Search our library of homework questions

Top answers

All subjects

All levels

There are 6 orange sweets in a bag of n sweets. Hannah picks two sweets at random without replacement, and they are both orange. Show that n^2-n-90=0

This is a multi step question that requires both good understanding of probability and maniuplating algebraic fractions.PROBABILITYThe first step is recognizing that as there are 6 orange sweets out of a ...

Answered by Ben N. • Maths tutor

2781 Views

Solve the simultaneous equations. 2x + y =10 and x + y = 4

We should eliminate one of the variables. We do this by writing them on top of one another.3x + y = 10x + y = 4 -
2x = 6 We want to know what X is and what Y is. We currently know what 2x is...

Answered by Grace N. • Maths tutor

5733 Views

What are the types and effects of genetic mutations?

Insertion/deletion - one or more nucleotide pairs are put in/taken out of a sequence -> causes frameshift. Duplication - one or more bases are repeated -> leads to ...

Answered by Zofia K. • Biology tutor

2388 Views

How does Orwell use 'allegory' in 'Animal Farm'?

It is always wise to open an answer on literary device with a definition. Allegory refers to a narrative or section of writing which 'conceals' or 'symbolizes' a parallel or secondary meaning. Then, refer...

Answered by Joel L. • English Literature tutor

5576 Views

Durante tus vacaciones en España escribes un blog para describir tus experiencias. Menciona: • un día de las vacaciones cuando tuviste problemas • un festival en España en que te gustaría participar. Escribe aproximadamente 150 palabras en español.

En mi viaje a España, visité Málaga. Málaga es una preciosa ciudad en el sur de España. Estuve allí durante 10 días y me dio tiempo a hacer muchas cosas. En el primer día de visitas, fui a la playa a pasa...

Answered by Marta M. • Spanish tutor

2529 Views