Top answers

Solve these simultaneous equations and find the values of x and y. Equation 1: 2x + y = 7 Equation 2: 2x - y - 4 = 4 – x

Simultaneous equations are two equations with two unknowns. And they can be solved by either elimination or substitution method.For this example, we will use the elimination method. First of all to make it e...
AC
Answered by Ashwin C. • Maths tutor
4460 Views

What is the best way to provide quotation evidence in my essays?

Within English Literature, most exam boards are looking for evidence that is thoughtful, relevant, and embedded within the sentence. Keeping this in mind, at A-level an ideal length for quotes used to back u...
SM
4747 Views

The genetic code is the sequence of bases in DNA, which is found in chromosomes and is made up of double stranded polynucleotides. Explain what is meant by the term “double-stranded polynucleotide” in relation to DNA.

It is known as double-stranded as there are two strands of DNA joined by hydrogen bonds between the bases and polynucleotide refers to the fact that there are many nucleotides joined by phosphodiester bonds.
AT
Answered by Abishan T. • Biology tutor
2878 Views

How do I write an essay under exam conditions, effectively planning my time?

The key to this begins with spending time reading the question carefully, making sure you understand what it is that is being asked of you. For example, if the question states ‘In light of this quotation’, m...
EL
4272 Views

How do I write and structure a good essay?

The key to writing a good essay is a clarity in structure that you follow throughout your writing. Laying this out in the introductory paragraph will help both you and your reader understand where you want t...
EL
4580 Views