Top answers

Solve 5w – 3 = 3w + 15

You need to solve the question so this means you need to work out the value of w. To work out the value of w you rearrange the terms and make w the subject of the equation. Start with minusing 3w on both sid...
DH
Answered by Danielle H. • Maths tutor
9093 Views

Triangle PQR is a right angled triangle. PQ is the hypotenuse and is 5cm long and QR has length 3cm. What is the length of side PR? Show your working.

Pythagoras' theorem is used to calculate the lengths of the sides of a right angled triangle. The theorem is as follows : a 2 = b 2 + c 2 , where a is the length of the hypotenuse. The hypotenuse is the side...
KM
Answered by Khadija M. • Maths tutor
15210 Views

What is the difference between mutually exclusive and indepedent events?

Let's say that we have two events and we'll call them event A and event B. If these events were mutually exclusive then these events would not be able to occur at the same time. For example, if Real Madrid a...
CS
Answered by Callum S. • Maths tutor
6427 Views

Explain Hume's distinction between matters of fact and relations of ideas (5)

David Hume, an empiricist, separated knowledge into categories - "matters of fact" and "relations of ideas". Hume argues that every affirmation which is certain, such as geometry, arithme...
AE
Answered by Amy E. • Philosophy tutor
55788 Views

Using a case study, describe a successful sustainable transport scheme

In Freiburg, sustainable and efficient transport has been developepd with the introuction of 500km of cycle lanes. The significantly reduces CO 2 emissions in the city and encourages a sustainable method of ...
EH
Answered by Elysia H. • Geography tutor
3470 Views