help..

2007-01-26 05:18:29 · 6 answers · asked by digitalheart 1 in Engineering

2007-01-26 05:17:46 · 4 answers · asked by abenezer m 1 in Earth Sciences & Geology

8.Natural Disasters that have occurred or could occur in the Carlsbad Caverns Caves.

2007-01-26 05:17:38 · 2 answers · asked by Anonymous in Earth Sciences & Geology

2007-01-26 05:16:31 · 10 answers · asked by Anonymous in Medicine

2007-01-26 05:16:22 · 1 answers · asked by thasneem_7474 1 in Zoology

Can an object's velocity changwe direction when its acceleration is constand. support your answer with an example.
A) No this is not possible ebcause its always speeding up.
B) No this is not possible becayse its always speeding or always slowing but it can never turn around
C) yes, thi sis possible and the car that starts from rest speeds up, slows to a stop and then backs up is an example
D) Yes, this is possiblr a rock thrown straight up is an example.

2007-01-26 05:15:55 · 3 answers · asked by Julie Kim 1 in Physics

2007-01-26 05:15:49 · 3 answers · asked by Olivia 4 in Mathematics

I'm just trying to get a better (more intuitive) comprehension of logarithms. I read a proof, but did not follow.

2007-01-26 05:13:46 · 4 answers · asked by RogerDodger 1 in Mathematics

5.What is the weather like in the Carlsbad Caverns Caves.(rainfall and temp.)

2007-01-26 05:13:07 · 3 answers · asked by Anonymous in Weather

~Associative
~Distributive
~Multiplication of inverse identity reciprocals
~Commutative
~or none of the above

2007-01-26 05:12:23 · 7 answers · asked by Olivia 4 in Mathematics

2007-01-26 05:12:11 · 5 answers · asked by goring 6 in Astronomy & Space

2007-01-26 05:11:20 · 11 answers · asked by quaninter 2 in Astronomy & Space

2007-01-26 05:10:26 · 6 answers · asked by allanazeez 1 in Biology

2007-01-26 05:09:45 · 5 answers · asked by quaninter 2 in Astronomy & Space

2007-01-26 05:09:41 · 3 answers · asked by rav 2 in Physics

what happens when ur on boeard on the space craft

2007-01-26 05:09:34 · 23 answers · asked by hockey fan 3 in Astronomy & Space

2007-01-26 05:08:56 · 4 answers · asked by quaninter 2 in Astronomy & Space

2007-01-26 05:07:16 · 3 answers · asked by goring 6 in Astronomy & Space