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28 days holidays is equivalent to 4 weeks holiday. So in total works for 48 weeks. Now Bob works 30 hours per week, multiply this by 48 giving 1440 hours for his working year. So in order to solve for his...

When you look at the question you can see that you have been given a quadratic equation. These tend to come in the format ax^2 + bx + c = 0. Remember it may not always be x, it could be y or z, or another...

f (3) = (3)² - (3) + 7
= 9 - 3 + 7
= 13

If we were to expand the brackets for this question we might be able to get to an answer however there is a much simpler way of solving the problem. As this question is made up of two expressions of x mul...

Proof by maths induction is a type of proof used in mathematical analysis to demonstrate that a certain expression or statement P(n) involving an arbitrary neutral number n is true for all n belonging to ...