Mathematics, 18.05.2021 21:00, angelteddy033

Tides go up and down in a 14-hour period. The average depth of a certain river is 7 m and ranges from 2 to 12 m. The variation can be approximated by a sine curve. Write an equation that gives the approximate variation y, if x is the number of hours after midnight and high tide occurs at 9:00 am.

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Tides go up and down in a 14-hour period. The average depth of a certain river is 7 m and ranges fro...