document.write( "Question 328038: I have three questions that deal with area, diameter, and perimeter. I could not find a better classification to put them in so I chose this one. Thank you in advance for taking the time to help me. It is greatly appreciated. The sooner I get an answer the better.\r
\n" ); document.write( "\n" ); document.write( "#1) Diameter of a circle. If the diameter of a circle is 1.3 X 10-12(that should read 10 to the negative 12th) meters, then what is its radius?\r
\n" ); document.write( "\n" ); document.write( "#2)Area of a parallelogram. Find a trinomial A(x) that represents
\n" ); document.write( "the area of a parallelogram whose base is 3x + 2
\n" ); document.write( "meters and whose height is 2x+ 3 meters. Find A(3).\r
\n" ); document.write( "\n" ); document.write( "#3)
\n" ); document.write( "Perimeter of a rectangle. The perimeter of a rectangular
\n" ); document.write( "backyard is 6x+ 6 yards. If the width is x yards, find a
\n" ); document.write( "binomial that represents the length
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Algebra.Com's Answer #234980 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
#1) Diameter of a circle. If the diameter of a circle is 1.3 X 10-12
\n" ); document.write( "(that should read 10 to the negative 12th) meters, then what is its radius?
\n" ); document.write( "d = \"1.3%2810%5E-12%29\"
\n" ); document.write( "r = \"%281.3%2810%5E-12%29%29%2F2\" = \".65%2810%5E-12%29\"; divided 1.3 by 2
\n" ); document.write( "Write in scientific notation
\n" ); document.write( "r = \"6.5%2810%5E-13%29\"
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\n" ); document.write( "#2)Area of a parallelogram. Find a trinomial A(x) that represents
\n" ); document.write( "the area of a parallelogram whose base is 3x + 2 meters and whose height is
\n" ); document.write( " 2x+ 3 meters.
\n" ); document.write( "A = b*h
\n" ); document.write( "A = (3x+2)*(2x+3)
\n" ); document.write( "FOIL
\n" ); document.write( "A(x) = 6x^2 + 9x + 4x + 6
\n" ); document.write( "A(x) = 6x^2 + 13x + 6, is your trinomial
\n" ); document.write( " Find A(3).
\n" ); document.write( "A(3) = 6(3^2) + 13(3) + 6
\n" ); document.write( "A(3) = 6(9) + 39 + 6
\n" ); document.write( "A(3) = 54 + 39 + 6
\n" ); document.write( "A(3) = 99
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\n" ); document.write( "#3)
\n" ); document.write( "Perimeter of a rectangle. The perimeter of a rectangular backyard is 6x+ 6 yards.
\n" ); document.write( " If the width is x yards, find a binomial that represents the length
\n" ); document.write( "Perimeter equation:
\n" ); document.write( "2L + 2W = P
\n" ); document.write( "In this problem:
\n" ); document.write( "2L + 2x = 6x+6
\n" ); document.write( "2L = 6x - 2x + 6
\n" ); document.write( "2L = 4x + 6
\n" ); document.write( "Divide both sides by 2
\n" ); document.write( "L = 2x + 3, is the length
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\n" ); document.write( "did this make sense to you?
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