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July 25, 2014

Homework Help: Math

Posted by Ralph on Thursday, April 7, 2011 at 12:51am.

the concentration of a certain substance in our organism is given by the model Q9t) = Q(subscript 0) e^-0.1960t

a) what quantity of substance is present in the organism of this individual 3 hours after ingestion?

b) after how many hours will there only be 10% of this substance ingested by the individual?

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