mapboy9
mapboy9
09-03-2017
Mathematics
contestada
solve for r whats the answer
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paradoxlost
paradoxlost
09-03-2017
(9r-18)/2 < 45
9r-18< 90
9r< 108
r < 12
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buetowm
buetowm
09-03-2017
R=12 because in order to get rid of the 2 in the denominator you have to multiply both sides by 2. Then the equation reads 9r-18<90. Next add the 18 to her 9r<108. And lastly divide by 9 to solve for r. Which in this case is 12
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