document.write( "Question 1004349: (1/2)e^(0.2T) -11= 21. Solve for T \n" ); document.write( "

Algebra.Com's Answer #620879 by fractalier(6550) $\"\"$ $\"About$

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From (1/2)e^(0.2t) - 11= 21
\n" ); document.write( "(1/2)e^(0.2t) = 32
\n" ); document.write( "e^(0.2t) = 64
\n" ); document.write( "now take ln
\n" ); document.write( ".2t = ln 64
\n" ); document.write( "and
\n" ); document.write( "t = (ln 64)/.2 = 20.79 \n" ); document.write( "

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