Y varies directly as the square of x. When x = 3, y = 18. What is the value of x when y = 72?
2 answers:
Answer: The answer is 12
Step-by-step explanation: Because if you divide 18y by 72y it will equal 4. Then you would just mutiply that number (4) by the original x (3), and you would get 12
Its c-12. Because if you divide 72y by 18y it equals 4. Then you would just multiply that number (4) by the original x (3), and you would get 12.
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