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10 March, 00:13

Which expression represents 92 decreased by an unknown number?

A.

92 : z

B.

92 + z

C.

92 z

D.

92 - z

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Answers (2)
  1. 10 March, 00:24
    0
    D. 92-z because you are subtracting which is decreasing
  2. 10 March, 00:30
    0
    D shows 92 decreased by an unknown number

    the unknown number is replaced by a variable. In this equation the variable is Z.
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