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Mathematics 9 Online
OpenStudy (anonymous):

Ferris wheel with diameter of 40 m rotates at a rate of 4 min/revolution. Riders board the Ferris wheel 5 m above the ground at the bottom of the wheel. A couple boards the Ferris wheel and the ride starts. Write a formula for the height of the couple t seconds after the ride begins. How many seconds after the ride starts will the couple be 37 meters above the ground for the second time?

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