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aalyn [17]
3 years ago
8

Elise ran a total of 26 miles over the course of 13 track practices. How many track practices would it take for Elise to run 40

miles? Assume the relationship is directly proportional.
Mathematics
2 answers:
Lemur [1.5K]3 years ago
8 0

Answer:

20

Step-by-step explanation:

26/13=2

she ran 2 miles per track practice

so......

2 times what = 40?

2*20=40

answer is 20

sweet-ann [11.9K]3 years ago
5 0

Answer:20

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Area of the sector = 192 * pi

Now to find the area of the triangle.

The triangle is an isosceles triangle That means two of its sides are equal. They are equal to the radius of the circle, which is 24.

the small angles are equal to

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2x = 60               Divide by 2

x = 60/2

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The height of the triangle is derived from sin(30) = opposite / hypotenuse

sin(30) = 1/2

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1/2 = opposite / hypotenuse

1/2 = opposite / 24                      Multiply both sides by 24

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r = 24

Area of the triangle = 1/2 * 12 * 24

Area of the triangle = 144

So the area of the shaded area = 192*pi - 144 which looks like B

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