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MakcuM [25]
3 years ago
9

One of the skylights on the roof of Bianca’s building is in the shape of the solid below.

Mathematics
1 answer:
luda_lava [24]3 years ago
8 0

Answer:

588 sq. in.

Step-by-step explanation:

The total volume of air inside the skylight is in the shape of a pyramid, not the rectangular prism at the bottom.

So, if we look at the pyramid, it has a square base with dimensions 14 x 14. Its height is 11 - 2 = 9.

Formula for volume of a pyramid is:

V = 1/3 * Area of Base * height

Area of Base (since it is a square) = 14 * 14 = 196

Height is 9

<em>plugging into the formula, we get:</em>

<em>V=\frac{1}{3}*BaseArea*height\\=\frac{1}{3}*196*9\\=588</em>

<em />

<em>Hence, volume is 588 sq. in.</em>

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Answer:

x = 181 and y = 97

Step-by-step explanation:

let called the first number is x

the second number would be called y

We are given that:

x + y = 278 (1)

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Let change x in (2) into (1):

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2y + 84 = 278

Subtract 84 from both side, we got:

2y + 84 - 84 = 278 - 84

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Divide both side by 2, we got:

2y / 2 = 194 / 2

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Because y = 97 and x + y = 278 so x would equal:

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Subtract 97 from both side, we got:

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Hope this helped :3

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2 years ago
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3 years ago
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