SOLUTION: An airplane covered 13 miles of its route while decreasing its altitude by 18,000 feet. Find the slope of the airplane's line of descent. Round to the nearest hundredth

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Question 127123: An airplane covered 13 miles of its route while decreasing its altitude by 18,000 feet. Find the slope of the airplane's line of descent. Round to the nearest hundredth
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Slope = Rise/Run
m=%28-18000%29%2F%2813%285280%29%29 Descent means negative rise. Change miles to feet.
m=%28-18000%29%2F%2868640%29
m=-0.2622
The slope is -0.26 rounded to the nearest hundreth.