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Vaselesa [24]
4 years ago
9

14/-2- i don’t understand pls help

Mathematics
1 answer:
Ganezh [65]4 years ago
5 0

Answer:

-7

Step-by-step explanation:

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Natasha2012 [34]

Answer:

<h2>            A = 27(2√3-π) cm² ≈ 8.71 cm²</h2>

Step-by-step explanation:

Area of shaded region it is area of hexagon minus area of circle.

A regular hexagon is comprised of six equilateral triangles (of the same sides).

So its area:  A_1=6\cdot\dfrac{S^2\sqrt3}{4}=\dfrac{3S^2\sqrt3}2     {S = side of the triangle}

Height (H) of such a triangle is equal to radius (R) of a circle inscribed in the hexagon:

R = H = \dfrac{S\sqrt3}{2}

Area of shaded region:

A=A_1-A_\circ=\dfrac{3S^2\sqrt3}2-\pi R^2=\dfrac{6S^2\sqrt3}4-\pi\left(\dfrac{S\sqrt3}2\right)^2=\dfrac{S^2(6\sqrt3-3\pi)}4

S = 6 cm

so:

A=\dfrac{6^2(6\sqrt3-3\pi)}4=\dfrac{36(6\sqrt3-3\pi)}4=9(6\sqrt3-3\pi)=27(2\sqrt3-\pi)\ cm^2\\\\A=27(2\sqrt3-\pi)\ cm^2\approx8.71\ cm^2

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Answer:

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Step-by-step explanation:

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Answer:

488

Step-by-step explanation:

  1. 6x^{2}  + 2 = 0
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