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Lerok [7]
3 years ago
15

A circular plate has circumference 24.5 inches. what is the area of this plate? use 3.14 for pi.

Mathematics
2 answers:
lbvjy [14]3 years ago
5 0

Answer:

The area of the plate is 47.78

Step-by-step explanation:

Alex3 years ago
4 0

Given:

Circumference of a circular plate = 24.5 inches.

To FInd:

Area of the circular plate

Solution:

By the formula of circumference

Circumference of a circular plate = 2πr

Where 'r' = radius of the plate

24.5 = 2\pi r

r = \frac{24.5}{3.14 * 2}  [Since π = 3.14]

r = 3.90 inches

We know the formula of a circular plate is,

Area =  πr²

Therefore, A = (3.14)(3.90)²

A = 47.79 square inches

Therefore, area of the circular plate is 47.79 inches.

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Dafna1 [17]
The answer is (1/2)xe^(2x) - (1/4)e^(2x) + C

Solution:
Since our given integrand is the product of the functions x and e^(2x), we can use the formula for integration by parts by choosing
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By differentiating u, we get
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Then we substitute these values to the integration by parts formula:
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where c is the constant of integration.

Therefore, 
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7 0
3 years ago
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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  SA ≈ 795.45 . . . . square inches

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