a triangle has side lengths of (5.5x+ 6.2y) centimeters, (4.3x+8.3z) centimeters, and (1.6z-5.1y) centimeters. which expression represents t

Question

a triangle has side lengths of (5.5x+ 6.2y) centimeters, (4.3x+8.3z) centimeters, and (1.6z-5.1y) centimeters. which expression represents the perimeter, in centimeters, of the triangle?

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Samantha 2 weeks 2021-10-11T19:58:49+00:00 1 Answer 0

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    2021-10-11T20:00:12+00:00

    Answer:

    (9.8x + 1.1y + 9.9z)cm

    Step-by-step explanation:

    Perimeter is sum of the side lengths of (5.5x+ 6.2y) centimeters, (4.3x+8.3z) and (1.6z-5.1y) centimeters.

    that is,

    (5.5x+ 6.2y) cm + (4.3x+8.3z) cm + (1.6z-5.1y) cm

    = (5.5x + 4.3x + 6.2y – 5.1y + 8.3z + 1.6z) cm

    = (9.8x + 1.1y + 9.9z)cm

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