Mathematics - 31 July 2007

2007-07-31 08:18:10 · 12 answers · asked by Miguel B 1

at harry's discount hardware everything is sold for 20% less than the price marked. If harry buys tool kits for $80, what price should he mark them if he wants to make a 20% profit on his cost?

2007-07-31 08:15:58 · 4 answers · asked by sharizzle 1

i know this is a dumb question but my brother haz to do this dumb summer book, so what is 353,535 divided by 13 divided by 21 divided by 37?? isn't that dumb! he has to do 10 problems like that! and he's only going into 6th grade!!!!!!
when school starts i'm burning that stupid gay book!!!!!!!!!!
thankzz if u answer!

2007-07-31 08:11:19 · 9 answers · asked by [ blondi ♥ ] 2

Write the equation of a circle with endpoints of the diameter at (2, -5) and (-4, 3).
Show your work for credit.

Thanks, I looked into the lesson, and i cant figure this out, every time i follow the formula, I seem to get it wrong, Please help with this one. I would really appreciate it!

Thanks To All!

2007-07-31 08:07:38 · 2 answers · asked by Triock91 1

1. x - y + x -y =
2. - x + 3x + 2x =
3. 5y - y =
4. x + x + 3x - 5x =
5. x2 + y2 - x + 2x + 3x2 - 4y2=
6. x - 2y - x + y =
7. x - 3x + y - y =

2007-07-31 08:05:30 · 6 answers · asked by Anonymous

need asap

2007-07-31 07:58:33 · 6 answers · asked by Anonymous

need answer asap

2007-07-31 07:56:39 · 5 answers · asked by Anonymous

Find the exact value of the Integral of X^3*e^(-2x)dx from 2 to infinity. NO DECIMAL ANSWERS

Help me get started.

2007-07-31 07:42:16 · 4 answers · asked by Anonymous

Perform the indicated operation. Simplify if possible.

(-6x - 5 ) / (x ) + (-8x - 6) / 9x

2007-07-31 07:31:48 · 5 answers · asked by Anonymous

show me the working

2007-07-31 07:27:56 · 2 answers · asked by Anonymous

What is the shortest distance from (0 ,0) to the line 5x + 12y - 39 = 0. I am so lost.

2007-07-31 07:16:30 · 4 answers · asked by Anonymous

just solve this prob of progression

2007-07-31 07:02:08 · 7 answers · asked by ash r 1

2007-07-31 07:01:31 · 0 answers · asked by aism2001 1

cosx+sinx=1

2007-07-31 06:48:27 · 6 answers · asked by Anonymous

Basically I'm asking how do I solve for y on this equation so that I can graph it.
(x^2/16)-(y^2/9)=1
Thank you!

2007-07-31 06:27:46 · 5 answers · asked by Anonymous

If you could please explain how you got your answer, I would appreciate it. :)

2007-07-31 06:26:09 · 9 answers · asked by Anonymous

-2x^2-16x-21=0

#28

2007-07-31 06:17:06 · 3 answers · asked by Kristin R 2

After a 20% price slash, a car sold for $31,200. What was the car's price before the price slash ?

2007-07-31 06:12:17 · 12 answers · asked by Brooke S 1

Integrate x^3*e^(-2x) dx

2007-07-31 05:42:59 · 3 answers · asked by Anonymous

Should I do thiis by parts? or how do I go about this

2007-07-31 05:41:29 · 3 answers · asked by Anonymous

my calc broke

2007-07-31 05:27:43 · 3 answers · asked by Anonymous

1. simplify the expression:
(2/x-6)+4x

2. simplify the expression:
(c/b)-(c/abc)

3. simplify:
(23/3xy)-(1/3xy^5)

thank you!

2007-07-31 05:15:07 · 6 answers · asked by Anonymous

they are identities

2007-07-31 05:07:43 · 6 answers · asked by Anonymous

let k(x) = x^2 and n(x) = (2x^2)/(x+1)

find k(n(x))

2007-07-31 05:00:50 · 3 answers · asked by Anonymous

The radius of a sphere is tripled, by what number is its volume multiplied?

2007-07-31 04:57:27 · 3 answers · asked by Jackie 1

and tell me how to type a "power" for best answer

2007-07-31 04:55:10 · 9 answers · asked by Anonymous

2 + x^-1
------------
2 - x^-1

Simplify

2007-07-31 04:45:12 · 2 answers · asked by Anonymous

a) dy/dx+4y=e^-x ,y(0)=4/3

2007-07-31 04:44:30 · 5 answers · asked by Anonymous

2x^2 + 9x - 5 = 0
3g^2 - 16g + 5 = 0
20a^2 + 13a + 2 = 0

2007-07-31 04:27:05 · 6 answers · asked by Anonymous

Find the lowest common denominator for the group of denominators.

x^2 - x - 2 and x^2 - 3x +2

2007-07-31 04:26:24 · 1 answers · asked by Anonymous