document.write( "Question 978536: the cost of a pizza varies directly as the square of its radius.if a pizza with a 6 inch radius costs $8.00 how much should a pizza with an 14 inchradius cost? \n" ); document.write( "

Algebra.Com's Answer #599942 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+k+\"$ = constant
\n" ); document.write( "Let $\"+c+\"$ = cost of a pizza
\n" ); document.write( "Let $\"+r+\"$ = radius of pizza
\n" ); document.write( " $\"+c+=+k%2Ar%5E2+\"$
\n" ); document.write( "---------------
\n" ); document.write( " $\"+8+=+k%2A6%5E2+\"$
\n" ); document.write( " $\"+k+=+8%2F36+\"$
\n" ); document.write( " $\"+k+=+2%2F9+\"$
\n" ); document.write( "--------------
\n" ); document.write( " $\"+c+=+%282%2F9%29%2A14%5E2+\"$
\n" ); document.write( " $\"+c+=+%282%2F9%29%2A196+\"$
\n" ); document.write( " $\"+c+=+392%2F9+\"$
\n" ); document.write( " $\"+c+=+43.56+\"$
\n" ); document.write( "---------------
\n" ); document.write( "A pizza with 14\" radius costs $43.56\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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