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stealth61 [152]
3 years ago
15

Simplify y 2 + 4y - 16y + 3y 2.

Mathematics
1 answer:
lilavasa [31]3 years ago
8 0

Answer:

-7y (2)

Step-by-step explanation:

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A triangle is placed in a semicircle with a radius of 5 yd, as shown below. Find the area of the shaded region.
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Step-by-step explanation:

The triangle area is given by the formula ...

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Here, the base is 10 yd, and the height is 5 yd, so ...

  triangle area = (1/2)(10 yd)(5 yd) = (5 yd)^2 = 25 yd^2

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The semicircle is half the area of a circle with radius 5 yd, so its area is ...

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  shaded area = 39.25 yd^2 -25 yd^2 = 14.25 yd^2

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3 years ago
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