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Math question help please

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User Lri
by
6.8k points

2 Answers

4 votes

Answer:

log8 (X/Y

x = -4

Explanation:

log8 X = log8 Y

= log8 (X/Y)


3^(x-1) = 1 / 243

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

3^(x - 1) = 3^(-5)

x - 1 = -5

x = -4

User Takje
by
6.8k points
5 votes

Answer: log₈
((X)/(Y) )

Explanation:

log₈X - log₈Y

log rules say that subtraction becomes division when combining into one log

log₈
((X)/(Y) )

********************************************************************

Answer: -4

Explanation:

3ˣ⁻¹ =
(1)/(243)

3ˣ⁻¹ = 3⁻⁵

x - 1 = -5

+1 +1

x = -4

********************************************************************

Answer:
(5)/(3)

Explanation:


((1)/(6))^(x - 5) = 36^(x)

6⁻¹⁽ˣ⁻⁵⁾ = 6²⁽ˣ⁾

-1(x - 5) = 2(x)

-x + 5 = 2x

+x +x

5 = 3x


(5)/(3) = x

********************************************************************

Answer: 0

Explanation:

log₂ 1 = x

1 = 2ˣ

2⁰ = 2ˣ

0 = x

User Seventh
by
7.1k points
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