document.write( "Question 1081759: a mpumalsnga farmer needs to buils a rectangular enclosure with 50m of fencing on one of the sides of the enclisure there is a wall find the dimension of the enclosure which will give the maximum area \n" ); document.write( "
Algebra.Com's Answer #695802 by Boreal(15235) You can put this solution on YOUR website! The two sides are x \n" ); document.write( "The long side is 50-2x \n" ); document.write( "They add to 50 \n" ); document.write( "the area is x(50-2x)=50x-2x^2 \n" ); document.write( "That is a parabola with vertex -b/2a for x value, which is at -50/-4=12.5\r \n" ); document.write( "\n" ); document.write( "x=12.5 m on two sides \n" ); document.write( "2x=25 m long side \n" ); document.write( "area is 312.5 m^2 \n" ); document.write( "Try 24 and 13, area 312 m^2 \n" ); document.write( "try 26 and 12, area 312 m^2 \n" ); document.write( " \n" ); document.write( " |