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53 x 6 = 318320-318 = 2There are not enough coaches for the amount of people. 2 people would not be on a coach. 7 coaches are needed to ensure everyone has a seat on a coach.
Completing the square refers to the process of rewriting a general quadratic expression into the form of a(x+b)2 + c.For example we are asked ...
a2=b2+c2
You use the cosine rule when you have been given the length of two sides and an inclusive angle (the angle in between those two lines) or if you have been given the length of three sides.You use the sine ...
Step 1: Difference between each term is 3. As the difference is constant it means that the degree of n in the nth term formula must be 1 (i.e no n^2, n^3 etc.). As we are adding 3 to each successive term ...
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