Saturday

August 23, 2014

August 23, 2014

Posted by **Ray** on Monday, June 13, 2011 at 11:22pm.

P(t)=(65)/(1+34e^(-0.223 t))

"t" is the number of days since the newspaper is first launched.

When will the newspaper reach 60% of the population

- Algebra -
**drwls**, Tuesday, June 14, 2011 at 1:31amSolve 60 = (65)/(1+34e^(-0.223 t))

(1+34e^(-0.223 t)) = 65/60 = 1.0833

34 e^(-0.223 t) = 0.0833

e^(-0.223 t) = 2.25*10^-3

-.223 t = -6.01

t = 27 days

**Related Questions**

math - Average truancy per student is 8 days per semester with a standard ...

Math - #5. If a rancher has one cow with a contagious disease in a herd of 1000...

Statistics - A city ballot includes a local initiative that would legalize ...

statistics - School 1 Statistics: Average truancy per student is 8 days per ...

Algebra 2 - The projected population in thousands for a city over the next ...

Statistics - A city ballot includes a local initiative that would legalize ...

bio152 - the logistic population growth model, rN[(K-N)/K], describes a ...

Statistics - *Give all probabilities to two decimal places. Three daily ...

Calculus - Determine the maximum sustainable yield (the maximum harvesting and ...

Calc - The Public Health Service monitors the spread of an epidemic of a ...