lmatthe lmatthe

27-09-2016
Mathematics

Answered

if y= -12 when x= 9

find y when x= -4

Verified Answer :

27-09-2016

This is a fraction. So it's y over x. So -12 over 9 equals y over -4. After you put those in fractions, you cross multiply. So -12(-4) is 48, and 9y. Then you set them equal to each other, so 48=9y. You divide 9 on both sides and your answer should be y=5.3

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