Mathematics - 10 December 2007

Also evaluate 125 to the 1/3 power and 144 to the 1/2 power!

2007-12-10 07:12:57 · 4 answers · asked by Mir Mir 1

Explain Please?

*To the best answer

2007-12-10 07:11:11 · 3 answers · asked by Sarah I 2

I tried to divide both side by x but the answer came out very horrible...I'm not sure which formular to use

2007-12-10 07:10:44 · 7 answers · asked by Anonymous

calculate the value of a,b and c
find the coordinates of the min point A

2007-12-10 07:05:44 · 3 answers · asked by ? 4

Can anyone help me to solve the following integral by parts. I have no idea how to start.

xe^x / (x+1)^2

2007-12-10 07:05:19 · 3 answers · asked by Anonymous

1. Find the dimensions of a rectangle whose perimeter is 46 m and whose area is 126 m (squared).

2. Find the dimensions of a rectangle whose perimeter is 42 m and whose area is 104 m (squared)

2007-12-10 06:57:45 · 6 answers · asked by Teddy bear, brand,milk 1

This is just a question that is very easy and I want 2 see how many people know the answer, like I said it is VERY EASY!!!! express 24/5 as a mixed number!!!! LOL! EASY!!!!

2007-12-10 06:57:28 · 6 answers · asked by Sophia N. 2

Suppose that the function P=12+50ln x represents the percentage of inbound e-mail in the U.S. that is considered spam, where x is the number of years after 2001.

Carry all calculations to six decimals on each intermediate step, when necessary.

a) Use this model to approximate the percentage of spam in the year 2005.

Answer:

b) Use this model to approximate the year that the percent of spam will reach 90% provided that law enforcement regarding spammers does not change?

Answer:

2007-12-10 06:56:09 · 4 answers · asked by ViewSonic 2

real quick and simple if possible, can't get it set up just right.

2007-12-10 06:52:39 · 1 answers · asked by Anonymous

Here is the question:

"What is the solution to the quadratic equation below"

X^2 - 2x - 24 = 0

A. x= -4, x= 6

B. x=4, x= -6

C. x= -8, x= 3

D. x= -4, x= -6

Im only 13 so please do not insult if its too easy, thanks

2007-12-10 06:47:02 · 9 answers · asked by Anonymous

I am having trouble with this problem, can anyone help?
Find the absolute extrema of the function f(x) = x^3 - 6x^2 + 9x - 8 on the interval [1,5]

2007-12-10 06:43:55 · 5 answers · asked by qtpooh83 2

I'm pretty sure the answer is supposed to be pi/3, but I just wanted to confirm this. What is arccos(1/2) equal to in radians?

2007-12-10 06:43:26 · 6 answers · asked by Flauta 2

A box contains 35 red and 5 black discs. a disc is selected at random and its colour is noted. the disc is then replace in the box

in eight selections find the probability that a black disc is selected

exactly once and atleast once

2007-12-10 06:39:49 · 3 answers · asked by NKS 2

Alright, pretty simple, follow this link...http://www.ms.uky.edu/~ma123/exam2.xhtml

and its questions #8, 10, 11, 13. I missed those on the original exam, and our teacher didn't have time to go over them. Whomever answers the most, and gives me a general quick explanation of how they got the answer will get the 10 pts.

2007-12-10 06:31:01 · 1 answers · asked by ? 2

i believe my caculus text is giving me the wrong answer
can anyone help
thank you !

2007-12-10 06:29:15 · 1 answers · asked by tafaghodi_t 1

2007-12-10 06:24:42 · 4 answers · asked by jethi_sonal87 1

How do you find an equation in terms of n that gives the sum of the first n integers squared. (1^2 + 2^2 + 3^2... + n^2)

2007-12-10 06:19:59 · 3 answers · asked by jjjjjjjjjjjjjjjj 1

2007-12-10 06:17:11 · 9 answers · asked by Casanova 1

Here is the question:

"Which pair of equations below represents lines that are parallel?

A. y =1/5x - 5
y = -5x + 2

B. y = 2/3x
y = 2/3x - 4

C. x + y = 4
x + 2y = 8

D. y = 3x - 4
y = 5x + 2

I am taking a test that is worth ALOT of my grade. Thanks

2007-12-10 06:09:38 · 12 answers · asked by Anonymous

2007-12-10 06:04:11 · 10 answers · asked by Munec 1

I am suppose to simplify.

2007-12-10 06:02:04 · 9 answers · asked by Munec 1

hint: first find parametric equations for x and y

2007-12-10 05:38:34 · 1 answers · asked by whizkid2007 1

any help would be awesome

2007-12-10 05:36:59 · 16 answers · asked by booster11373 2

Using the quotient rule I came up with:

f'(x) = [-2x^2 + (x^2+7)^1/2] / (x^2+7)^3/2

It seems to me that either I screwed up or I can't figure out how to simplify this better. I appreciate your time and help.
Thanks,
Jim

2007-12-10 05:27:10 · 7 answers · asked by jimmcdoomas 1

anyone know what the "pooled standard error" is??

2007-12-10 05:22:14 · 2 answers · asked by Amanda 1

I am doing a quiz, it is 10 questions long and I am in need for your help.
I do not understand multiplying fractions but I do get adding and subtracting so here is the question and if you can please explain it to me in the easiest understandable format as possible, it is really much appreciated!

2/15 x 5/8

Also how do you do it with dividing also?

2007-12-10 05:15:45 · 7 answers · asked by - 1

Find the equation that passes through (2, 3) if its slope is given by:

dy/dx= 4x-3

2007-12-10 05:14:37 · 3 answers · asked by Anonymous

Express x^2 + 6x + 4 in the form (x+p)^2 + q where p and q are constants
Can you all the steps of how to do this
Please

2007-12-10 05:06:31 · 4 answers · asked by Anonymous

Solve the following formula for the indicated value.

C = 2r for r.

2007-12-10 04:48:13 · 10 answers · asked by Anonymous

Using the process of exponentiation.

2007-12-10 04:45:54 · 23 answers · asked by Anonymous