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12 December, 14:57

What is value of the expression - 2r/5s if r = - 1/4 and s = 4/5?

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Answers (2)
  1. 12 December, 18:45
    0
    1/8

    Step-by-step explanation:

    Substitute - 1/4 for r and 4/5 for s in - 2r/5s:

    -2 (-1/4) / (5*4/5) = 1/2 / 4 = 1/8 (answer)
  2. 12 December, 18:51
    0
    I don't know if this is right but 0.125
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