Mathematics - 9 September 2007

1) (2x+4)^2=49


2) 2x^2-15x-7=0


thanks!

2007-09-09 12:04:58 · 4 answers · asked by boser89 1

What is the basic difference between a mathematician and a physicist considering they both deal with numbers?

2007-09-09 12:04:30 · 1 answers · asked by Anonymous

if im given 3-2i radical5 and need to find the other root and the quadratic equation for it what do i do??

know i know that the other root must be 3 +2i radical5 because complex roots come in conjugate pairs , but hoow do i find thequadratic equation???

2007-09-09 12:02:58 · 4 answers · asked by Allie B. 2

Please answer these two questions I am having trouble solving them in my geometry class their the only problems I don't understand.

Find the distance between the two points

(0,0) (5,2)
(3,0) (8,10)

Thanks

2007-09-09 11:57:26 · 11 answers · asked by Eric J 2

2007-09-09 11:55:22 · 8 answers · asked by ARSADIA W 1

it's -2.356 divided by -0.02.
i got 117.8.
my friend tells me it's 117.5
but i still get the same answer.
help. this will help if u post it till monday. 7:20am
thanks.

2007-09-09 11:50:21 · 25 answers · asked by Anonymous

What is the least positive integer meeting each of the following conditions?
Dividing by 7 gives a remainder of 4
Dividing by 8 gives a remainder of 5
Dividing by 9 gives a remainder of 6.

If possible, don't tell me the answer rather tell me how to figure it out!

2007-09-09 11:49:30 · 5 answers · asked by Anonymous

HOW (not what is) would I find the intercepting point of:

x^2+y=6
and
x+y=4

2007-09-09 11:47:47 · 1 answers · asked by Nana 3

7. The ratio of the measures of two supplementary angles is 3:7. What are the
measures of the two angles?
8. The larger of two supplementary angles exceeds 7 times the smaller by 4. Find
the measure of the larger angle.

2007-09-09 11:40:56 · 1 answers · asked by Anonymous

Each side of a square is lengthened by 3 inches. The area of this new, larger square is 64 square inches. Find the length of a side of the original square. (please show work)

2007-09-09 11:34:02 · 9 answers · asked by Anonymous

convert each into decimal form.
3.6 x 10^-2
736.9 x 10^5
0.0059 x 10^5
0.00059 x 10^-1

thanks

2007-09-09 11:33:28 · 9 answers · asked by Anonymous

I'd do Geometry.

2007-09-09 11:31:05 · 5 answers · asked by Sonic Youth 1

There are 20 birds sitting on a tree. A hunter comes along and sees all the birds. Then the hunter takes out his shot gun and is able to shoot 5 of the birds sitting on the tree. How many Birds are left?

2007-09-09 11:27:12 · 3 answers · asked by Kamesh M 3

sec^2xe^(tanx) dx

2007-09-09 11:21:09 · 1 answers · asked by Vince 1

Solve the system of equations by graphing , then classify the system as consistent or inconsistent and as dependent or independent.

9x - 9y = -54

9y - 9x = 54

2007-09-09 11:18:56 · 1 answers · asked by Anonymous

2007-09-09 11:14:33 · 8 answers · asked by liljoebro1234 1

bunch of numbers, what is the formula for finding the average?

2007-09-09 11:12:00 · 8 answers · asked by Anonymous

d = 4 e. what is e?

2007-09-09 11:01:13 · 5 answers · asked by Anonymous

using only addition and subtraction signs, and the given order, make this equation true:

1( )2( )3( )4( )5( )6( )7( )8( )9( )0=10

2007-09-09 11:00:41 · 1 answers · asked by cook c 3

Write each power as a product of the same factor. Then find the value.

3 to the eight power

Please show work so I can see what you did exactlly.

THANKS!

2007-09-09 10:55:56 · 5 answers · asked by Anonymous

A.) volume=length+ width + height
B.)volume=length times width + height
C.)volume=length times area
D.)volume=length times width times height

2007-09-09 10:53:55 · 4 answers · asked by Anonymous

The product of 35% and some number?

What is the translation?

2007-09-09 10:46:53 · 2 answers · asked by Anonymous

when the radius of an atom is on the order of 10^(-10) m?please show me step by step...

2007-09-09 10:45:30 · 2 answers · asked by Anonymous

Okay, The math problem involves factorials

457!
____

454 !

2007-09-09 10:38:31 · 4 answers · asked by J.E Lane 2

i have to show that g(f(x)) = x and (f(g(x)) = x.

f(x) = 2 / (1-x)
g(x) = (x-2) / x

i tried doing it but its not working out. can someone please show me how to do it step by step?

2007-09-09 10:36:44 · 2 answers · asked by Anonymous

can u please show the steps u used for it

2007-09-09 10:33:52 · 5 answers · asked by Mr. November 2

2007-09-09 10:26:47 · 4 answers · asked by tlcangel289 1

Express the number in the form of a/b, where a and b are integers: (-3/2)^2 - 2^-2

2007-09-09 10:26:46 · 2 answers · asked by Anonymous

Math question

2007-09-09 10:22:21 · 6 answers · asked by Mr. November 2

5/2x + 1/4x = 11/4 + x

2007-09-09 10:21:09 · 4 answers · asked by Jack M 1