Find the solution of the exponential equation, rounded to four decimal places.

Algebra
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Find the solution of the exponential equation, rounded to four decimal places.
 
90
1 + ex
 = 8

x = 

Apr 14th, 2015

90 = 8(1 + e^(-x));

1 + e^(-x) = 90/8 = 11.25;

e^(-x) = 10.25 and x = - ln10.25 = -2.3273.

Apr 14th, 2015

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Apr 14th, 2015
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Apr 14th, 2015
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