number10or9 number10or9
  • 30-04-2021
  • Mathematics
contestada

Solve 2 log(x) + log(5) = log (80) using the one-to-one property.

Respuesta :

eliezerkafunya
eliezerkafunya eliezerkafunya
  • 01-05-2021

x=4

Step-by-step explanation:

2log(x)+log(5)=log(80)

log(x^2)+log(5)=log(80)

log(5x^2)=log(80)

5x^2 =80

x^2 =80/5

x^2=16 , taking square root both sides

x=√16

=4

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