document.write( "Question 1160320: On a bicycle, Kristen rides for 2 hours and is 18 miles from her house. After riding for 12 hours, she is 98 miles away.\r
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document.write( "Write an equation to model this situation (use m for miles and h for hours). \n" );
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Algebra.Com's Answer #783607 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! On a bicycle, Kristen rides for 2 hours and is 18 miles from her house. After riding for 12 hours, she is 98 miles away.\r \n" ); document.write( "\n" ); document.write( "Write an equation to model this situation (use m for miles and h for hours). \n" ); document.write( "------------------- \n" ); document.write( "Assuming constant speed: \n" ); document.write( "-- \n" ); document.write( "Find the speed. \n" ); document.write( "(98-18) miles/(12-2)hours = 8 mi/hr (between the 2 points) \n" ); document.write( "------------------------- \n" ); document.write( "For distance as a function of time: \n" ); document.write( "m = 8*h + 18 \n" ); document.write( "======================== \n" ); document.write( "The 1st 2 hours she goes 18/2 = 9 mi/hr \n" ); document.write( "That creates a non-linear function for the 12 hours. \n" ); document.write( "More info needed to know what to do about that. \n" ); document.write( " \n" ); document.write( " |