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30 September, 05:42

One side of a triangular flag is 3 more than 4 times the third side. The second side of the flag is 8 less than the third side. Find an expression for the perimeter of the flag.

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  1. 30 September, 06:12
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    The answer to your question is P = 6z - 5

    Step-by-step explanation:

    Data

    One side = x

    Second side = y

    Third side = z

    Perimeter of a triangle = One side + second side + third side

    Process

    1. - Write equations for each side

    x = 4z + 3

    y = z - 8

    2. - Write the equation of the perimeter

    Perimeter of the triangle = x + y + z

    -Write the perimeter in terms of z

    Perimeter of the triangle = (4z + 3) + (z - 8) + z

    -Simplify

    Perimeter of the triangle = 4z + 3 + z - 8 + z

    = 6z - 5
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