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Increase £190 by 25%

There are two ways to work out the answer to this question. The first way involves first working out 25% of £190 and then adding this to your original £190. To calculate 25% of £190 we multiply 190 by 0.2...

Answered by Juliet F. • Maths tutor

5436 Views

How do I solve these two equations simultaneously: 7x+y=1 and 2x^2 - y = 3

These types of questions can sometimes throw people off due to the quadratic nature of the second equation but don't fret; we'll use a method called substitution to find the answer!

Firstly, we

Answered by Zacchaeus S. • Maths tutor

2739 Views

Find the nth term of the sequence 3,7,11,15...

We are searching for a rule that when we put in n (n represetning where the term is in the sequence eg. 3 is the first term so n will be 1) our output is the sequence above. This rule will most likely be ...

Answered by Joanna S. • Maths tutor

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Solve 5x - 2 < 3x + 11

5x - 2 < 3x + 11 --> 5x < 3x + 13 (Add 2) --> 2x < 13 (Subtract 3x) --> x < 13/2 (Divide by 2)

Answered by Christopher L. • Maths tutor

3811 Views

Solve the following inequality: 6x -3 > 3x + 9

First, we start by moving the x's all over to one side. These are our undefined variable and it is important to keep them together. To do this, we take away 3x from either side and we get:

3x - 3 &...

Answered by Callum B. • Maths tutor

5573 Views