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If y varies directly as x and y=4 when x=-2 find y when x=30

If y varies directly as x and y=4 when x=-2 find y when x=30
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2 votes
If y varies directly as x and y=4 when x=-2 find y when x=30

User Szymon Toda
by
8.0k points

1 Answer

7 votes

Answer:

Explanation:

y=kx

4=k(-2)

k=-2

y=-2x

when x=30

y=-2*30=-60

User Sunseeker
by
8.6k points
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