01/26/14

3x-4y=-2 -3x+y=-13 solve by substitution
do i add or take away best way to set up thank you
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01/26/14

-6x-8y=-4 x+y=1 solve by subsitition
solve by subsition
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01/26/14

-8x+y=15 2x-2y=-2 solve by substitution
solve by substitution need to know how to set up thank you
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01/26/14

Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -7x^2 + 9x + 9.
{-0.78, 1.00} {-7,9} {-1.29,-1.29} {-0.66,1.95}                                                                                                                                                ... more
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01/26/14

Find the savings plan balance after 15 months with an APR of 11% and monthly payments of $250
Find the savings plan balance after 15 months with an APR of 11% and monthly payments of $250.
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01/26/14

help simpllify and solve
  x^2 - 7x + 12/x+ 4 divide with x^2 - 7x + 12/x^2 + 6x + 8     Thank you
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01/26/14

Express the following in simplest radical form
(4^(1/2)) (x^(1/6)) (y^(2/3)) 
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01/25/14

A rectangular lawn has a width of 3x m The area is 15x^2 + 45x m^2 you want to put the fence around the lawn. a) What is the expression to represent the perim
   I am just new at these questions and having a hard time starting.  I understand the P=2w+2l, however how do i solve when given area 
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01/25/14

Slope = Rise/Run
The Great Pyramid at Giza near Cairo, Egypt stands 137 meters tall.  It's base is a square with each side measuring 230 meters wide.  What is the slope of the Pyramid?   Slope =... more
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01/25/14

0=24-9y+x -10y=-9x-26 solve by elimination
solve each system by elimination
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01/25/14

4x-28=-10y -3x+36=-7y solve system by elimination
solve each system by elimination
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01/25/14

0=-28+24x-20y 6y=10x solve system by elimination
solve system by elimination
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01/25/14

12x+y=22 6x+6y=0 Solve each system by elimination
solve by elimination
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01/25/14

solve x+9/5=3/2-x-3/4
I found the LCD which is 20  
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01/25/14

Solve for x (log)
log x^log x + log x^2 =  8
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01/24/14

help solving equation
  would you please let me know if this was solved correctly            r^2 - 7r + 12   divided    r^2 - 7r + 12                r + 4                      r^2 + 6r + 8    = (r -3)(r -4)   ... more
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01/24/14

help in finding the error
  Describe and correct the error.     1.       3   +  6    =    8___           x      x+3       x+1            LCD = x(x+3) (x + 1)          3(x + 3) (x + 1) + 6x(x + 1) = 8          3(x^2... more
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01/24/14

The formula y=mx+b
Consider the line 6x+8y=-7   Find the equation of the line that is perpendicular to this line and passes through the point (-5,6)Find the equation of the line that is parallel to this line and... more
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01/23/14

identify two additional values for x and y in a direct variation relationship where y=11 when x=18
How so I figure out the values      
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01/23/14

how to write 0.877777777 as a fraction
Its a recurring decimal 
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01/23/14

simplify expression and solve equation
  Woud you please help simplify and solve:   √x (√9 - 4/3) = √25
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01/23/14

did I solve these problems correctly stating the exclued values
    simplify the expression if possible and state the excluded values.   1.   5x - 5/10x^2 - 25x + 15   = 5(x - 1)/    5(2x^2 -5x + 3)   = 5(x-1)  (1)/   -5(x-1)  (2x -3)   = ... more
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01/23/14

Factor completely. 9x^2 + 4
please help me
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01/23/14

(m^1/4n^1/2) ^2(m^2n^3) ^1/2
I am totally confused   In this discussion, you will simplify and compare equivalent expressions written both in radical form and with rational (fractional) exponents.using the following... more
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01/22/14

Combination and Composition numbers
f(x) =X-2     g(X)=x^2+1 f(x) = X-2     (f+g) 2       ( f g )-4            (fog )2            (fof) 3           (fogof)X Somebody please save me!  
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