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timofeeve [1]
3 years ago
5

What is the value of b in this equation? A. -20 B. -6 C. 6 D. 20

Mathematics
2 answers:
kobusy [5.1K]3 years ago
8 0

Answer:

Step-by-step explanation:

a- 12

b- 2

c- 11

and the next part is

x- 6

y- 18

stepan [7]3 years ago
5 0

Answer:

B

Step-by-step explanation:

Using the rules of exponents

(a^m)^{n} = a^{mn}

a^{-m} = \frac{1}{m}

Then

(y^b)^{4} = \frac{1}{y^{24} }

y^{4b} = y^{-24}

Equate the exponents

4b = - 24 ( divide both sides by 4 )

b = - 6 → C

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