Mathematics - 17 September 2007

How much more crust do you get with a medium pizza with a diameter of 12 inches than a small pizza with a diameter of 10 inches?

2007-09-17 10:09:19 · 12 answers · asked by Anonymous

x2-2x-80? Please help! lol

2007-09-17 10:05:47 · 10 answers · asked by Anonymous

A car can go from 0 to 60 in 3 seconds, how long would it take for the car to go from 0 to 3 mi/h?




Thanks for your help it is VERY much appreciated:)

2007-09-17 10:03:54 · 3 answers · asked by Natlsn12009 1

help me out please .

2007-09-17 09:59:19 · 4 answers · asked by she_crazy123 1

alright it says:

Tell whether the system has no solution or infinitely many solutions.

1) y=-2x+1 and y=-2x-3

2) x+2y=10 and 2x+4y=10

3) y=3x+4 and -12x+4y=16

4) y=2x+6 and 4x-2y=8

2007-09-17 09:55:29 · 3 answers · asked by Anonymous

2007-09-17 09:44:47 · 7 answers · asked by Lady j 1

2007-09-17 09:38:54 · 6 answers · asked by peaches6 7

5x - 2y = -5
y - 5x = 3

2007-09-17 09:33:14 · 8 answers · asked by Jerry Z 1

A room that is 5.0 metres by 2.5 by 2.5 contains 65 kilograms of air, find the volume denstiy.


how do you do this?

2007-09-17 09:28:20 · 3 answers · asked by Anonymous

and can you tell me how to solve it in a easy way

2007-09-17 09:19:28 · 6 answers · asked by Slim24/7 5

I have a friend that is Atheist but I asked her if she would mind me talking to her about my beliefs [Christianity]. She said that she didn't mind but was still a little hesitant because she thinks that I will stop being her friend if she doesn't accept. I assured her that I was not judging her and that I would not desert her if she didn't accept what I had to say although I really wish she would. I'm not trying to shove my beliefs to her and she knows that but I can tell that she's curious about Christianity and what I have to say. I know of many Bible Scriptures that will help me but I just want to see if you may have any that may also help me.

2007-09-17 09:17:56 · 3 answers · asked by Anonymous

Find the maximum and minimum values of the function f(xyz)=yz+xy subject to the constraints y2+z2=49 and xy=9 . Maximum value is: ?
Minimum value is :?

i woudl really preaciate your help!!

2007-09-17 09:15:11 · 3 answers · asked by dusky_josh 2

What are these all about?
I really don't understand....

Can somebody please help me??
thanks

1) 4x - 5 = 2x + 7
2) 5y -1 = y + 9
3) 7z - 3 = 11 + 3z
4) t + 8 = 2 - 3t
5) 3p + 2 = 5 - p
6) 5 + 2q = 12 - 3q
7) 8 + a = 5 - 2a
8) 3b - 10 = 5b - 1
9) 3c - 5 = 6 - c
10) 2 + 5d = 7d + 3
11) 2 - 3e = 8 - 6e
12) 4f +11 = 5 + f

2007-09-17 09:15:09 · 5 answers · asked by °♥Amelia Rose♥° 4

Write in scientific notation. 889,610,000,000

2007-09-17 09:12:08 · 9 answers · asked by Anonymous

I can not think of any logical answer, unfortanatly, and I know the problem is possible to work out. Do I just have to change the variables to any number i'd like to?

2007-09-17 09:07:54 · 2 answers · asked by Anonymous

How would you define infinity to a bright and enquiring 7yr old mind? His understanding so far is- "Infinity is the highest number and it would take forever to get there". What do you say?

2007-09-17 09:06:38 · 11 answers · asked by ? 2

Use the product, quotient, and power rules of logarithms to rewrite the expression as a single logarithm. Assume that all variables represent positive real numbers.
.

1/2 log2 (x^4 )+ 1/4 log2(x^4) - 1/6 log2 x

2007-09-17 09:03:08 · 4 answers · asked by Kathy W 1

sin 5pi = sin pi

True or false?

2007-09-17 08:55:44 · 5 answers · asked by sillyboys_trucksare4girls 2

r(t) = 2 i + 4 t^5 j [0 , 2]

2007-09-17 08:53:21 · 1 answers · asked by beeboppinbippity 1

r(t) = -2t i + (7/t) j , t=1

2007-09-17 08:51:53 · 1 answers · asked by beeboppinbippity 1

33 as a percentage of 48

2007-09-17 08:50:49 · 9 answers · asked by Anonymous

A drawer contains 8 blue, 15 white, and 17 red socks. How many socks must be removed without looking to be sure of getting at least one matching pair?thx!

2007-09-17 08:47:31 · 7 answers · asked by Meow* 2

4x-12y=5
-x+3y=-1

2007-09-17 08:42:15 · 2 answers · asked by Jerry Z 1

i really need help because i dont understand it and neither do my brother nor my mom.

1. the supplement of an angle is 8 degrees less than 3 times the measure of the angle. find the angle measure.

2. 2 angles are complementary. 4 times the measure of the smaller is half the measure of the larger. find both angle measures.

3. 2 angles are complementary. the measure of one angle is one-fourth of the other. what are the angle measures?

4. the complement of an angle is 8 degrees less than 1/3 of the angles supplement. find the angle measure

PLEASE PLEASE HELP ME. these are the only problems i dont get

2007-09-17 08:30:22 · 5 answers · asked by HELLO123 3

Two jets are traveling toward each other an are 3400 km apart. One jet is flying 875 km/h. The other jet is flying at 825 km/h. In how many hours will the jets pass each other?

2007-09-17 08:26:58 · 5 answers · asked by Anonymous

what is -24 divided by 8 - (-5)+ 2

and 14 divided by (-2) - (-4) + 3 (-2)

SHOW YOUR WORK

2007-09-17 08:24:49 · 5 answers · asked by Anonymous

1.) lim (x^3-2x) / (x-2)
x ->2

I know that it is indeterminate and that I have to evaluate algebraically. I just can't figure out what to do with the x^3. I factored it out to x(x^2-2) / (x-2) but I don't know where to go from there. Is that as far as you can take it so it would be DNE?

lim (sq. root 1+x) - (sq. root 1-x) / x
x ->0

I have no problems when there's just one square root, but for some reason when there's two I can't seem to ever get the right answer.

Any help is great. Thanks.

2007-09-17 08:23:59 · 2 answers · asked by braillehand 1

1. Determine whether the following is an expression. Yes or No
9 + w = c

2. find the mean
2,8,10,12,13

3. Divide
y 18/ y10

4.solve the system by substitution
x + y = 12
y = 2x

5. solve the system by addition
5x- 3y =13
4x- 3y =11

6. solve
x -7 = 4

2007-09-17 08:19:56 · 6 answers · asked by Anonymous

If anyone could explain how the following is done, it would be greatly appreciated!

Suppose that gcd(a,b)=1 and suppose further that a divides c and that b divides c. Show that the product ab must divide c.

2007-09-17 08:19:12 · 3 answers · asked by oldtimer 2

some one said something about highist comon factor

2007-09-17 08:10:26 · 11 answers · asked by Anonymous