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lisamiller
13.08.2019 •
Mathematics
Carey, the music reporter for her high school newspaper, is writing an article about this year's school musical. carey wants to interview one male and one female cast member, and there are 4 boys and 3 girls in the musical this year. carey also wants to interview one of the 2 students working backstage on the tech crew. how many different sets of people can carey interview?
__ sets
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Ответ:
Option b
Step-by-step explanation:
x² - 12x + 5 < 0
Roots (using quadratic formula)
x = 6+sqrt(31), 6-sqrt(31)
6-sqrt(31) < x < 6+sqrt(31)
sqrt: square root