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Twice the difference of 7 and a number is 4 times the number
asked
Mar 3, 2019
Mathematics
middle-school
1
answer
3
votes
219k
views
A helicopter takes off from the ground 800 feet from the base of a building. It flies in a straight line directly to the top of the building. If the building is 160 feet tall, what angle did the helicopter
asked
Jan 24, 2018
Mathematics
high-school
2
answers
2
votes
48.1k
views
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