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3 July, 09:26

The value of the expression StartFraction 2 x squared Over x EndFraction plus x (100 minus 15 x) when x = 5 is

A. 119

B. 129

C. 135

D. 145

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Answers (1)
  1. 3 July, 11:03
    0
    C. 135

    Step-by-step explanation:

    2x^2/x + x (100-15x)

    When x=5

    2 (5) ^2/5 + 5{100-15 (5) }

    2 (25) / 5 + 5 (100-75)

    =50/5 + 5 (25)

    =10+125

    =135
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