document.write( "Question 792374: The lengths of the edges of a cube are increasing at a rate of 5 ft/min. At what rate is the surface area changing when the edges are 13 ft long? \n" ); document.write( "

Algebra.Com's Answer #479940 by Alan3354(69443) $\"\"$ $\"About$

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The lengths of the edges of a cube are increasing at a rate of 5 ft/min. At what rate is the surface area changing when the edges are 13 ft long?
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\n" ); document.write( "A = 6s^2
\n" ); document.write( "dA/dt = 12s*ds/dt
\n" ); document.write( "= 156 sf/min
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