dawnmccall272
dawnmccall272
01-05-2014
Mathematics
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Evaluate 4a-bc if a=7 b=3 c= -2
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hannahjjjlee
hannahjjjlee
01-05-2014
You would plug in your answers and the equation would become 4(7)-(3*-2)=34. You should have known this if you are in high school.
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Mandysweetheart
Mandysweetheart
01-05-2014
Its 34 because 7x4=28, and 3 x -2 is -6 and a negative x - negative is positive so you would do 28+6 which is 34
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