itssienna2005
itssienna2005 itssienna2005
  • 02-05-2019
  • Mathematics
contestada

Please Help! 35 points! Brainliest awarded!

What value of x would make the expression below equal to 8?

Please Help 35 points Brainliest awarded What value of x would make the expression below equal to 8 class=

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 02-05-2019

Answer:

x = 5/3

Step-by-step explanation:

We have the fifth root of 8^3 and we want it equal to 8

(8^3) ^ (1/5) ^x = 8

We know that a^b^c = a^ (b*c)

8 ^ (3*1/5x) = 8

8 ^ (3/5x) = 8

We can rewrite 8 as 8^1

8 ^ (3/5x) = 8^1

The exponents must be the same

3/5 x = 1

Multiply each side by 5/3 to isolate x

5/3 * 3/5x = 1 * 5/3

x = 5/3

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