Top answers

All subjects
GCSE

Why does silver have a high melting point?

Silver contains strong metallic bonds (a lattice of positive ions surrounded by a sea of delocalised electrons) which require large amounts of energy to break, therefore has a high melting point.

RC
Answered by Rachel C. Chemistry tutor
7722 Views

In a class there are 57 students. Of these 32 study Spanish, 40 study German and 12 students study neither. How many students study Spanish but not German?

The best approach to this problem is using a Venn Diagram. The first step to solving this problem is calculating the number of students who study Spanish or German or both. In the question we are given th...

CD
Answered by Calum D. Maths tutor
4282 Views

What is the difference between mitosis and meiosis?

Simply enough, Mitosis creates two cells that have the same number of chromosomes and identical chromosomes to the original cell and Meiosis creates 4 cells that have half the amount of chromosomes that a...

BF
Answered by Benjamin F. Biology tutor
3684 Views

What's the best way to work out any percentage of a given number, e.g. 63% of 450?

The best way to approach this is to begin by working out what 1% of 450 would be:450 is 100% of 450So to work out what 1% of 450 is:450 ÷ 100 = 4.5Now we know th...

IW
Answered by Isobel W. Maths tutor
3370 Views

Simplify √(4x^8).

√(4x8) = √4 x √(x8) = 2 x (x8)1/2 = 2x4
Remember that (xn)p= xnp.

DS
Answered by Della S. Maths tutor
4761 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning