document.write( "Question 1195545: The height of a \"highlight%28cross%28rectangle%29%29\" rectangular \"highlight%28window%29\" is 0.4 m more than the width. The total area is 10.4 m2.
\n" ); document.write( "Determine the dimensions of the window by solving an appropriate equation. Round your answer to the nearest hundredth \n" ); document.write( "
Algebra.Com's Answer #828065 by ikleyn(52921)\"\" \"About 
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document.write( "W*(W+0.4) = 10.4\r\n" );
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document.write( "W^2 + 0.4W - 10.4 = 0\r\n" );
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document.write( "Solve this quadratic equation using the quadratic formula.\r\n" );
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document.write( "ANSWER.  The width W is 3.03 m;  The height is  3.03+0.4 = 3.43 m.\r\n" );
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document.write( "CHECK.  3.03*3.43 = 10.394 m^2,  which is good, taking rounding into account.\r\n" );
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\n" ); document.write( "\n" ); document.write( "On solving quadratic equations using the quadratic formula,  see the lessons\r
\n" ); document.write( "\n" ); document.write( "    - Introduction into Quadratic Equations\r
\n" ); document.write( "\n" ); document.write( "    - PROOF of quadratic formula by completing the square\r
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\n" ); document.write( "\n" ); document.write( "Also,  you have this free of charge online textbook in  ALGEBRA-I  in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r
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\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this textbook under the topic  \"Quadratic equations\". \r
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\n" ); document.write( "\n" ); document.write( "Save the link to this online textbook together with its description\r
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\n" ); document.write( "\n" ); document.write( "Free of charge online textbook in ALGEBRA-I
\n" ); document.write( "https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson\r
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\n" ); document.write( "\n" ); document.write( "to your archive and use it when it is needed.\r
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