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15 June, 04:51

The perimeter of the triangle shown is represented by the

expression 10x - 1.

The lengths of two sides are given. Which kind of

expression represents the missing length?

exponential

rational

linear

quadratic

3x + 1

5x - 2

+5
Answers (1)
  1. 15 June, 08:21
    0
    Linear expression represents the missing length

    Solution:

    The perimeter of the triangle shown is represented by the expression 10x - 1

    The lengths of two sides are given: 3x + 1 and 5x - 2

    We have to find the length of third side

    We know that,

    perimeter of the triangle = sum of length of all three sides

    10x - 1 = 3x + 1 + 5x - 2 + third side

    10x - 1 = 8x - 1 + third side

    third side = 10x - 1 - 8x + 1

    third side = 2x

    2x has variable x and its power is 1

    Linear expression is an algebraic expression where the power of variable is equals to 1

    Thus linear expression represents the missing length
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