Cellular phone service that charges per-minute will charge $5 for 50 minutes. How much would 1599 minutes cost?
1 answer:
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Step-by-step explanation:
4x² - 12x + 17 = 0
i is an imaginary number and it equals √-1, and you usually put it when the number under the root is negative.
So √-5 = √5i and √-4 = 2i
