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Mathematics, 12.12.2019 21:31 jude3412
Show that (2-√x)^2 divided by √x can be written as 4x^(-1/2)-4+x^1/2
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Mathematics, 21.06.2019 15:50
Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20
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Mathematics, 21.06.2019 18:50
Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?
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