The reflecting dish of a parabolic microphone has a cross-section in the shape of a parabola.
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Mathematics, 15.12.2019 23:31, kanerobertrosss2213
The reflecting dish of a parabolic microphone has a cross-section in the shape of a parabola.
the microphone itself is placed on the focus of the parabola. if the parabola is 24 inches wide
and 9 inches deep, how far from the vertex should the microphone be placed?
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