document.write( "Question 98167: An airplane covered 15 miles of its route while decreasing its altitude by 20,000 feet. Find the slope of the airplane's line of descent. Round to the nearest hundredth. [Hint: 1 mi = 5280 feet.]
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Algebra.Com's Answer #72305 by edjones(8007)![]() ![]() You can put this solution on YOUR website! 20,000/5280=3.79 mi \n" ); document.write( "I drew a diagram on graph paper. \n" ); document.write( "I had the plane at x=0 y=3.79 at the start of decent and at x=-15 y=0 at the end. \n" ); document.write( "this gives us 2 points. (0,3.79) and (-15,0) \n" ); document.write( "slope= change in y/change in x=(3.79-0)/0-(-15)=3.79/15=.253 \n" ); document.write( "Ed \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |