document.write( "Question 664121: if someone could help me that would be great! =)\r
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document.write( "the population of a bacteria colony starts at 100 & grows by 28% per hr.
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document.write( "a) find a formula for the number of bacteria P after t hrs
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document.write( "b) what is the doubling time for this population so how long does it take the population to double in size
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document.write( "c) what is the continuous growth rate of the colony\r
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document.write( "thank you idk where to start.... \n" );
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Algebra.Com's Answer #413129 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! the population of a bacteria colony starts at 100 & grows by 28% per hr. \n" ); document.write( "After each hour, it's 1.28 times what it was. \n" ); document.write( "----- \n" ); document.write( "a) find a formula for the number of bacteria P after t hrs \n" ); document.write( "P = 100*1.28^t, t in hours \n" ); document.write( "------------------- \n" ); document.write( "b) what is the doubling time for this population so how long does it take the population to double in size \n" ); document.write( "200 = 100*1.28^t \n" ); document.write( "1.28^t = 2 \n" ); document.write( "t*log(1.28) = log(2) \n" ); document.write( "t = log(2)/log(1.28) \n" ); document.write( "t =~ 2.808 hours \n" ); document.write( "c) what is the continuous growth rate of the colony \n" ); document.write( " \n" ); document.write( " |