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Work out 7/8 × 3/4

To solve this question we first need to multiply the top part of the two fractions together to get the top part of the answer: 7×3=21. Then we need to multiply the bottom part of the two fractions together t...
LH
Answered by Louise H. • Maths tutor
6291 Views

What is the difference between GDP and GNI and how should I compare them?

The difference between GDP (Gross Domestic Product) and GNI (Gross National Income), lies in the distinction between the notions of ‘national’ and ‘domestic’. GDP measures all output produced within the bord...
MP
Answered by Marco P. • Economics tutor
12796 Views

A curve has equation y=2x^3. Find dy/dx.

We differentiate here to find the gradient, dy/dx, i.e. the differenitial of y in terms of x. As the right handside is purely dependant on x, this is simple. We can just multiply through by the power, i.e. 2...
CT
Answered by Claire T. • Maths tutor
5326 Views

Why are there 2 past tenses in Spanish? How do I remember the difference between them?

First of all, that's a great question, because knowing the difference between the 2 past tenses in Spanish is really important! Firstly, let's think about why there are 2 different tenses, or what the need i...
SK
Answered by Sian K. • Spanish tutor
4982 Views

How does the body respond following a meal to ensure a relatively constant blood sugar level?

After a meal blood sugar levels will rise. In the Islets of Langerhans beta cells detect hyperglycaemia and secrete insulin, while alpha cells stop releasing glucagon. The insulin moves in the blood stream t...
CJ
Answered by Cameron J. • Biology tutor
3262 Views