Natalawsccbereranc Natalawsccbereranc
  • 08-11-2016
  • Mathematics
contestada

LOG[27](9)=x solve for x

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rjnelson100
rjnelson100 rjnelson100
  • 11-11-2016
if x = log[27](9), that means that 27 to the xth power equals 9.
27^x = 9

The cube root of 27 (27^1/3) = 3, and 3 squared (3^2) equals 9.
So, 27^(2/3) = 9.
x= 2/3

Hope this helps! :)
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Edufirst
Edufirst Edufirst
  • 12-11-2016
The expresion is log base 27 of 9 = x

Then, as per logarithm properties: the base raised to x = 9

27 ^ x = 9

[3^3]^x = 3^2

(3)^(3x) = 3^2

3x = 2

x = 2 / 3

Answer: 2 / 3
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