Top answers

how do ratios work

ratios are just fractions not written in fraction form, for example 8:9 ratio just means the first value is 8/(8+9) and the second value is 9/(8+9)if a question says that in a ratio of green apples to red ap...
MS
Answered by Minahil S. • Maths tutor
3690 Views

How can I remember when each statistical test should be used?

At A-Level there are eight different statistical tests that you need to be aware of. Chi-square: Used for nominal data and independent groups, also used for nominal data and a correlation Sign Test: Nominal ...
Answered by • Psychology tutor
31868 Views

Solve this equation: x²-x-6=0

This equation can be solved by factorisation. Start off with brackets : (x )(x ) =0. We need two numbers that multiply to give 6 and add/subtract to give 1. Start off with 1 and 6. They multiply to give 6 bu...
ED
Answered by Eadaoin D. • Maths tutor
3757 Views

The perimeter of a right-angled triangle is 60cm. The lengths of its sides are in the ratio 3:4:5. Work out the area of the triangle.

Draw out a diagram of a right angled triangle. As the lengths of the sides of the triangle are in the ratio 3:4:5, start off by saying each side is 3cm (a), 4cm (b) and 5cm (c) respectively, with 5cm being t...
ED
Answered by Eadaoin D. • Maths tutor
6456 Views

How has the writer structured the text to interest you as a reader?

At the beginning of the text, Smith opens with a complex sentence which gives much detail about the setting. This allows the reader to become immediately immersed within the scene as the sensory description ...
CR
34534 Views