Posted by **lee** on Friday, March 1, 2013 at 11:14pm.

A parabolic microphone has a cross-section in the shape of a parabola. The microphone is placed at the focus of the parabola. If the parabola is 20 inches wide and 5 inches deep, how far from the vertex should the microphone be placed?

Can someone please help.

## Answer this Question

## Related Questions

- algebra - 6. Find the equation of each parabola described below. a) parabola ...
- math - A parabola has the equation y = 4(x-3)^2-7 Choose 2 true statements: A) ...
- math - A parabola has the equation y = 4(x-3)^2-7 Choose 2 true statements: A) ...
- algebra 2 - An auditorium has a curved back wall. A horizontal cross section of ...
- algebra 2 - An auditorium has a curved back wall. A horizontal cross section of ...
- Please Help!!!!!! - an engineer designs a satellite dish with a parabolic cross...
- Math, Please Help!!! - an engineer designs a satellite dish with a parabolic ...
- Algebra: Parabolas - I have a math problem that requires me to find the focal ...
- trig - The cross section of a television antenna dish is a parabola. A dish has ...
- Parabola Help - by plotting the graph of parabola y=2+3x-2x^2 which 3 option are...