A company designed and sells an ultrasonic receiver, which detects sounds unable to be heard by the human ear. The receiver can detect mechanical and electrical sounds such as leaking gases, air, corona, and motor friction noises. It can also be used to hear bats, insects, and even beading water. The receiver is 16 in. deep. The focus is 3 in. from the vertex. Find the diameter of the outside edge of the receiver. The diameter of the outside edge of the receiver is in. (Simplify your answer. Type an exact answer, using radicals as needed.) 2

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A: Topic = Functions

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A: Follow the procedure given below.

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A: we can solve this as follows:

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A:

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A: Let overline u =(2.2-4) and overline v =(a,1-1) . For what values of 'a' are u and v orthogonal?

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Q: Great! I was questioning myself because I had two answers. Thank you for your help!

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A: