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15 votes
Suppose that y varies directly with x

and y3 when x = 9. What is y
when x = 18?
y = [?]

Suppose that y varies directly with x and y3 when x = 9. What is y when x = 18? y-example-1
User Twamley
by
7.9k points

1 Answer

4 votes

Answer:

y=6

Explanation:

y=kx

3=9k

k=3/9

k=1/3

y=kx

y=1/3 × 18

y=6

User IdusOrtus
by
8.0k points