xetaalpha
xetaalpha
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November 24, 2010
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Asked a Question in Math
What is the equation of the perpendicular bisector of the line between (6, 3) and...
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Solve the following equations using Matrix Method : 4x + 6y = 9 , 3x + y = 1
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A missile is fired at 840 m/s at an angle x to the horizontal. Prove that its...
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What is the absolute value of: (1 + i) (6 + 2i)/ (4 + i) (9 + 3i)
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The average age of a group of 10 men is 20. When 2 men join the group it increases...
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If 9x^2 + 12xy + 4y^2 = 49, what is one integral value that the numbers x and y...
Asked a Question in trigonometry math
What is tan(pi/ 7) + cot(pi/2 - pi/6) / (1+ tan(-pi/7)*tan(pi/6))
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A boy can throw a ball in a box with a probability of 1/4. What is the probability...
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What are x and y if (8x + yi) / (1 + 4i) = (2x + i)/ (3 + 2i)
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It isn't? Even after Lehman, the economic collapse, and all that we're going...
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If one root of the quadratic equation ax^2 + 8x + 12 = 0 is twice the other, what...
Asked a Question in Grammar
What is the grammatical error in the following sentence: "That, in itself, can be...
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What are the values of a and b if the area of the triangle formed by the lines ax...
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The two lines 4x + by = 3 and ax + 7y = 1, intersect at the point (2, 3). What is...
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What is the sum of all numbers divisible by 13 and smaller than 100.
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Asked a Question in Math
Can the root of a polynomial P(x) =3x^3 - 10x^2 - 5x be equal to -2/3?
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What is the value of x and y if the point (x, y) is equidistant from (3, 6) and...
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