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18 February, 03:48

3c2 - 4a + b

Given a = -3

B=4

c=2.5

+2
Answers (1)
  1. 18 February, 04:18
    0
    Answer: 34.75

    Step-by-step explanation:

    Since we have the values of a to be - 3, b = 4 and c = 2.5, then slot the figures in to give: 3 (2.5*2.5) - 4 (-3) + 4

    3 (6.25) + 12 + 4

    18.75 + 12 + 4

    =34.75
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