shamiya15
21.09.2019 •
Mathematics
Aminer descended 1200 feet into a mine. while in the mine, he then rose 900 feet and then descended 350 feet. what was the miner's net gain or loss in altitude? a. –1200 ft b. 650 ft c. –650 ft d. 50 ft
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Ответ:
We assume the miner starts at 0 (the surface).
0 - 1200 (down) + 900 (up) - 350 (down) = -650 (C)
Ответ:
Step-by-step explanation:
1a: 35+56q. 1b:44+20p
2a: 56+48p. 2b: 21+12m
3a: 4+14g. 3b: 55+45b
4a. 72c+6x. 4b: 32p+88
5a. 63+20t. 5b. 72n+32
6a. 84+24a. 6b: 22+12b