abennyang10 abennyang10
  • 04-08-2020
  • Mathematics
contestada

Solve for X, 3^x + 3^2 = 90​

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 04-08-2020

3^x + 3^2 = 90

Simplify the known power:

3^x + 9 = 90

Subtract 9 from both sides:

3^x = 81

Take the cubic root of both sides:

X = 4

Answer Link

Otras preguntas

when did ulysses s. grant join the american civil war
Three ways in which self-esteem improves performance in school subjects ​
By what percent will a fraction increase if it’s numerator is decreased by 10% and it’s denominator is decreased by 50%?
PLEASEEEEEEEEEEEEEEEEEEEEEEEEEEE
went into a local shop and bought four items. I paid a total of $7.11. Oddly enough, I noticed that the product of the four prices was also $7.11. How much did
when did ulysses s. grant join the american civil war
Expository essay introduction for quincenera
"she did not sing a song" turn into passive voice ​
Given that FISH is a square and FI=2 centimeters
whats the answer to this question