document.write( "Question 1079761: An Airplane climbs at an angle of 11 degrees at an average speed of 420 mph. How long will it take for the plane to reach its cruising altitude of 6.5 miles? Round to nearest minute. \n" ); document.write( "
Algebra.Com's Answer #693979 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! let x be the value of the hypotenuse \n" ); document.write( ": \n" ); document.write( "sin(11) = 6.5 / h \n" ); document.write( ": \n" ); document.write( "h = 6.5 / sin(11) = 6.5 / 0.1908 = 34.0655 \n" ); document.write( ": \n" ); document.write( "rate * time = distance \n" ); document.write( ": \n" ); document.write( "time = distance / rate = 34.0655 / 420 = 0.0811 \n" ); document.write( ": \n" ); document.write( "convert time to minutes \n" ); document.write( ": \n" ); document.write( "********************************************* \n" ); document.write( "0.0811 * 60 = 4.866 approximately 5 minutes \n" ); document.write( "********************************************* \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |