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White raven [17]
3 years ago
5

Find y when x=15 if y=6 when x=30

Mathematics
2 answers:
Verdich [7]3 years ago
3 0
Y = 12 because you multiply x by two to get x2, which is 30, and multiply y by two to get 12 - this is wrong, the answer is three, i did the math backwards

olganol [36]3 years ago
3 0
Y=kx
6=k (30)
6/30=k(30)/30
.2=k
y=.2(15)
y=3
So y is 3. 
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