Suppose y varies directly with x. If y = 12 when x = 4, find x when y = 24.
1 answer:
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Answer:
the answer is a where x=8
Explanation:
cross multiplication method
Answer:
53
Step-by-step explanation:
i had to use this old method (pic related).
Answer:
x = ± i
Step-by-step explanation:
subtract 64 from both sides
9x² = - 64 ( divide both sides by 9 )
x² = - ( take the square root of both sides )
x = ± = ±
i