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arsen [322]
3 years ago
11

I really need helppp!

Mathematics
1 answer:
irakobra [83]3 years ago
6 0

Answer:

b

Step-by-step explanation:

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Answer:

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The reflecting dish of a parabolic microphone has a cross-section in the shape of a parabola. The microphone itself is placed on
pochemuha
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
If we set the vertex at (0,0) then the curve goes through (30,30) 

<span>y = 1/30 x^2 </span>
<span>x^2 = 30y </span>

<span>Since the parabola x^2 = 4py has its focus at y=p, 4p=30 and the mic should be 15/2 inches up from the vertex.</span>
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3 years ago
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Anni [7]

Answer:

p x 4

Step-by-step explanation:

p x 4  

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Margaret [11]

Answer:

3

Step-by-step explanation:

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yarga [219]

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1/2

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