Mathematics - 20 December 2007

2007-12-20 15:25:46 · 8 answers · asked by Anonymous

2007-12-20 15:25:46 · 13 answers · asked by Michael B 1

For example, if the 6 numbers were 1, 2, 3, 4, 5 and 6, how many different sequences can you make before they eventually repeat each other?

2007-12-20 15:09:17 · 2 answers · asked by Mat C 1

2007-12-20 15:07:22 · 8 answers · asked by nightowl 2

1. a sqrt -3 sqrt 2a^2




2. sqrt 7 multiplied by sqrt 14

2007-12-20 15:07:18 · 4 answers · asked by God Bless America!~ 4

2007-12-20 15:01:19 · 16 answers · asked by acuraboy1978 2

Determine the minimum required sample size if you want to be 90% confident that the sample mean is within 4 units of the population mean given sigma = 7.8. Assume the population is normally distributed

2007-12-20 15:00:21 · 1 answers · asked by john s 1

2007-12-20 14:40:46 · 7 answers · asked by acuraboy1978 2

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

3x+2y=71
y=4+2x

y=3x+8
x=y

x-7y=13
3x-5y=23

2007-12-20 13:59:07 · 8 answers · asked by Anonymous

simplify.

1. 5 sqrt 3 -4 sqrt 7



2. 2 sqrt 12 +4 sqrt 27

10 PTS TO THE ANSWER AND SHOW WORK PLEASE!

2007-12-20 13:10:15 · 4 answers · asked by God Bless America!~ 4

2007-12-20 13:04:16 · 9 answers · asked by Anonymous

2007-12-20 13:04:14 · 4 answers · asked by lildude3216 2

For Algebra 2 and etc. is it absolutely mandatory that you need a graphing calculator? If it is what kind do you have? (If you have one.) I wanted to know this because I bought a TI-84 plus today, and i was wondering if I didn't need one because i already have a TI-34 2nd. Also if it was better to by a TI-84 plus silver addition, TI-85 plus or TI-85 plus silver addition. Thanks!

Have a Merry Christmas and a Happy New Year!

2007-12-20 12:50:47 · 11 answers · asked by Anonymous

geometry

2007-12-20 12:46:11 · 1 answers · asked by Tiá»?u Bảo 2

2007-12-20 12:43:53 · 8 answers · asked by Anonymous

2007-12-20 12:42:08 · 7 answers · asked by Anonymous

2007-12-20 12:34:40 · 8 answers · asked by Anonymous

pictures may be helpful if your explaining to me having to draw it out and see for myself.
or a good worded explanation w/o me having to mentally or physically picture something. this would be way better because i need to do homework explaining this.

2007-12-20 12:04:33 · 3 answers · asked by . 1

(x+a)^n=∑_(k=0)^n [(n¦k) x^k a^(n-k)]

I have NO idea. You guys?

2007-12-20 12:04:32 · 5 answers · asked by lightriderangel 2

This is a real math problem so don't say that the bus has no legs.

There are 7 girls on a bus
Each girl has 7 backpacks
In each backpack, there are 7 big cats
For every big cat there are 7 little cats

Question: How many legs are there on the bus?

2007-12-20 11:59:28 · 5 answers · asked by ? 3

An idealized model of a river flowing around a rock considers a circular rock of radius 1 in the river, which flows across the xy-plane in the positive x-direction. A simple model begins with the potential function .z=x + (x/(x^2+y^2))

a.) Compute the velocity vector field, i.e. . v=grad z

b.) Show that the flow of v is tangent to the circle x^2 + y^2 =1 . This means that no water crosses the circle. The water on the outside must therefore all flow around the circle.

c.) Show that div v=0 . What is the meaning of this in the context of the problem?

2007-12-20 11:57:40 · 1 answers · asked by Andy 2

2007-12-20 11:56:44 · 18 answers · asked by hidawallace 2

ok this is the problem.....

change 11, 12, 0, 0, and 2 into a percent and decimal...
can u please turn all of that to a percent that is all out of 100
and please turn to a decimal too!!

Thank You so much!!!!!!!!!

2007-12-20 11:55:24 · 3 answers · asked by Teresa 3

2007-12-20 11:53:22 · 3 answers · asked by azngirl62506 1

Celsius temperature readings can be converted to fahrenheit readings by using the formula F= 9/5C + 32. What is the Fahrenheit temperatures that corresponds to each of the following Celsius temperatures: -10, 0, 15, 100.

2007-12-20 11:49:36 · 7 answers · asked by msmari1973 1

anyone know?

2007-12-20 11:48:54 · 8 answers · asked by Anonymous

So, for math we're doing the math game 24. For those who don't know, it's a game where you need to use math in order to have 4 numbers reach 24(ex:9x3-2-1). In the standard rules you can only use addition, subtraction, multiplication, and division but if you can find other ways I'll accept those answers as well(ex: (6x4)(1^3)).

So, anyways my teacher asked if we could get all possibilities 1-9 with no repeats, here's the ones I got stuck on:
8 1 6 7
8 2 5 7
9 2 5 6
9 1 4 5
7 3 4 6
9 5 6 7
thanks.

2007-12-20 11:48:09 · 2 answers · asked by me 2

I need help on a problem. It is √3y+10 - 2 = y

If you cant tell the square root covers the 3y+10 and then you subtract two, and its equal to y......i really need help on this one.....

2007-12-20 11:32:06 · 2 answers · asked by Anonymous

The width of a rectangle is 4 m less than one third of the length. If the perimeter of the rectangle is 56 m, find the dimensions of the rectangle.

1 m = 100 cm

2007-12-20 11:19:58 · 10 answers · asked by Anonymous

y"-8y'+16y=0, y(0)=0,y'(0)=1 Ahhh!

2007-12-20 11:19:02 · 3 answers · asked by dtsairman 3