Mathematics - 29 August 2007

(a) y = –9x + 1 (b) y = 9x + 1 (c) y = x + 1

(d) y = –9x + 3

2007-08-29 05:56:16 · 6 answers · asked by Gabriela R 1

A) –23
B) 25
C) –2
D) 4

2007-08-29 05:55:16 · 11 answers · asked by Gabriela R 1

A) –1
B) 1
C) –25
D) 25

2007-08-29 05:54:19 · 7 answers · asked by Gabriela R 1

A) –1
B) 7
C) –13
D) –5

2007-08-29 05:53:09 · 12 answers · asked by Gabriela R 1

x – yz

A) –49.7
B) –52.2
C) –50.8
D) –52.1

2007-08-29 05:51:20 · 4 answers · asked by Gabriela R 1

1. A rectangle is 4 ft by 9 ft. What is the perimeter of a square that has the same area as the rectangle.

2. In the folktale of Tom Thumb, Tom had a pair of 7-league boots. When he ran wearing the boots, his stride was 7 leagues long.( A stride is the distance from where one foot hits the ground to where the same foot hits the ground again. A league is equal to 3 miles.) How many miles could Tom run in 50 strides?

3.A penny is .05512 inches thick. How tall would a stack of 100,000 pennies be?

2007-08-29 05:44:23 · 8 answers · asked by gigigirl1227 1

2007-08-29 05:41:12 · 5 answers · asked by Anonymous

solve: (x^3-1)^2-5(x^3-1)-14=0

i need help pleaseee

2007-08-29 05:37:49 · 7 answers · asked by Anonymous

I just can't get it.
The expression is (y-1)(y^+2y+1)
Thanks, and please eplain in detail.

2007-08-29 05:33:20 · 6 answers · asked by Anonymous

Fast food. If four out of five doctors prefer fast food, then at a convention of 445 doctors, how many prefer fast food?

2007-08-29 05:30:41 · 6 answers · asked by baby166_99 2

Barn painting. Melanie can paint the barn by herself in x days. Her helper Melissa can paint the same barn by herself in 2x days. Write a rational expression for the fraction of the barn that they complete in one day by working together. Evaluate the expression for x = 5.

2007-08-29 05:28:52 · 3 answers · asked by baby166_99 2

a little help.The problem reads:
p=RT/V + (a+bT)/V^2
a and b are constants. Find (dV/dT) holding p constant.
dV/dT is a partial derivative.
It is a physical chemistry problem where we are looking at volume with respect to temperature while holding pressure constant. I attempted to isolate v, however I could not. Explanation would be helpful because I need to understand the process so I can repeat it in the future. Thanks in advance.

2007-08-29 05:28:23 · 3 answers · asked by future dr.t (IM) 5

Factor: 7(3x+2)^2 multiplied by (1-x)^2 + (3x+2)(1-x)^2 (Take out GCF)

Factor x^4 - 4x^3 + x^2 - 4x

2007-08-29 05:25:57 · 2 answers · asked by Anonymous

2007-08-29 05:24:40 · 2 answers · asked by leoncita 2

I'm taking calculus this year and I've already forgotten how to factor from College Algebra! Please help!

2x^2+7x-15

Thanks in advance!

2007-08-29 05:09:32 · 10 answers · asked by Lindsey G 2

If I have all all the angle measurements how do I find the side length measurements. for instance i have a 30 60 90 triangle with the short side is 9 ft long. How can i use trig to find the other two sides. I know SOHCAHTOA but i am not sure how to use it.

2007-08-29 05:01:39 · 6 answers · asked by Anonymous

how to solve cubic equation of the form:
ax^3+bx^2+cx+d=0 ?

is there any fixed formula that can be used to solve ANY cubic equation?

2007-08-29 05:01:32 · 7 answers · asked by sh 1

Is the function f(x)=x+2 identical to the function
g(x)=((x^2)+5x+6)/(x+3)

Why or why not?

And what is the inverse of f(x)=(2x^3)+5

2007-08-29 04:54:28 · 6 answers · asked by Softball_Super_Star17 3

what is 2 to the square root of 5 as a decimal

2007-08-29 04:54:25 · 3 answers · asked by BH 1

2007-08-29 04:52:31 · 4 answers · asked by Anonymous

A pyramid shaped tank completely full of water, 10 feet high off the ground. All surfaces are equalateral triangles. A small, insignificant hole is drilled in the top center, only to equalize pressure.

What is the volume of water?

What is the pressure on the bottom center of the tank (psi)?

What is the pressure on the bottom of the tank, 1 foot toward the center from the middle of the base of any wall?

What is the pressure on the inside wall, 5 feet off the ground?

2007-08-29 04:46:43 · 2 answers · asked by Anonymous

2007-08-29 04:40:57 · 1 answers · asked by leoncita 2

2007-08-29 04:40:41 · 7 answers · asked by leoncita 2

How many legs all together??
remember each cat has 4 legs!

2007-08-29 04:24:56 · 28 answers · asked by DJ.Waania 1

I need help solving this math problem.

2007-08-29 04:20:09 · 11 answers · asked by Connor 1

this is v to the 10th power divided by v to the 2nd power

2007-08-29 04:17:32 · 5 answers · asked by Darban & LaJuana M 1

2007-08-29 04:11:55 · 5 answers · asked by Alix Witvoet123 1

how to do it?

2007-08-29 04:11:43 · 3 answers · asked by archico01 1

2007-08-29 04:06:22 · 4 answers · asked by leoncita 2

how do you resolve this
how can you convert it to standart form?

2007-08-29 03:54:53 · 5 answers · asked by ca481 1