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omeli [17]
3 years ago
12

Which justification describes the process? Step 1. 4x + 2= 10 step 2. 4x=8

Mathematics
1 answer:
blondinia [14]3 years ago
6 0

Answer:

B

Step-by-step explanation:

The question you have to ask yourself is why did the 2 disappear on the left and why did the 10 decrease in the right.

Whatever you did, you didn't multiply to accomplish that, and you didn't add, both of which would have made things larger.

That leaves B and D. You have to consider D carefully. If you divide, that would make 2 smaller on the left, but it would never make the 2 disappear.

It would also reduce the 10, but the problem is that division would have to effect the x as well.

The answer is that B should be chosen. If you subtract 2 from both sides, the 2 on the left will disappear and you will reduce the 10 to 8 on the right.

I know my answer is a bit convoluted, but I hope it helps.

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The area of the regular hexagon is 169.74 ft2 what is the perimeter, rounded to the nearest tenth
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Answer:

Perimeter of given regular hexagon is <em>48.5 ft</em>.

Step-by-step explanation:

Let <em>ABCDEF</em> be the regular hexagon as shown in the attached figure.

<em>O</em> be the intersection point of the diagonals <em>EB</em>, <em>FC </em>and <em>AD</em>.

As per the property of regular hexagon, all the 6 triangles formed are equilateral triangles.

In other words,

\triangle EOD, \triangle DOC, \triangle BOC, \triangle AOB, \triangle AOF , \triangle FOE are equilateral \triangle s.

Area of an equilateral \triangle is defined as :

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Where <em>a </em>is the side of \triangle.

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We are given that area of hexagon = 169.74 ft^{2}

Let <em>s </em>be the side of hexagon.

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\Rightarrow 48.5 ft

So, perimeter of given regular hexagon is 48.5 ft.

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