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anygoal [31]
3 years ago
5

What is the answer to this and can you explain

Mathematics
1 answer:
katovenus [111]3 years ago
5 0

Answer:30

Step-by-step explanation:

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Find the equivalent exponential expression. [(-4)^5]^3
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Answer:

-4^{15}

Step-by-step explanation:

Given expression:

\left[(-4)^5\right]^3

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1 year ago
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!
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3 years ago
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Dafna11 [192]

The approximate length of rail that needs to be replaced is 7.1 ft

<h3>Length of arc</h3>

Since the pool is circular, the approximate length that needs to be replaced is an arc of length, L = Ф/360° × πD where

  • Ф = central angle of rail section = 27° and
  • D = diameter of circular pool = 30 ft

<h3>Approximate length of rail</h3>

So, substituting the values of the variables into the equation, we have

L = Ф/360° × πD

L = 27°/360° × π × 30 ft

L = 3/40 × π × 30 ft

L = 3/4 × π × 3 ft

L = 9/4 × π  ft

L = 2.25 × π  ft

L = 7.07 ft

L ≅ 7.1 ft

So, the approximate length of rail that needs to be replaced is 7.1 ft

Learn more about length of an arc here:

brainly.com/question/8402454

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2 years ago
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Answer:

The answer is 20

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