document.write( "Question 910223: Please help, I have no idea.
\n" ); document.write( "If the Number of Bacteria, N, in two samples are modelled by Na=3000e^0.09t and Nb=5000e^kt, where t is the number of hours from midday. Determine the value of the constant k in the second sample that will enable the number of bateria in the two smaples to be equal at 7pm.
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Algebra.Com's Answer #552307 by josgarithmetic(39800)\"\" \"About 
You can put this solution on YOUR website!
\"t=7\";
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\n" ); document.write( "\"3000e%5E%280.09%2A7%29=5000e%5E%28k%2A7%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"3e%5E%286.3%29=5e%5E%287k%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%281%2F5%293%5E%286.3%29=e%5E%287k%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"ln%28e%5E%287k%29%29=ln%281%2F5%29%2B%286.3%29ln%283%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"7k=6.3%2Aln%283%29-ln%285%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28k=%28%286.3%29ln%283%29-ln%285%29%29%2F7%29\"
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