Mathematics, 11.06.2020 21:57, user1234536

A railroad tunnel is shaped like a semiellipse, as shown below. A semiellipse is shown on the coordinate plane with vertices on the x axis and one point of intersection with the positive y axis. The height of the tunnel at the center is 54 ft, and the vertical clearance must be 18 ft at a point 8 ft from the center. Find an equation for the ellipse.

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A railroad tunnel is shaped like a semiellipse, as shown below. A semiellipse is shown on the coordi...