xpertthiefswaggcommu xpertthiefswaggcommu

10-02-2020
Mathematics

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4) Which numerical expression equals − 1? A) − 1(1− 1) B) − (− 1)(− 1) C) (− 1) + 1 − 1 (− 1) D) − (− 1) − (− 1)(− 1)

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guskarose guskarose

10-02-2020

A) − 1(1 − 1) = − 1 · 0 = 0

B) −(−1)(−1) = −1

C) (−1) + 1 − 1(−1) = 0 −(−1) = 0 + 1 = 1

D) −(−1) − (−1)(−1) = 1 − 1 = 0

A and D are equal.

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shuteenlemery44 shuteenlemery44

06-04-2020

Answer:0

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