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Tanya [424]
3 years ago
15

I'll give brainliest ​

Mathematics
1 answer:
ohaa [14]3 years ago
8 0

Answer:

Max height = 21 feet

Yes -  can reach the ledge

Step-by-step explanation:

For quadratics of the form

y = ax² + bx + c

The x coordinate of the vertex is at

x = -b/2a

therefor

t = (-32) / (2 * -16)

t = 1

h(1) = -16(1²) + 32(1) + 5

h(1) = 21

Max height = 21 feet

21 > 20

Yes -  can reach the ledge

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What is the area of the regular hexagon ABCEF? Explain your reasoning.
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Answer:

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Step-by-step explanation:

The regular hexagon consists of 6 equiangular triangles

The area (A) of a equilateral triangle is calculated as

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Here s = 30 , then

A = \frac{30^2\sqrt{3} }{4} = \frac{900\sqrt{3} }{4} = 225\sqrt{3} units²

Thus the area of the regular hexagon is

area = 6 × 225\sqrt{3}

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         ≈ 2338.3 units² ( to 1 dec. place )

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