document.write( "Question 1203928: Two cars leave an intersection at the same time. One is headed south at a constant speed of 40 miles per hour, the other is headed west at a constant speed of 30 miles per hour (see the figure). Express the distance d between the cars as a function of the time t. (Hint: At t = 0 the cars leave the intersection.) \n" ); document.write( "
Algebra.Com's Answer #839847 by ikleyn(52776)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "\r\n" ); document.write( "At the time t, the southern leg is 40t miles; the western leg is 30t.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "The hypotenuse of the right angled triangle, which is the distance between the cars, is, according to Pythagoras\r\n" ); document.write( "\r\n" ); document.write( " d =\r \n" ); document.write( "\n" ); document.write( "Solved.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |