document.write( "Question 1163525: A plane flies at a cruising speed of (x+40) kilometers per hour. At his rate, how long will it take to fly x²+,11x+28?
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Algebra.Com's Answer #787639 by josgarithmetic(39618)![]() ![]() ![]() You can put this solution on YOUR website! One would assume the comma was a mistake and that \"kilometers\" was accidentally omitted.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-------------------------------------------------- \n" ); document.write( "A plane flies at a cruising speed of (x+40) kilometers per hour. At his rate, how long will it take to fly x²+11x+28 kilometers? \n" ); document.write( "-------------------------------------------------- \n" ); document.write( "A plane flies at a cruising speed of R kilometers per hour. At his rate, how long will it take to fly D kilometers? \n" ); document.write( "--------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If for time x, and known speed R and known distance D, then \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Your example, the time in hours would be |