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

Simplify. Your answer should contain only positive exponents with no fractional exponents in the denominator.
Help please! Everything is in the photo!
This map shows the states that have procedures that allow citizens to add initiatives and referendums to state ballots. Based on the map, which statement is MOS
What is needed for DNA replication? Select all that apply.
Columbus had a plan to find a new route to Asia, but something else happened. What went wrong with his plan?
Simplify this expression. 4^9/4^3
What is the difference between Muscular Endurance and Muscular Strength?
Which sentence uses a prepositional phrase as an adverbial phrase
A plane mirror is placed to the right of an object. The image formed by the mirror will be a A: real image that appears to be on the right of the mirror. B: re
What has more friction? A-metal B-cement C-wood