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stira [4]
3 years ago
14

A mine elevator was at a depth of -120 feet. After 15 seconds, the mine elevator was at a depth of -30 feet. Which expression sh

ows how to find the speed of the mine elevator in feet per second?
Mathematics
1 answer:
KonstantinChe [14]3 years ago
8 0
-120 + -30 = 90. 90/15 = 6
Answer ; 6mph
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