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olya-2409 [2.1K]
2 years ago
14

y varies directly with x, and y = 9 when x = 2. What is the value of y when x = 3? Enter your answer in the box.

Mathematics
1 answer:
Reptile [31]2 years ago
7 0
Let y=kx
9=2k
k=4.5
when x=3
y=kx becomes
y=4.5 x 3
=13.5
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