document.write( "Question 843389: The intensity, I, of light received fro a source varies inversely as the square of the distance, d, from the source. If the light intensity is 6 foot-candles at 16 feet, find the light intensity at 17 feet. Round your answer to the nearest hundredth.
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Algebra.Com's Answer #508079 by josgarithmetic(39630) $\"\"$ $\"About$

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\"The intensity, I, of light received fro a source varies inversely as the square of the distance, d, from the source.\", $\"I=k%281%2Fd%5E2%29\"$ or $\"I=k%2Fd%5E2\"$ .\r
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\n" ); document.write( "\n" ); document.write( "light intensity is 6 foot-candles at 16 feet, $\"k=Id%5E2\"$
\n" ); document.write( " $\"k=6%2A16%5E2=1536\"$ .\r
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\n" ); document.write( "\n" ); document.write( "The main equation is $\"highlight%28I+=%281536%29%281%2Fd%5E2%29%29\"$ .
\n" ); document.write( "The question is for d=17, so evaluate $\"I=%281536%2F17%5E2%29\"$ . \n" ); document.write( "

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