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12 August, 16:12

Evaluate each expression if x=3 y=12 and z=8

4z+8-6=

7z divide by 4+5x=

y in the second power divide (3z) =

?

+4
Answers (1)
  1. 12 August, 17:40
    0
    34

    56/19

    6

    Step-by-step explanation:

    ∵ z = 8

    ∴ 4 (8) + 8 - 6 = 34

    ∵ x = 3

    ∴ 7z / (4 + 5x) = 7 (8) : (4 + 5 * 3) = 56 : 19 = 56/19

    ∵ y = 12

    ∴ y² : 3z = (12) ² : 3 (8) = 144 : 24 = 6
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