Write the word or phrase that best completes each statement or answers the question.
-A sealed-beam headlight is in the shape of a paraboloid of revolution. The bulb, which is placed at thefocus, is 3 centimeters from the vertex. If the depth is to be 6 centimeters, what is the diameter of theheadlight at its opening?
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Q50: Write the word or phrase that best
Q51: Write the word or phrase that best
Q52: Find the center, foci, and vertices of
Q53: Solve the problem.
-A bridge is built in
Q54: Graph the equation. Q56: Find the center, foci, and vertices of Q57: Solve the problem. Q58: Graph the equation. Q59: Solve the problem. Q60: Find the center, foci, and vertices of
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-A reflecting telescope contains a
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-An experimental model for a
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