document.write( "Question 1127637: solve the equation for t\r
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Algebra.Com's Answer #744066 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
A=Be^-t/2\r
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\n" ); document.write( "\n" ); document.write( "You need to write it properly. Not sure if you mean as \"A=Be%5E%28-t%2F2%29\".\r
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\n" ); document.write( "\n" ); document.write( "Using natural log base,\r
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\n" ); document.write( "\n" ); document.write( "\"ln%28A%29=ln%28Be%5E%28-t%2F2%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"ln%28A%29=ln%28B%29%2Bln%28e%5E%28-t%2F2%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"ln%28A%29-ln%28B%29=-%28t%2F2%29%2Aln%28e%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"ln%28A%29-ln%28B%29=-t%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"t%2F2=ln%28B%29-ln%28A%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"t=%281%2F2%29%28ln%28B%29-ln%28A%29%29\"
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