document.write( "Question 197929This question is from textbook
\n" ); document.write( ": vi.A function gives the value of C as 2 × (22/7) × r. Find C when r = 7 cm and r = 91 cm.
\n" ); document.write( "Would someone please help me out with this problem please?
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Algebra.Com's Answer #148412 by vleith(2983)\"\" \"About 
You can put this solution on YOUR website!
\"C+=2+%2A+%2822%2F7%29+%2A+r\" Note that 22/7 is often used an approximation for pi. So this equation looks a lot like the equation for the Circumference of circle as a function of the radius.\r
\n" ); document.write( "\n" ); document.write( "You are asked to find C, when r = 7cm and r = 91cm\r
\n" ); document.write( "\n" ); document.write( "\"C+=2+%2A+%2822%2F7%29+%2A+r\" Do 7 first
\n" ); document.write( "\"C+=2+%2A+%2822%2F7%29+%2A+7\"
\n" ); document.write( "\"C+=2+%2A+22\"
\n" ); document.write( "\"C+=+44\" cm\r
\n" ); document.write( "\n" ); document.write( "\"C+=2+%2A+%2822%2F7%29+%2A+r\" Now do r=91
\n" ); document.write( "\"C+=+2%2A+%2822%2F7%29+%2A+91\"
\n" ); document.write( "\"C+=+2+%2A+22+%2A+13\"
\n" ); document.write( "\"C+=+571\" cm
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