Mathematics, 21.03.2020 03:15 yvngtazz
Mary is deciding whether to book the cheaper flight home from college after her final exams, but she's unsure when her last exam will be. She thinks there is only a 20% chance that the exam will be scheduled after the last day she can get a seat on the cheaper flight. If it is and she has to cancel the flight, she will lose $200. If she can take the cheaper flight, she will save $100. a) If she books the cheaper flight, what can she expect to gain, on average? b) What is the standard deviation?
Answers: 2
Mathematics, 21.06.2019 16:00
Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?
Answers: 2
Mathematics, 21.06.2019 22:00
Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square
Answers: 1
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