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mote1985 [20]
3 years ago
8

Use signed numbers to solve. A helicopter rose 2400 feet, descended 1650 feet, and then descended another 725 feet. What was the

net gain or loss in altitude? A. gained 25 ft B. lost 750 ft C. lost 25 ft D. gained 750 ft
Mathematics
1 answer:
AlladinOne [14]3 years ago
4 0
+2400-1650-725= 25

The answer is A. gained 25ft.
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Given that a university class has 26 students: 12 are art majors, 9 are history majors, 5 and are nursing majors, and the professor is planning to select two of the students for a demonstration, where the first student will be selected at random, and then the second student will be selected at random from the remaining students, to determine what is the probability that the first student selected is a history major and the second student is a nursing major the following calculations must be performed:

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