jenna610 jenna610

14-05-2020
Mathematics

contestada

Solve (1/81)^x = 243^x-9

Respuesta :

14-05-2020

Answer:

x=5

Step-by-step explanation:

(1/81)^x=(243)^x-9

(1/3^4)=3^5(x-9)

3^-4x=3^5(x-9)

-4x=5(x-9)

-4x=5x-45

-4x-5x=-45

-9x=-45

x=5

Answer Link

Otras preguntas

Jeff takes 20 minutes to jog around the race course one time, and 30 minutes to jog around a second time. What is his average speed in miles per hour for the wh

Ovalbumin is a protein found in eggs. Which of the following best describes the molecular structure of ovalbumin? A group of six carbon atoms joined in a ring.

Answer for the problem

U = y / xk solve for x

What is the common ratio between successive terms in the sequence? 2, –4, 8, –16, 32, –64, ... –2 –6 6 2

________ is the process of planning, organizing, directing, and controlling an organization's financial, physical, human, and information resources to achieve i

Differences in courtship or other behaviors prevent mating

How did early British labor unions succeed in their efforts to create labor reform?

a combination that would have the same answer as 250C247

An 81-kg physicist and a friend are ice-skating. The physicist, distracted, collides from behind at 7.0 m/s with his friend, who is skating at 5.0 m/s in the sa