Someone pls answer. I have a online test tomorrow.
Attachments:
Answers
Answered by
0
Answer:
a) 1. b) 6
Step-by-step explanation:
a) 3^(3x-5) = 1/9^x
= 3^(3x-5 )= 1/3^2x
= 3^(3x-5) = 3^-2x
If bases are same power is equal.
= 3x-5 = -2x
= 3x+2x = 5
= 5x = 5
= x = 5/5
= x = 1
b) 3^x = 729
= 3^x = 3^6
If bases are same power is equal
= x = 6
Hope it helps
Answered by
2
Answer:
a) x=1
Step-by-step explanation:
a)
3^(3x-5) = 1/9^x
= 1/3^2x
=3^(-2x)
(3x-5)=-2x
x=1
Similar questions
Psychology,
4 months ago
Math,
4 months ago
Math,
9 months ago
Hindi,
9 months ago
Physics,
11 months ago
Social Sciences,
11 months ago