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Nookie1986 [14]
4 years ago
15

-4(3s)+2 (-t); for s = 1/2, t = -3please help me

Mathematics
1 answer:
kumpel [21]4 years ago
7 0
Hi there. :)

I'll try to make this simpler for you.

Let's focus on the equation from left to right, to avoid clutter.

-4(3 * 1/2) = -4(1.5)

Now to the right.

+ 2(3) = + 6

Now combine!

-4(1.5) + 6 = 

-6 + 6 = 0

The answer is 0.
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A regular hexagon has sides of 2 feet. What is the area of the hexagon? 12 ft2 12 ft2 24 ft2 6 ft2
Goshia [24]

Answer:

10.39 ft²

Step-by-step explanation:

To answer the question, we need to know the following;

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In this case, the length of one side of the hexagon is 2ft

We are required to determine the area of the hexagon;

We need to determine the number of triangles we can divide an hexagon into triangles from its center, then determine the center angle of each triangle.

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Therefore, we have six isosceles triangles whose base side is 2 ft in length and the one angle at the top is 60°

Dividing the a triangle into two we have two right angled triangle each with an angle of 30° and one of the shorter side as 1 ft.

Using trigonometric ratios we can determine the other side.

tan 30 = opp/adj. opposite is 1 side

Adj = 1 ft ÷ tan 30

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Therefore, the area of each triangle = 0.5 × 1 ft × 1.732 ft × 2

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Therefore, the area of a hexagon = 6 × 0.5 × 1 ft × 1.732 ft

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Answer:

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