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Maurinko [17]
3 years ago
12

In a group of 85 people how many people would you expect towear glasses or contact lenses?

Mathematics
1 answer:
hammer [34]3 years ago
7 0

Answer:

At least one fourth of the people so 21.25 people.

Step-by-step explanation:


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What is the area of the shaded region below?<br> 7 m<br> 30 m<br> 7 m<br> 21 m
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Answer:

322.28

A

Step-by-step explanation:

Area of the rectangle

L = 30

W = 21

Area = 30 * 21

Area = 630

Area of the circles

Radius = 7 m

Area = pi r^2

Area = 3.14 * 7^2

Area = 153.86 m^2

Area of both circles = 307.72

Area of the Shaded Region

Area of shaded region = area of the rectangle - area of 2 circles.

Area of Shaded Region = 630 - 307.72

Area of Shaded Region = 322.28

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