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What is the solution to the system of equations defined by (1) x+2y = 4 and (2) y+2x = 6?

We rearrange equation (1) to obtain an expression in terms of x. We then substitute this expression in place of x in equation (2), rearranging to find the numerical value of y. This value of y can then be su...
JH
Answered by Jake H. • Maths tutor
3864 Views

What is the value of the integral of e^x from x = 1 to x = 2?

As the derivative of e^x is e^x, so is the integral (plus some constant). As we wish to find the value of the integral from x = 1 to x = 2, we substitute x=2 into e^x, and from that we subtract e^x with x=1....
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Answered by Jake H. • Maths tutor
4715 Views

What is the difference between a Magistrates Court and a Crown Court?

It is helpful to know here that both of these courts are for criminal purposes. A Magistrates court will typically be used for smaller crimes such as not paying your speeding fine or being caught with drugs,...
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Answered by Lily O. • Law tutor
27517 Views

When do you use the present subjunctive in spanish?

The most important thing to remember is that the present subjunctive (and past) is a mood rather than a tense. It doesn't refer to the time at which an action takes place but instead is used in impersonal ex...
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Answered by Emma W. • Spanish tutor
6846 Views

I'm worried about my oral exam, what advice can you give me?

Having done my GCSE and A Level speaking exams not too long ago, I remember the feeling of sheer panic! I was terrified and nervous but I survived it. The trick is to try your very best to stay calm and coll...
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Answered by Luke S. • French tutor
7640 Views