document.write( "Question 1206936: An electricity-generating dish uses a parabolic reflector to concentrate sunlight onto a high-frequency engine located at the focus of the reflector. The sunlight heats helium to 650°C to power the engine. Write an equation that represents the cross section of the dish shown with its vertex at (0, 0). \n" ); document.write( "
Algebra.Com's Answer #844663 by ikleyn(52781)\"\" \"About 
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\n" ); document.write( "An electricity-generating dish uses a parabolic reflector to concentrate sunlight
\n" ); document.write( "onto a high-frequency engine located at the focus of the reflector. The sunlight
\n" ); document.write( "heats helium to 650°C to power the engine. Write an equation that represents the
\n" ); document.write( "cross section of the dish shown with its vertex at (0, 0).
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