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Philip P.'s Resources

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720, 540, and 180 are the degrees of different flips or spins.  One full rotation = 360o.  720o = 360o*2= two full rotations 540o = 360o*1.5 = 1 1/2 rotations 180o = 360o*(1/2) = half a rotation

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Let s = team sack's score.  Since team tackle beat team sack by 7 points, team tackle scored s+7 points.  Their scores total 89 points, so let's add them:   s + s + 7 = 89   2s + 7 = 89   Solve for s.

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You didn't tell us what the problem is, but I'm guessing you want the expression factored.         4x3 + 28x2 + 7x + 49         (4x3 + 28x2) + (7x + 49)   Factor the greatest common factor...

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disjoint subsets (answer)

n(AUB) = n(A) + n(B) - n(A∩B)   Since the sets A and B are disjoint, n(A∩B) = 0.  Hence:   n(AUB) = n(A) + n(B) = 35 + 15 = 50   n((AUB)') = n(u) - n(AUB) = 70 - 50 = 20

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Given f(x) = x2 – 4x – 2 and g(x) = 2x2 + 4x + 9, find (f – g)(x).         (f-g)(x) = f(x) - g(x)         = (x2 – 4x – 2) - (2x2 + 4x + 9)         = x2 - 4x - 2 - 2x2...

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I'll do problem D) for you.  The others are done the same way.   D) 2/x + 6/(1/y)        = 2/x + 6y             (When you divide by a fraction (1/y), invert the fraction and multiply)       ...

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