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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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8 0
3 years ago
PLEASE HELP!!! You must show your work to receive credit for this item.
Natalka [10]
The answer to this question is 12
8 0
3 years ago
Help me please I give brainliest and be serious than you
Naddik [55]

Answer:

15) <u><em>y= 1/2 + 3.75</em></u>

16) <u><em>y = x</em></u>

Step-by-step explanation:

For #15)

<em>Equation used: y=mx+b ; Slope: y₂ - y₁ / x₂ - x₁</em>

1) First, you need to pick any 2 points on the graph. I'll use (6,3) and (8,4).

2.1) Then you'll use the <em>slope </em>equation to find the slope (m) of your equation.

(y) ~ 4 - 3 = 1

(x) ~ 8 - 6 = 2

Slope= 1/2

3) So from the look of the answers, the y here is 3.75 so you can trust that.

4) The final equation is <u><em>y= 1/2 + 3.75</em></u>

<u><em /></u>

For #16)

Use the same steps as #15. You can still choose whatever points/plots you want. Ima use (5,4) and (6,5).

(y) ~ 4 - 3 = 1

(x) ~ 6 - 5 = 1

slope= 1 or x

Answer: y=x

<em>Your welcome for the answer! <3</em>

8 0
3 years ago
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