Mathematics, 17.10.2020 04:01, chiquita77

A bird is flying at an altitude of 100 feet. After a few minutes of ascending and descending, the bird ends up at a new altitude of 120 feet. Which of the following expressions best represents the flight of the bird?
A: 100 + 30- (- 50)

B: 100 + (-30) + (- 50)

C: 100 + 30+ 50

D: 100 + (-30) + 50

Answers: 1

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A bird is flying at an altitude of 100 feet. After a few minutes of ascending and descending, the bird ends up at a new altitude of 120 feet. Which of the following expressions best represents the flight of the bird? A: 100 + 30- (- 50) B: 100 + (-30) + (- 50) C: 100 + 30+ 50 D: 100 + (-30) + 50

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A bird is flying at an altitude of 100 feet. After a few minutes of ascending and descending, the bird ends up at a new altitude of 120 feet. Which of the following expressions best represents the flight of the bird?
A: 100 + 30- (- 50)

B: 100 + (-30) + (- 50)

C: 100 + 30+ 50

D: 100 + (-30) + 50