document.write( "Question 1148735: At a certain time of day a tree that is X meters tall cast a shadow that is X -3 m long if the distance from the top of the tree to the end of the shadow is X +1 m what is the height X of the tree \n" ); document.write( "
Algebra.Com's Answer #770082 by William_KO(1)![]() ![]() ![]() You can put this solution on YOUR website! (x+1)^2=(x-3)^2+x^2 \n" ); document.write( "(x^2+2x+1)=(x^2-6x+9)+x^2 square them \n" ); document.write( "x^2+2x+1=2x^2-6x+9 move everything to the right side \n" ); document.write( "0=x^2-8x+8 then use quadratic formula \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x= 4+2 root 2 or 4-2 root 2\r \n" ); document.write( "\n" ); document.write( "Hope this helps. \n" ); document.write( " \n" ); document.write( " |