Find the exterior angle of a 12 sided regular polygon
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2008
In the diagram above, PQ//Rs. The size of the angle marked x is
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2008
A binary operation on the real set of numbers excluding -1 is such that for all m, n ∈ R, mΔn = m+n+mn. Find the identity element of the operation.
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2008
A binary operation * is defined on the set of positive integers is such x*y = 2x-3y+2 for all positive integers x and y. The binary operation is
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2008
The fifth term of an A.P is 24 and the eleventh term is 96. Find the first term.
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2008
Solve the quadratic inequalities x2 - 5x + 6 ≥0
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2008
If p = varies inversely as the square of q and p=8 when q=4, find when p=32
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2008
If x - 3 is directly proportional to the square of y and x = 5 when y =2, find x when y = 6.
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2008
Factorize complete;y (4x+3y)2 - (3x-2y)2
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2008
If 2x2 - kx - 12 is divisible by x-4, Find the value of k.
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2008
Make Q the subject of formula when \(L=\frac{4}{3}M\sqrt{PQ}\)
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2008
A book seller sells Mathematics and English books. If 30 customers buy Mathematics books, 20 customers buy English books and 10 customers buy the two books, How many customers has he altogether.
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2008
If X = {n2 + 1:n = 0,2,3} and Y = {n+1:n=2,3,5}, find X∩Y.
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2008
If \(\frac{1+\sqrt{2}}{1-\sqrt{2}}\) is expressed in the form of x+y√2 find the values of x and y