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damaskus [11]
3 years ago
10

Please help

Mathematics
1 answer:
rewona [7]3 years ago
5 0

Answer:

125.6m^2

Step-by-step explanation:

Let R be the greater radius and r be the smaller radius

Area of the sidewalk = R^2 - r^2 - This can be the expression

= 3.14

=(R^2-r^2)

=(11^2-9^2)

=(121-81)

= 40

= 3.14 x 40

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The average baggage-related revenue per passenger is $16.30 per passenger.

<h3>Expected value</h3>

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First step

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Second step

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One  checked luggage for first bag=$7.50

Third step

Two piece  for the first and second bag=.16×($25+$30)

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Last step

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Good evening ,

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