09/24/12

math inverse

(2e^x-3)/(7e^x+9)

09/23/12

a fax machine is 446.40 with tax, tax is 8 percentage, what is the cost price

a fax machine is $446.40 with tax. the tax is 8%, how to find the cost price of the fax machine before price?  

09/22/12

how can I find the GCF for a^3b-ab^3

How do I find the Greatest Common Fcator for the list of terms: a^3b-ab^3

09/19/12

How do you know if you cant form a ratio into a proportion?

How do I find out if a ratio cannot bve turned into a proportion?

09/19/12

2 questions I want to verify

which expression is equal to "three less than a number multiplied by six"? I think it's 6x-3 Also 1*(3+7)=(1*3)+(1*7) is distributive.  I just want to verify

09/18/12

traingle has perimeter of 35 inches. The length

story problem - P = A +b+c  P=35 A= length of B times2 C= A + 5 I have the answers but dont know how to work the equation. 35= 12+6+17

09/13/12

How to solve the math problem

Step by step fractions equatins 2 ( x over 4 -1)=8

09/13/12

converting feet into yards

writing an equation solving the problem --- magie has a ribbon 27 feet long what is the lenght of the in yards?

09/11/12

2x+5-7x=15

multistep equation

09/11/12

how to subtract 3/16-1/2 ?

I need ti solve thi sproblem andi dont know if i did it right 3/4*1/4-1/2

09/11/12

What is negative 5 4ths minus positive 2 3rds??

im doing homework and im super confused?!

09/06/12

can u help complete the following sequence

can you help complete the following sequence 7.5, 6.25, 5 i dont  understand i dont get it 

09/06/12

find the limit as it approaches -3 in the equation (6x+9)/x^4+6x^3+9x^2

lim-3=(6x+9)/(x4+6x3+9x2)

Write the slope-intercept equation for the line that passes through (-14, -3) and is perpendicular to -7x – 4y = -4

Write the slope-intercept equation for the line that passes through (-14, -3) and is perpendicular to -7x – 4y = -4 i need to show work

09/05/12

12-7*6+19-14=11

please tell me the method to put the parentheses at the right places  

09/04/12

what is the answer of life?

answer of life

09/04/12

how do i solve these?

1/x = 4/3x + 11/R=1/R1+1/R2 solve for R1a^2x+(a-1)=(a+1)x solve for x   How would I solve these? could you list the steps to solve these? Thanks!

09/03/12

Translating Algebraic Expressions?

Okay so, I'm really confused. I don't know what the question is asking me to do... One of them is says "Fifteen times a number is decreased by fifteen. This result is then increased by two times... more

09/03/12

how do i make a table and graph the function f(x) = 1/2 x squared

need to make a table and graph the function f(x) = 1/2 x squared and describe all of the possible input and output values

09/02/12

how do i evaluate a formula?

How do I evaluate the formula I=Prt if P=$5000, r=5.5% and t=2 years?

08/29/12

equations need help

I need to find out the equation when f is the variable that needs to be solved. c = 0.56(f + -32)

Find real numbers x and y such that (2x+3y) + (3-5x)i = 1 -7i

"i" representing the square root of negative 1

08/28/12

What is (2x+7)/5

Write fraction as a sum or difference

08/28/12

graph, find x and y intercepts and test for symmetry x=y^3

graph, find x and y intercepts and test for symmetry

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