document.write( "Question 978755: Finding the area of a square.If the 9 ft^2 square painting is mounted with border on a square frame.If the total area of the border is 3.25 ft^2,what is the length of a side of the frame? \n" ); document.write( "
Algebra.Com's Answer #600212 by josgarithmetic(39617)\"\" \"About 
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Maybe to mean,
\n" ); document.write( "Square painting of area 9 ft^2 is mounted on or in a square frame, and the area of the frame border around the picture is 3.25 ft^2. Find the length of any side of the frame.\r
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\n" ); document.write( "\n" ); document.write( "The uniform width of the border around the picture is a number, x.
\n" ); document.write( "If 9 sq.ft. is area of the picture, then 3 feet is the side of this square picture.\r
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\n" ); document.write( "\n" ); document.write( "Area inside the frame, \"%283%2B2x%29%283%2B2x%29\"
\n" ); document.write( "Area of just the picture, \"3%2A3=9\", already given.
\n" ); document.write( "Area of the border around the picture, of just the frame itself, \"highlight%28%283%2B2x%29%5E2-3%2A3=3.25%29\".\r
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\n" ); document.write( "\n" ); document.write( "Solve for x using a few steps of algebra & arithmetic. Note that the question really means, find the value for \"3%2B2x\".\r
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\n" ); document.write( "\n" ); document.write( "----further thought,
\n" ); document.write( "Solving for x is not necessary. You CAN just solve the equation for 3+2x.
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\n" ); document.write( "\"%283%2B2x%29%5E2=3.25%2B9\"
\n" ); document.write( "\"3%2B2x=sqrt%2812.25%29\"
\n" ); document.write( "\"highlight%283%2B2x=3.5%29\".
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