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kirill115 [55]
2 years ago
15

If the sides of a polygon are x + 3 units, 2x – 4 units, 5x units, and 7x + 8 units, then find the perimeter of the polygon.

Mathematics
1 answer:
Katena32 [7]2 years ago
3 0

Answer:

The answer is 15x + 7

Step-by-step explanation:

Since the perimeter of a REGULAR polygon is the number of sides multiplied by the length, and the lengths of the sides are all different, it can be assumed that this is an irregular polygon. That means the formula to find the perimeter changes to all the sides added together.

 1 x + 3

 2 x - 4

 5 x + 0

<u>+ 7 x + 8</u>

 15 x + 7

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Elanso [62]

The two angles form a right triangle which is 90 degrees.

Add the two to equal 90:

3x-8 + 4x = 90

simplify:

7x-8 = 90

Add 8 to both sides:

7x = 98

Divide both sides by 7:

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3 0
3 years ago
What is the product?
Gnoma [55]

The correct product of (6x - 2)(6 x + 2) is 36x^2 - 4

<h3>How to determine the product?</h3>

The expression is given as:

(6x - 2)(6 x + 2).

The above expression is a difference of two squares.

And this is represented as

(a - b)(a + b)= a^2 - b^2

So, we have

(6x - 2)(6 x + 2) = (6x)^2 - 2^2

Evaluate

(6x - 2)(6 x + 2) = 36x^2 - 4

Hence, the correct product of (6x - 2)(6 x + 2) is 36x^2 - 4

Read more about difference of two squares at:

brainly.com/question/3189867

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<u>Complete question</u>

What is the product?

(6x - 2)(6 x + 2).

6 0
2 years ago
Im really confused i hope this doesnt take to much time please help it would me so much to me.
katrin [286]
Yes it is A I got it right
6 0
3 years ago
What is the measure of arc DGF
Margarita [4]

Answer:

DGF=226

Step-by-step explanation:

Angle 113 is a inscribed angle since two it is on the exterior of the circle. We can find the central angle by multiply 2 by 113.

113×2=226

Since the central angle measure 226, that means the arc DGF measures 226 degrees.

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8 0
2 years ago
George deposited $750.00 into an account that earns 7% interest which is compounded 2 times per year. How much money will George
Lapatulllka [165]
If I did my math correctly I believe your answer will be C. :)
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3 years ago
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