SOLUTION: An airplane covered 24 miles of its route while decreasing its altitude by 36,000 feet. Find the slope of the airplane's line of descent. Round to the nearest hundredth. Hint: (1 m

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: An airplane covered 24 miles of its route while decreasing its altitude by 36,000 feet. Find the slope of the airplane's line of descent. Round to the nearest hundredth. Hint: (1 m      Log On


   

Question 105189: An airplane covered 24 miles of its route while decreasing its altitude by 36,000 feet. Find the slope of the airplane's line of descent. Round to the nearest hundredth. Hint: (1 mi = 5280 feet)
Answer by checkley75(3666) About Me  (Show Source):
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USING A GRAPHING TECHNIQUE WE HAVE A STARTING POINT OF (0,0).
WE THEN HAVE ANOTHER POINT OF X=24*5,280=126,720 FEET (126,720,0)
WE ALSO HAVE A Y POINT OF -36,000 (126,720-36,000)
NOW WE CAN FIND THE SLOPE (Y2-Y1)/(X2-X1)
(-36000-0)/(126,720-0)
-36,000/126,720=-.28 IS THE VALUE OF THE SLOPE.