3 years ago

Can someone help me answer this? Thanks! :)

1 answer:

7 0

Answer:

$\pi$

Step-by-step explanation:

$\int _{-2}^2\:\left(x^3cos\:(\frac{x}{2})+\frac{1}{2}\right)\sqrt{4-x^2}dx\\$

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katrin2010 [14]

Answer:

A ≈ 35.3 units²

Step-by-step explanation:

Calculate the radius CB using Pythagoras' identity in the right triangle.

CB² + AB² = AC²

CB² + 6² = 9²

CB² + 36 = 81 ( subtract 36 from both sides )

CB² = 45 = r²

Then area of quarter circle is

A = $\frac{1}{4}$ × πr² = $\frac{1}{4}$ × π × 45 ≈ 35.3

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2 years ago

algol [13]

Well four plus seven would equal seven tenths.

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2 years ago

Maksim231197 [3]

the solution is where the line cross on the y axis, which is on 0

so y = 0

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2 years ago

MaRussiya [10]

Answer: the rate of change is 3

Step-by-step explanation:

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2 years ago

Andrew [12]

Answer:

A picture

Step-by-step explanation:

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2 years ago