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03.09.2020 •
Mathematics
Which expression is equivalent to -7 - (-2.5) A. 7 + (-2.5) B. -2.5 - 7 C. -7 + 2.5 D. 2.5 + 7
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Ответ:
d 9/4
Step-by-step explanation: Multiplicative inverse is simply flipping the number (reciprocal). When multiplied the value is always 1. 4/9 * 9/4 =36/36 =1