document.write( "Question 504199: A hot-air balloon, headed due east at an average speed of 15 miles per hour and at a constant altitude of 100 feet, passes over an intersection. Find the expression for the distance d (measured in feet) from the balloon to the intersection t seconds later. \n" ); document.write( "
Algebra.Com's Answer #339534 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A hot-air balloon, headed due east at an average speed of 15 miles per hour and at a constant altitude of 100 feet, passes over an intersection. Find the expression for the distance d (measured in feet) from the balloon to the intersection t seconds later. \n" ); document.write( "------------------- \n" ); document.write( "Draw the picture. \n" ); document.write( "The distance is the hypotenuse of a right triangle. \n" ); document.write( "--- \n" ); document.write( "height = 100 ft \n" ); document.write( "path of the balloon has speed 15*5280 ft/hr = 79000 ft/hr = 1320 ft/sec \n" ); document.write( "----- \n" ); document.write( "dist = sqrt[100^2 + 1320^2*t] \n" ); document.write( "============ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |