ahaug4869
20.02.2020 •
Mathematics
Which expression is equivalent to (73)−2?
1 over 7 times 7 times 7 times 7 times 7 times 7
7
1 over 7
negative 1 over 7 times 7 times 7 times 7 times 7 times 7
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Ответ:
X2 +(-6.5) = 42.5
x = 7 or -7
Step-by-step explanation:
x2 + (-6.5) = 42.5
x2 = 49
x = 7 or -7