Question 312582: An airplane covered 24 miles of its route while decreasing its altitude by 13,000 feet. Find the slope of the airplane's line of descent. Round to the nearest hundredth [hint: 1 mile = 5280 feet). I am pretty sure that it's going to be rise over run and that I would make the 13,000 feet 2.5 miles but so it should be 2.5/24 but I'm not 100% that's what the teacher is looking for. Any help would be appreciated
Answer by nerdybill(7384)   (Show Source):
You can put this solution on YOUR website! An airplane covered 24 miles of its route while decreasing its altitude by 13,000 feet. Find the slope of the airplane's line of descent. Round to the nearest hundredth [hint: 1 mile = 5280 feet). I am pretty sure that it's going to be rise over run and that I would make the 13,000 feet 2.5 miles but so it should be 2.5/24 but I'm not 100% that's what the teacher is looking for. Any help would be appreciated
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You're close...
The altitude is "decreasing" -- this means the "rise" is negative:
rise/run
= -13000ft/24miles
= -13000ft/(24miles * 5280ft/1mile)
= -13000ft/(24 * 5280ft)
= -13000ft/126720ft
= -0.10
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