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If x and y are both positive and $$\sqrt{x^{2}+y^{2}}=3·x-y$$, then $$\frac{x}{y}=$$
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If $$x-5=\sqrt{2·x^{2}-18·x+37}$$ then x could equal
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If 0.25 + x = y and $$\frac{y}{x}$$ = 0.2, then y =
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If 3*x*m + 2*y*m - 2*y*n - 3*x*n = 0 and$$ m \neq n$$ , then what is the value of y in terms of x?
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If a*k - b = c - d*k, then k =
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If 4*x - 3*y = 13 and 5*x + 2*y = -1, then x =
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Which of the following is a root of the equation $$2*x^2 - 20*x = 48$$?
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If $$\sqrt{2·x^{2}+2·x·y+13·y^{2}}=x+3·y$$ , then x =
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Which of the following inequalities is equivalent to 12 - 3*x < -18
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If $$\frac{6}{11}$$ of k is $$\frac{8}{41}$$ , what is $$\frac{3}{11}$$ of k? _____/_____
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If $${2+\frac{3}{n}\over3+\frac{2}{n}}={\frac{5}{4}}$$, what is the value of n? _____/_____
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If ∠CFD = 85° , then what is the value of x? Note: Figure not drawn to scale
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In the diagram, AE = 20, AD = 14, CD = 6 and EB = 17. What is the length of line segment BC?
Note: Figure not drawn to scale.
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What is the area of the circle?
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In terms of x and y, what is the area of the shaded region?
Note: Figure not drawn to scale.
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What is the value of y?
Note: Figure not drawn to scale
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What is the value of x?
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If AD = 3x, AE = 5x, EB = y and DC = 5y, what is the ratio of the area of triangle DEC to the area of rectangle ABCD ?
Note: Figure not drawn to scale
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If the areas of the 4 squares are 50, 32, 18 and 12, what is the ratio of the small shaded portion to the area of the large shaded portion?
Note: Figure not drawn to scale
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In the figure below, ABC is a sector with center A. If arc BC has length 4π, what is the length of AC _____
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