Mathematics, 11.07.2019 17:30 mutoni55
Mary purchased a prepaid phone card for $30 . long distance calls cost 22 cents a minute using this card. mary used her card only once to make a long distance call. if the remaining credit on her card is $21.42 , how many minutes did her call last?
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Mathematics, 21.06.2019 17:50
F(x) = x2 − 9, and g(x) = x − 3 f(x) = x2 − 4x + 3, and g(x) = x − 3 f(x) = x2 + 4x − 5, and g(x) = x − 1 f(x) = x2 − 16, and g(x) = x − 4 h(x) = x + 5 arrowright h(x) = x + 3 arrowright h(x) = x + 4 arrowright h(x) = x − 1 arrowright
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