3 years ago

Which number is composite 5,2,9,11

Mathematics

1 answer:

horrorfan [7]3 years ago

7 0

Answer:

9 number is composite is answer

Step-by-step explanation:

1,3,9 can be exactly divided by

I hope this is helpful!

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Answer:

Step-by-step explanation:

The rise of the line is -5 units. The run is 4 units. The slope of the line is -5/4.

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3 years ago

A sector with a radius of 8 cm has an area of 56pi cm2. What is the central angle measure of the sector in radians?

Maurinko [17]

Answer:

$\frac{7\pi}{4}$ .

Step-by-step explanation:

Given information:

Radius of circle = 8 cm

Area of sector = $56\pi\text{ cm}^2$

Formula for area of sector is

$A=\dfrac{1}{2}\theta r^2$

where, r is radius and $\theta$ is central angle in radian.

Substitute $A=56\pi$ and r=8 in the above formula.

$56\pi=\dfrac{1}{2}\theta (8)^2$

$56\pi=\dfrac{64}{2}\theta$

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$\dfrac{56\pi}{32}=\theta$

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Therefore, the measure of the sector in radians is $\frac{7\pi}{4}$ .

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