Search our library of homework questions

Top answers

All subjects

All levels

Solve the simultaneous equations y = x^2 +3x and y = x+8

Because both of the equations are equal to y, the first thing we do is make them equal to each other:x^2 + 3x= x + 8We then want to rearrange the equation so that everything is on the same side of the equ...

Answered by Jessica W. • Maths tutor

3902 Views

Explain one benefit of providing induction training for employees (3 marks).

Induction training enables new recruits to learn the business procedures their organisation follows, meaning they will be less likely to make mistakes and become productive employees as quickly as possibl...

Answered by Lauren W. • Business Studies tutor

4718 Views

Explain and discuss the causes of MSLR (Mean Sea Level Rise)

This question draws on knowledge from the IB Topic : Consequences of Global Climate Change- Sea level section. Tip- Impress your examiner by showing awareness of how the causes of sea level rise are very ...

Answered by Jordi B. • Geography tutor

2170 Views

Solve the equation 2log (base 3)(x) - log (base 3)(x+4) = 2

First express as a single logarithm as follows. The number in front of the logarithm remembering log rules can be rewritten as the power of the number in the bracketsSo rewriting the LHS
log₃

Answered by Theranjit S. • Maths tutor

8201 Views

Show that the set of real diagonal (n by n) matrices (with non-zero diagonal elements) represent a group under matrix multiplication

We must show that the set satisfies the group requirements: Identity, Closure, Associativity and Invertibility.Identity: Contains identity matrixAssociativity: Follows from the rules of matrix multiplicat...

Answered by Nishil P. • Further Mathematics tutor

2539 Views