document.write( "Question 567508: Q: If x is a positive integer such that 350<7x^2<450, find x. \n" ); document.write( "
Algebra.Com's Answer #366588 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! x in an integer such that 200<3x^3<400, find x. \n" ); document.write( "----- \n" ); document.write( "Divide thru by \"3\" to get: \n" ); document.write( "(200/3) < x^3 < (400/3) \n" ); document.write( "---- \n" ); document.write( "Take the cube root along the line: \n" ); document.write( "--- \n" ); document.write( "cbrt[200/3] < x < cbrt[400/3] \n" ); document.write( "4.0548 < x < 5.1087 \n" ); document.write( "--- \n" ); document.write( "Answer: 5\r \n" ); document.write( "\n" ); document.write( "================================== \n" ); document.write( "cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |