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Goryan [66]
3 years ago
8

PLEASE PLEASE PLEASE HELPPPP ASAPPPP!!!! best answer I’ll give brainliest :) HELP ASAP!

Mathematics
2 answers:
densk [106]3 years ago
4 0

Step-by-step explanation:

  • 2

The perimer of a traingle is the saum of its sides

P = 2(3x+7) + 2(2x+2)

  • 3
  1. P= 2(3x+7) + 2*(2x+2)   multiply (3x+7) and (2x+2) by 2
  2. P= 6x+14+4x+4             add the khown values together
  3. P=6x+4x+18                  add the terms with the variable x
  4. P= 10x+18
malfutka [58]3 years ago
3 0
10x+20 is the answer.
Since all you have to do is just add the sides lengths.
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Value of x =20

Step-by-step explanation:

Given: EF = 9x+14 units , FG = 56 units and EG = 250 units.

Segment Addition Postulates states the following for 3 points that are collinear.

i.e, Let three points A, B and C are collinear and B is between A and C.

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By Segment addition postulates; solve for x;

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Substitute the given values we get;

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or

250 = 9x + 70

Subtract 70 on both sides we get;

250 -70 = 9x + 70 -70

Simplify:

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Divide both sides by 9 we get;

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