document.write( "Question 148434: solve the inequality. write answer in interval notation.
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document.write( "100 < or equal to 10(5x-2) < or equal to 200\r
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document.write( "for what values of x is the perimeter of the rectangle from 40 to 60 feet?
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document.write( "length:x+3
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document.write( "width: 2x \n" );
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Algebra.Com's Answer #108779 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! write answer in interval notation. \n" ); document.write( "100 < or equal to 10(5x-2) < or equal to 200 \n" ); document.write( "Divide thru by 10 to get: \n" ); document.write( "10 <= 5x-2 <=20 \n" ); document.write( "Add 2 along the line \n" ); document.write( "12 <= 5x <= 22 \n" ); document.write( "Divide thru by 5 to get: \n" ); document.write( "2.2 <= x <= 4.4 \n" ); document.write( "==================\r \n" ); document.write( "\n" ); document.write( "for what values of x is the perimeter of the rectangle from 40 to 60 feet? \n" ); document.write( "length:x+3 \n" ); document.write( "width: 2x \n" ); document.write( "-------- \n" ); document.write( "40 <= perimeter <=60 \n" ); document.write( "40 <= 2(2x+x+3) <=60 \n" ); document.write( "20 <= 3x+3 <= 30 \n" ); document.write( "17 <= 3x <= 27 \n" ); document.write( "(17/3) <= x <= 9 \n" ); document.write( "========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H> \n" ); document.write( " \n" ); document.write( " |