01/24/14

How do you solve x=2y+7 and x=Y+4 using substitution?
Use substitution to solve the system of equations
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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

Find the ratio of the area of triangle XBY to the area of triangle ABC for the given measurements, if BY = 2, BC = 4 1/3 1/4 1/2
The image: https://media.glynlyon.com/g_geo_2013/8/23183_5.gif   Find the ratio of the area of triangle XBY to the area of triangle ABC for the given measurements, if BY = 2, BC = 4A. 1/3B. 1/4C.... more
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01/22/14

What is the value for c that will make
9x2 + 12xy + c a perfect square trinomial
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01/22/14

-3/2=-2a+1
I need to solve for "a" I tried to solve it and I ended up with (2 1/2)/2=a. I don't know if that is right or not and even if it is I don't know what to do next.
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01/22/14

n/-2 -1=9 ?????
N/-2-1=9 ????     
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01/20/14

I'm having all kinds of trouble with this one. PLEASE HELP
There are 22 full-time employees at the shop. New employees receive $9.50 per hour, while experienced workers average $12.90 per hour. The company spends $273.60 per hour in wages. Find the number... more
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