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Mathematics, 25.03.2020 17:00 ellietalbot

A ceiling light has a cross-section in the shape of a parabola. the parabola is 24 cm wide and 9 cm deep. the light bulb is located at the focus of the parabola. how far from the vertex is the light bulb?

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A ceiling light has a cross-section in the shape of a parabola. the parabola is 24 cm wide and 9 cm...
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