quymeeshaconnner quymeeshaconnner

19-09-2020
Mathematics

contestada

If the perimeter of a triangle is 9x + 7y and two of the sides are 2x + 3y and 4x − y, which is the third side?

A. 3x + 5y
B. x + 4y
C. 3x + 4y
D. x + 5y

Respuesta :

badernefaie1 badernefaie1

19-09-2020

Answer:

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The answer is A

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EnglishMaster23 EnglishMaster23

19-09-2020

Answer: A

(9x+7y) - (2x+3y) - (4x-y)

(9-2-4)x + (7-3 - -1)y

3x + (4 - - 1)y

3x + (4 + 1)y

3x + 5y

Step-by-step explanation:

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