SOLUTION: An airplane covered 9 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

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Question 92572: An airplane covered 9 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.]
A) -0.55 B) -0.23 C) -0.76 D) – 0.11

Ok, I got an answer but I want to make sure that mine is correct.
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
-36,000/47,520=-.758 answer c).