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Ira Lisetskai [31]
3 years ago
10

The value of y varies directly with x. When y=2 4/7, x=3/7 .

Mathematics
2 answers:
nydimaria [60]3 years ago
7 0

Answer:

I think the answer is 2 3/7. because you are decreasing 1/7.

Step-by-step explanation:

jasenka [17]3 years ago
6 0

Answer:

1 5/7

Step-by-step explanation:

I literally just took the test so yeah

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120º is 1/3 of a complete revolution of 360º. So the area of this sector should be 1/3 the area of the complete circle.

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Put another way: The area <em>A</em> of a circular sector and its central angle <em>θ</em> (in degrees) occur in the same ratio as the area of the entire circle with radius <em>r</em> according to

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<em>A</em> = π/360 * 120 * 81 = 81π/3

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