Mathematics, 27.08.2019 10:00 TheRunningPotatoe245
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 4 inches deep, how far from the vertex should the microphone be placed? (1 point)
4 inches
18 inches
9 inches
12 inches
Answers: 2
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The reflecting dish of a parabolic microphone has a cross-section in the shape of a parabola. the mi...
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