What is 18 5/12+8 5/9+23 11/12+28 7/9?

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What is 18 5/12+8 5/9+23 11/12+28 7/9?

What is 18 5/12+8 5/9+23 11/12+28 7/9?

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6

[tex]These figures are similar. the perimeter and area of one are given. the perimeter of the other is al[/tex]

239/3 = 79 2/3

last one.

step-by-step explanation:

last one.

generally speaking, the others follow some sort of pattern that correlates to either linear (looks like a straight line) or sinusoidal (looks like an s).

the last one is just a random cloud of points that doesn't correlate to any particular known order.