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4 years ago

I need help FAST!!! 10pts

Mathematics

2 answers:

Katena32 [7]4 years ago

5 0

The answer is 0.7 kilometers

Bezzdna [24]4 years ago

4 0

Answer:

A), 0.7

Step-by-step explanation:

got it right on e d g e n u i t y

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Step-by-step explanation:

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Which expression is equivalent to 9 p minus 3 p + 2?

Snezhnost [94]

Answer:

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3 years ago

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HELP DUE IN 10 MINS!

Scilla [17]

Answer:

$\checkmark \text{B. The area of the circle is } 729\pi,\\\checkmark \text{D. The arc length of the sector is } 12\pi$

Step-by-step explanation:

Area of a circle with radius $r$ : $r^2\pi$

Circumference of a sector with radius $r$ : $2r\pi$

Area of sector with angle $\theta$ : $r^2\pi\cdot \frac{\theta}{360}$ .

Arc length of sector with angle $\theta$ : $2r\pi\cdot \frac{\theta}{360}$

Using these equations, we get the following information:

Area of circle: $27^2\pi=729\pi$

Circumference of a circle: $2\cdot 27\cdot \pi=54\pi$

Area of sector: $27^2\pi\cdot \frac{80}{360}=162\pi$

Arc length of sector: $2\cdot 27\cdot \pi \cdot \frac{80}{360}=12\pi$

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3 years ago