Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.
Trending News
Conic Sections Parabola. pre calc help?
A reflector for a satellite dish is parabolic in cross section, with the receiver at the focus F. The reflector is 1 ft deep and 20 ft wide from rim to rim. How far is the receiver from the vertex of the parabolic reflector?
please show how to do it not just answers thank you
1 Answer
- 8 years agoFavorite Answer
draw the picture with the vertex of the Parabola on (0,0) and the end of the parabola at (10,1)
use y= ax^2 as your equation and solve for "a " which is 1/100 since 4p =100 p =25 so the receiver is25 feet away
