tfornwalt4390
25.01.2020 •
Mathematics
Logarithm equation. show the steps to solve. 400/1+e^-x=350
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Ответ:
1 + e^(-x) = 400/350
1 + e^(-x) = 8/7
e^(-x) = 8/7 - 1
e^(-x) = 1/7
1/e^(x) = 1/7
e^(x) = 7
x = log ( base e ) 7 or:
x = ln 7
x = 1.94591
Ответ:
I think it is 6.20 dolars
Step-by-step explanation: