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Neporo4naja [7]
3 years ago
14

Sam mom is buying pizza for the party. Each pizza has 8 slices. If Sam and his friends each want 3 slices, how many pizza should

sam's mom buy
Mathematics
2 answers:
cluponka [151]3 years ago
8 0
How do we know how many friends Sam had
Firlakuza [10]3 years ago
5 0
Sam's mom should buy 5 pizzas.
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Suppose f is a one-to-one function with f(2)=8 and f’(2)=4. What is the value of (f^-1)’(8)?
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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:

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