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seraphim [82]
3 years ago
12

Anyone want brainliest

Mathematics
2 answers:
vaieri [72.5K]3 years ago
7 0
Me please and thank you
Blizzard [7]3 years ago
7 0
Me!!!!!!!!!!!!!!!!!!
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Mark has a shipping business. If your package weighs 2 pounds or less, the shipping costs $4. If your package weighs more than 2
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3 years ago
The sector COB is cut from the circle with center O. The ratio of the area of the sector removed from the whole circle to the ar
mafiozo [28]

Answer:

Ratio = \frac{R^2 - r^2 }{ r^2}

Step-by-step explanation:

Given

See attachment for circles

Required

Ratio of the outer sector to inner sector

The area of a sector is:

Area = \frac{\theta}{360}\pi r^2

For the inner circle

r \to radius

The sector of the inner circle has the following area

A_1 = \frac{\theta}{360}\pi r^2

For the whole circle

R \to Radius

The sector of the outer sector has the following area

A_2 = \frac{\theta}{360}\pi (R^2 - r^2)

So, the ratio of the outer sector to the inner sector is:

Ratio = A_2 : A_1

Ratio = \frac{\theta}{360}\pi (R^2 - r^2) : \frac{\theta}{360}\pi r^2

Cancel out common factor

Ratio = R^2 - r^2 : r^2

Express as fraction

Ratio = \frac{R^2 - r^2 }{ r^2}

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3 years ago
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sp2606 [1]

Answer:

10 units ^2

Step-by-step explanation:

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A = lw

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The real number square root of 16 belongs to which sets of numbers?
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Step-by-step explanation:

The square root of 16 is a rational number. The square root of 16 is 4, an integer

3 0
3 years ago
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