The arch of a bridge is a semiellipse with a horizontal major axis. The span is 30
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The arch of a bridge is a semiellipse with a horizontal major axis. The span is 30 feet, and the top of the arch is 10 feet above the major axis. The roadway is horizontal and is 2 feet above the top of the arch. Find the vertical distance from the roadway to the arch at 5-foot intervals along the roadway.
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The center of the ellipse is 0 0 The length of the major axis is 30 so a 15 The ...View the full answer
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