document.write( "Question 1129175: The count in a bateria culture was 300 after 10 minutes and 1500 after 35 minutes. Assuming the count grows exponentially,\r
\n" ); document.write( "\n" ); document.write( "What was the initial size of the culture
\n" ); document.write( "Find the doubling period
\n" ); document.write( "Find the population after 115 minutes.
\n" ); document.write( "When will the population reach 13000.
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Algebra.Com's Answer #745724 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
\"y=ab%5Ex\" , model\r
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\n" ); document.write( "\n" ); document.write( "\"system%28300=a%2Ab%5E10%2C1500=ab%5E35%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"b%5E35%2Fb%5E10=5\"\r
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\n" ); document.write( "\n" ); document.write( "\"b%5E25=5\"\r
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\n" ); document.write( "\n" ); document.write( "\"25%2Alog%28%28b%29%29=log%28%285%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"log%28%28b%29%29=log%28%285%29%29%2F25\"\r
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\n" ); document.write( "\n" ); document.write( "\"log%28%28b%29%29=0.02796\"\r
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\n" ); document.write( "\n" ); document.write( "\"b=1.0665\"\r
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\n" ); document.write( "\n" ); document.write( "\"a=y%2Fb%5Ex\"\r
\n" ); document.write( "\n" ); document.write( "\"a=300%2F1.0665%5E10\"\r
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\n" ); document.write( "\n" ); document.write( "approx, \"a=158\"\r
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\n" ); document.write( "\n" ); document.write( "The doubling time is slightly less than 10 minutes.\r
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\n" ); document.write( "\n" ); document.write( "\"highlight_green%28y=158%2A1.0665%5Ex%29\"
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