document.write( "Question 499476: 13. Factor the polynomial x^3-27. your answer can be written as (x-A)(x^2+bx+C)\r
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document.write( "7. If you rationalize the denominator of\r
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document.write( " 1 / (11x sqrt(5) - 3y sqrt(3)
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document.write( "then you will get
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document.write( "A/B
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document.write( "what is A and B.\r
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document.write( "24.The difference of two positive numbers is 7 and the sum of their squares is 65. Find the numbers.
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document.write( "The bigger number is ,? and the smaller number is ?. \r
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document.write( "19.
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document.write( "Simplify the expression \r
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document.write( " [(4/x-1)-(1/x+1)] / [(x/x-1)+1/x+1) \r
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document.write( "and give your answer in the form of f(X)/ g(x)\r
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document.write( "Your answer for the function is f(x) :
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document.write( "Your answer for the function is g(x) : \r
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document.write( "21. The width of a rectangle is 7 less than twice its length. If the area of the rectangle is 69 cm, what is the length of the diagonal?
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document.write( "Note: Your answer must be a number. It may not contain any arithmetic operations.
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document.write( "The length of the diagonal is cm. \r
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Algebra.Com's Answer #337753 by edjones(8007) You can put this solution on YOUR website! 24) \n" ); document.write( "x-y=7 \n" ); document.write( "x^2+y^2=65 \n" ); document.write( ". \n" ); document.write( "x=y+7 \n" ); document.write( "(y+7)^2+y^2=65 \n" ); document.write( "y^2+14y+49+y^2=65 \n" ); document.write( "2y^2+14y-16=0 \n" ); document.write( "y^2+7y-8=0 \n" ); document.write( "(y+8)(y-1)=0 \n" ); document.write( "y=1, x=8 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |