document.write( "Question 1141674: A reflecting telescope's mirror diameter is 76 inches and depth is 42 inches. Where would the focus of the mirror be located? Answer to the nearest hundredth.
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Algebra.Com's Answer #762259 by josgarithmetic(39620)![]() ![]() ![]() You can put this solution on YOUR website! Imagine a parabola with vertex at (0,0) and points (38, 42) and (-38, 42). Can you work with that, find the equation, and go all the way to the solution?\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "---\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "- \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "- \n" ); document.write( "If p is distance from vertex to focus, then \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "OR \n" ); document.write( " |