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anonymous

  • 5 years ago

The number of bacteria in a certain population increases according to an exponential growth model, with a growth rate of 3.5% per hour. How many hours does it take for the size of the sample to double? Do not round any intermediate computations, and round your answer to the nearest hundredth.

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  1. amistre64
    • 5 years ago
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    2P = P e^(.035t)

  2. anonymous
    • 5 years ago
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    \[2=e^{.035t}\] \[ln(2)=.035t\] \[t=\frac{ln(2)}{.035}\] \[t=19.804\]

  3. anonymous
    • 5 years ago
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    type looks weird. is it my browser?

  4. amistre64
    • 5 years ago
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    openstudy seems to have a bit of a drag in it today....

  5. anonymous
    • 5 years ago
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    i'll say! i thought it was my connection, but i guess you are having problems as well.

  6. amistre64
    • 5 years ago
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    i go to post and its almost as if the comp freezes....

  7. anonymous
    • 5 years ago
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    so it would be 20hrs

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