Science & Mathematics - 31 October 2007

I have 15 questions that need to b answered for a project

2007-10-31 04:50:13 · 4 answers · asked by Diamond Minnea 1 in Engineering

2007-10-31 04:49:41 · 1 answers · asked by Sanflo 1 in Engineering

2007-10-31 04:49:08 · 1 answers · asked by Sanflo 1 in Engineering

I really enjoy watching his shows but playing with peoples
emotions when it comes to the dead is wrong.

2007-10-31 04:48:17 · 9 answers · asked by crystal c 2 in Paranormal Phenomena

a. They were enslaved by the Union army thinking that they would gain their freedom.

b. They had to face the biases that whites had about their abilities and what they were capable of doing.

c. White soldiers felt that African American soldiers had better benefits then they did.

2007-10-31 04:47:10 · 2 answers · asked by Anonymous in Mathematics

2007-10-31 04:46:55 · 2 answers · asked by Sanflo 1 in Mathematics

Give an ordered pair of numbers that satisfy the equation

4x+y=7

2007-10-31 04:45:44 · 7 answers · asked by lilcarrollw 2 in Mathematics

Just asking though XD those are just the vitamins I take once daily XD

2007-10-31 04:44:26 · 6 answers · asked by 梅子怪李 2 in Medicine

a) 5f number=?

b)4p number=?

c) 5d number=?

d) n=2 number=?

2007-10-31 04:42:02 · 2 answers · asked by Christina S 1 in Mathematics

Tom invested $11,000, part at 9% and part at 10% simple interest. How much money was invested at each interest rate if the total interest earned from both is $1050?

2007-10-31 04:37:53 · 3 answers · asked by kxl3432 1 in Mathematics

How many F's are in the following sentence?

FINISHED FILES ARE THE RE
SULT OF YEARS OF SCIENTI
FIC STUDY COMBINED WITH
THE EXPERIENCE OF YEARS..



(Look again before you answer!)

2007-10-31 04:36:35 · 9 answers · asked by Me M 1 in Mathematics

Using the MVT(Mean Value Theorem), find the interval that conains c, so that f'(c)=0 for the function f(x)=1/(1+x^2)

2007-10-31 04:36:25 · 4 answers · asked by jULIAN C 2 in Mathematics

2007-10-31 04:34:42 · 6 answers · asked by Anonymous in Physics

I have never seen anything paranormal although I am so interested in the topic. I'd love to see something like a ghost, although I don't want to get into anything evil, that's for sure.

2007-10-31 04:32:53 · 17 answers · asked by Anonymous in Paranormal Phenomena

if z=x+iy satisfies |z-4|+|z+4|=10
then show that (x/5)^2 + (y/3)^2 = 1

2007-10-31 04:31:26 · 3 answers · asked by dposters 1 in Mathematics

Solve each of the following systems of linear inequalities graphically.
3x – y 6

Can you please include all steps to this problem so i know how to do it.

2007-10-31 04:28:44 · 1 answers · asked by kristy_n_tx 1 in Mathematics

does that mean that daylight *wasting* time is beginning?

2007-10-31 04:27:43 · 8 answers · asked by Anonymous in Astronomy & Space

YOu do not have to tell me the answers, just help me i with the steps in getting it. Thank YOu so much! :]

2007-10-31 04:23:03 · 14 answers · asked by Sarah I 2 in Mathematics

Possible digits range from 0 to 9. Explanation/work. Thank you !

2007-10-31 04:22:58 · 4 answers · asked by blueanswers 2 in Mathematics

2007-10-31 04:21:59 · 5 answers · asked by Anonymous in Mathematics

1. Cobalt-60 is radioactive isotope use to treat cancers of the brain and other tissues. A gamma ray emitted by an atom of this isotope has an energy of 1.33 MeV ( million-electron volts 1eV= 1.602 X 10^-19. What is the frequency in (Hz) and wavelength in (m) of this gamma ray?

2.A microwave emits photons with a wavelenght of 1.55 X 10^-2m. What is the energy of each photon in J?

3.What is the energy of a photon of blue light of wavelength 475nm in J?

2007-10-31 04:21:30 · 1 answers · asked by Christina S 1 in Chemistry

2007-10-31 04:20:28 · 2 answers · asked by Anonymous in Mathematics

You do not have to tell me the answer, but please help the steps in answering it. Thank You. :]

2007-10-31 04:20:11 · 8 answers · asked by Sarah I 2 in Mathematics

2007-10-31 04:19:26 · 6 answers · asked by Joe B 1 in Mathematics

2007-10-31 04:17:37 · 3 answers · asked by Anonymous in Biology

Value of x 2 3 4 5 6 7 8

Prob 1/16 2/16 3/16 4/16 3/16 2/16 1/16

x are outcomes of rolling a pair of four-sided dice.

Events s and t are independent with P(s) 1. 1/25
2. 6/25
3. 1/5
4. 2/5

Event a will occur with probability 0.5 and event b will occur with probability 0.6, P(a and b) = .0. the conditional probability of a, given b is
1. 0.3
2. 0.2
3. 1/6
4. Cannot be determined

Event a occurs with probability 0.3 and event b occurs with probability 0.4. if a and b are independent, we may conclude
1. P(a and b) = .12
2. P(a|b) = 0.3
3. P(b|a) = .4
4. All of the above

2007-10-31 04:17:30 · 3 answers · asked by naughtystudent1985 1 in Mathematics

I understand this is a simple problem in mathematics but still i have some doubt in it.

For example,lets start with a small number 2^2^3 .....this is simple , its in fact 2^8

But if we had, 2^3^4^5 , a quite big number ... then whats the number ?

my doubt here is

should i take the power of 4^5 first ..........(1)

OR

take the power of 3^4 first ? ............(2)


(1) gives ==> :2^3^(1024)

(2) gives ==>2^81^5

which way to go ? whats the order ? and why ?

can you justify ?

2007-10-31 04:17:24 · 3 answers · asked by calculus 1 in Mathematics

what experiments can be done to learn more about these mysteries?

2007-10-31 04:14:54 · 2 answers · asked by duwap 2 in Botany

please show work because i don't get it. i would appreciate any help

2007-10-31 04:14:34 · 5 answers · asked by Anonymous in Mathematics

2007-10-31 04:14:13 · 3 answers · asked by Anonymous in Chemistry