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about to only mathematics

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In a certain collage, the ratio of mathematics majors to English majors is 3:8. If in the following school year the number of mathematics majors increase 20%, and the number of English majors decrease 15%, what is the new ratio of mathematics majors to English majors?

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72% of 25 students are good in mathematics. How many are not good in mathematics?

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check whether it is statement or not .Do you like mathematics ?

ALLEN-COMPOUND ANGLES-EX-02

If x +y= 3-cos4theta and x-y=4sin2theta then
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If tan B=(n sin A cos A)/(1-n cos^(2)A), then tan(A+B) equals to
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Prove that: sin, (2pi)/7 + sin, (4pi)/7 +sin, (8pi)/7 = sqrt(7)/2
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If cos alpha=(2cos beta-1)/(2-cos beta) then tan (alpha/2) is equal to
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If (cos3x)/(cosx)=1/3 for some angle x,0<=x<=pi/2 then the value of (s...
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If (5pi)/(2)ltxlt3pi, then the value of the expression (sqrt(1-sinx)+s...
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If AD is the altitude on BC and AD produced meets the circumcircle of ...
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The exact value of (96sin80^0sin65^0sin35^0)/(sin20^0+sin 50^0+sin 110...
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The value of cotx+cot(60^@+x)+cot(120^@+x) is equal to
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The value of cosec(pi/18)-sqrt3sec(pi/18) is a
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If tan x+tan y = 25 and cot x+ cot y = 30, then tan(x+y) equals to
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If cos(alpha+beta) + sin(alpha-beta) = 0 and 2010tanbeta - 1 = 0 then ...
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In a right angled triangle the hypotenuse is 2sqrt(2) times the perpen...
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The value of cot7(1^0)/2+tan67(1^(@))/2-cot67(1^(@))/2-tan7(1^0)/2 is
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about to only mathematics
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Consider the polynomical P(x) = (x - cos36^(@))(x - cos84^(@))(x - cos...
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Consider the polynomical P(x) = (x - cos36^(@))(x - cos84^(@))(x - cos...
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Consider the polynomical P(x) = (x - cos36^(@))(x - cos84^(@))(x - cos...
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Two parallel chords are drawn on the same side of the centre of a circ...
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