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August 2, 2015

August 2, 2015

Total # Posts: 4

**math**

64% 50 64/100 = 0.64 0.64x50 = 32
*March 28, 2011*

**algebra**

Set up your given: Let x be $5 Let y be $1 Amount: 5x + y = 26 Number of bills: x + y = 14 Solve the equations by elimination: (multiply the first equation by -1 to make y negative.. it would then cancel out) -5x - y = -26 x + y = 14 -4x = -12 x = 3 Plug in x to any of your ...
*March 28, 2011*

**math**

x^2+6x+9 Product of the coefficients of the 1st and last terms: +9 (1x9) Sum: +6 (middle term is always the sum) List all the factors of 9 and determine which pair would give you a product of +9 and a sum of +6: 1,9 3,3 ✓ your answer will be (x+3)^2 or (x+3)(x+3) Check...
*March 28, 2011*

**11th grade math**

The easiest way would be to use a graphing calculator. Given: |2x+5|+5=4 1. Turn on your graphing calculator and press y=. 2. Once you're there, press 2nd -> 0 -> ENTER. 3. Now you get this: abs(put the absolute value equation) *dont forget to 'close' the ...
*January 13, 2011*

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