abilamad576
abilamad576 abilamad576
  • 11-02-2022
  • Mathematics
contestada

3^2y-1 = (9)(27)^y-2 calculate the value of y

Thank you
​

Respuesta :

angle46089
angle46089 angle46089
  • 11-02-2022

Answer:

y = 3

Step-by-step explanation:

3^2y - 1 = (9)(27)^y - 2

3^2y-1 = 243^y - 2

log(243)/log(3) = 5

2y - 1 = 5(y - 2)

2y - 1 = 5y - 10

-5y      -5y

-3y - 1 = -10

     + 1    +1

-3y = -9

-3      -3

y = 3

Answer Link

Otras preguntas

What did Malcolm c promote as the answer
Which of the following best summarizes the significance of the Renaissance? A Nations developed complex political systems that copied those of classical Greece
Please answer ASAP PLEASE!​
Sarah takes out a loan today for $26,000 at an interest rate of 2 percent a year. She plans to repay the loan after 5 years. How much will he have to pay? Sarah
A small cylinder is rolled along a ruler and completes two revolutions. The circumference is the distance around the outside of a circle. What is the circumfere
What is an empirical formula?​
John needs $8,000 to buy a car. So far, he has saved $5,600. What percent of the price of the car has he saved
Cot^2x•sec^2x convert each of these into sine and cosine and simplify
Most kouroi have been found in what?
Suppose that the central bank must follow a rule that requires it to increase the money supply when the price level falls and decrease the money supply when the