Mathematics - 11 November 2007

2007-11-11 07:23:08 · 3 answers · asked by Nicole D 1

mArc = (Central angle/360) x 2(pi)(r)

2007-11-11 07:22:51 · 3 answers · asked by kevster1020 2

Im having issues with algebra. lol help please?

2007-11-11 07:16:33 · 14 answers · asked by Anonymous

#1) x^2+12x=-36


#2 2x^2+5x-2=0



#3 Now I have to do this one and explain to it to someone as if they don't know what they are doing just in problem #3
9-6r=8r

2007-11-11 07:16:15 · 1 answers · asked by Maggie L 1

2(x + 3) - 4x = 3(2 - x) + 10
Solve for x:

What does x by itself stand for? And -x? Do they mean 1 and -1?

2007-11-11 07:12:34 · 9 answers · asked by Anonymous

"If z = x + yi express z - 2 -6i in the form A + Bj where A and B are real expressions in x and y".
Where i is the imaginary number sqrt(-1).

I can't do that without assuming z - 2 - 6j = 0, can I?

2007-11-11 07:11:04 · 3 answers · asked by Matthew H 2

2007-11-11 07:07:28 · 6 answers · asked by cassidy 1

It's due tommorrow. Thanks.

2007-11-11 07:04:58 · 7 answers · asked by Anonymous

its an algebriac expression that needs to be simplified.

2007-11-11 07:04:16 · 15 answers · asked by Jenny T 1

:D is there like a formula to find your average height???

2007-11-11 07:03:12 · 2 answers · asked by ♥ Hollister Princess ♥ 2

what is the derivative of this?

t/(t^(2) +1)

is it (-t^(2) +1)/ (t^(2) +1)^2?

are we able to simplify that any further?

2007-11-11 07:00:26 · 3 answers · asked by Anonymous

Determine whether the series:

Summation as n = 1 and goes up to infinity of (1 / (n ^ 2 + 5n + 6).

2007-11-11 06:54:56 · 6 answers · asked by Blade 2

Please show your method!

2007-11-11 06:43:21 · 9 answers · asked by Millie E 1

Find the general solution of the following first-order linear differential equation:

2007-11-11 06:41:06 · 2 answers · asked by dimachevelle 2

ALgebra help please!!

2007-11-11 06:32:10 · 10 answers · asked by Anonymous

6. The mean of a normal distribution is 400 pounds. The
standard deviation is 10 pounds.

a. What is the area between 415 pounds and the mean of
400 pounds?
b. What is the area between the mean and 395 pounds?
c. What is the probability of selecting a value at
random and discovering it has a value of less than
395 pounds?

2007-11-11 06:30:54 · 1 answers · asked by Patricia F 1

Find the volume of the wrinkled sphere.

Wrinkled sphere
rho = 1 + 0.2 sin(8 theta) sin(phi)

0 <= theta <= 2 Pi)

0 <= phi <= Pi


I need help with my integration.
S(S(S(?,rho,?,?),phi,0,Pi),theta,0,2*Pi)

2007-11-11 06:25:18 · 1 answers · asked by info2know 3

2007-11-11 06:25:17 · 2 answers · asked by lvthebeach 2

2007-11-11 06:18:31 · 6 answers · asked by Anonymous

solving for x

2007-11-11 05:33:16 · 9 answers · asked by garcia1456@sbcglobal.net 1

2007-11-11 05:32:53 · 8 answers · asked by Gina M 1

For this function there are three important intervals (-infinity, A], [A,B], and [B,infinity) where A and B are the critical numbers.

Find A and B

Also, find where f(x) is increasing and where its decreasing (intervals)

2007-11-11 05:25:05 · 2 answers · asked by diecast 3

.if a glacier moves .5m per day, how far does it move in 100 years?


tell me and show how you did it

2007-11-11 05:17:48 · 7 answers · asked by Ave 3

i am havign a HORRIBLE time with this math class and am just not getting it. I'm trying to understand how to figure this stuff out,. what about longer problems like this one:

-2a + 4 + 3a = 5 - 26

How do you figure this out?

2007-11-11 05:15:32 · 5 answers · asked by Addie 2

6 = (2x/x-1) + P/2????

2007-11-11 05:14:17 · 4 answers · asked by Becks B 1

2007-11-11 05:10:29 · 12 answers · asked by cjopm 1

prove the identity:

2cot2x + tanx = cotx

could you please explain each step..cheers.

2007-11-11 05:07:39 · 2 answers · asked by clueless 1

2/x+1 + 3/x+2 = 2

2007-11-11 05:00:05 · 9 answers · asked by Anonymous

2007-11-11 04:47:42 · 8 answers · asked by candy 3

I know that if you have x to the power of two + x to the power of 3 it would be x to the power of 5. If it was x to the power of 2 x x to the power of 5 would it be 2x to the power of ten?

2007-11-11 04:40:49 · 11 answers · asked by Anonymous