document.write( "Question 197243: The top of a 15 foot ladder is 3 feet farther up a wall than the foot ladder id from the bottom of the wall. How far is the foot ladder from the bottom wall?\r
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document.write( "PLEASE HELP I DONT UNDERSTAND THIS AT ALL!!!! \n" );
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Algebra.Com's Answer #147876 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! This is a right triangle with a hypotenuse=15, the base=x & the other side=x+3. \n" ); document.write( "x^2+(x+3)^2=15^2 \n" ); document.write( "x^2+x^2+6x+9=225 \n" ); document.write( "2x^2+6x+9-225=0 \n" ); document.write( "2x^2+6x-216=0 \n" ); document.write( "2(X^2+3X-108)=0 \n" ); document.write( "2(X-9)(X+12)=0 \n" ); document.write( "X-9=0 \n" ); document.write( "X=9 FT. DISTANCE FROM THE WALL AND THE BASE OF THE LADDER. \n" ); document.write( "9+3=12 FT. DISTANCE OF THE LADDER UP THE WALL. \n" ); document.write( " |