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Bob earns £7.70 an hour, and he works 30 hours per week. If Bob has 28 days of unpaid holidays to take, how much does he earn in a year? Also will he be taxed? (Bob will be taxed if he earns over £10000 in one year)

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 to...
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Answered by Christopher Y. • Maths tutor
3534 Views

Solve 2x^2 + 6x + 4 = 0 for x using the quadratic formula.

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 le...
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Answered by Phoebe N. • Maths tutor
6406 Views

If f(x) = x^2 - x + 7, find f(3)

f (3) = (3) 2 - (3) + 7 = 9 - 3 + 7 = 13
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Answered by Sagar J. • Maths tutor
3779 Views

How do you find the integral of (2+5x)e^3x ?

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 multip...
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Answered by Olivia C. • Maths tutor
6342 Views

Can you explain the approach to solving IB maths induction questions?

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 N. ...
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Answered by Vlad B. • Maths tutor
2367 Views