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serious [3.7K]
3 years ago
12

Please help me, tysm if you do :)

Mathematics
1 answer:
Rufina [12.5K]3 years ago
4 0

Answer:

B.12.32

Step-by-step explanation:

  • Let y be the widht of this triangle and x the length of it

From the first information we can write :

3y-x=2

from the second one :

2y+2x= 92

so our equation are :

  • 3y-x=2
  • 2y+2x= 92

Multiply the first one by 2 then add it to the second one to get rid of x :

  • 6y-2x= 4
  • 2y+2x+6y-2x= 92+4
  • 8y = 96
  • y= 12
  • replace y by 12 to calculate the value of x
  • x= 34

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liubo4ka [24]

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Mademuasel [1]

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