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devlian [24]
3 years ago
14

Pls help me with 19,20 pls thx and show me how u did it

Mathematics
1 answer:
Anastasy [175]3 years ago
7 0
For number 19:
"at least 150" means either 150 ≤ ?  or ? ≥ 150

plus 3 so +3x

The answer would be 150 ≤ 100 + 3x

Number 20:

A is at -2.5. The inverse is the opposite so 2.5
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The side lengths of a triangle are given by the expressions 5x+3,5x+5,and3x-2.write and simplify a linear expression for the per
serg [7]

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Step-by-step explanation:

The perimeter is the length of the outer boundary of any closed geometrical shape.

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The perimeter of the triangle is: 13x+6

Keywords: Perimeter, geometry

Learn more about perimeter at:

  • brainly.com/question/9196410
  • brainly.com/question/9178881

#LearnwithBrainly

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