Search our library of homework questions

Top answers

All subjects

All levels

What are the different kinds of nuclear radiation?

There are three kinds of nuclear radiation that you need to know for GCSE physics, and each is considerably different from the others. Firstly, alpha radiation: this is when a chunk of the nucleus is emit...

Answered by Matthew M. • Physics tutor

1889 Views

How do I get the eigenvalues, x, of a matrix, M, with eigenvectors, v?

To start off, let's write the equation involving these three objects: Mv = xv. Now, looking at the first form of the equation, we don't want any eigenvector to have all its entries be zero, or else the ei...

Answered by Matthew M. • Maths tutor

3861 Views

How many nucleotides code for an amino acid in protein synthesis?

THREE

Answered by Akaash B. • Biology tutor

2062 Views

Solve these simultaneous equations.....3a+2b = 17 and 8a-2b= 60

3a+2b = 178a-2b = 60We are going to solve this using the elimination method. This means that we are going to eliminate the variable (or letter) that has the same value in each equation. In this case it is...

Answered by Joel O. • Maths tutor

5070 Views

How many moles are there in 88g of carbon dioxide?

To work this out we need the equation:
Number of moles = Mass (in grams) / Mr (relative formula mass)
We know the mass of carbon dioxide already (88g). We need to work out the Mr of carbon dioxi...

Answered by Archie A. • Chemistry tutor

17504 Views