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How should I structure my essay in the A2 written paper?

Structuring an essay can be a very subjective thing, there are always a few basic rules to remember - especially when you're under the time pressures of an exam! Introduction - This is where you address the ...
AM
Answered by Alexandra M. • French tutor
2633 Views

Solve 3x^2 + 6x – 2 = 0 Give your solutions correct to 2 decimal places.

3x 2 + 6x - 2 = 0 When we have a polynomial with powers of x up to 2 (a quadratic equation) we can apply the quadratic formula : -b ± root(b 2 -4ac)/2a where your equation is in the form ax 2 + bx + c 0 so a...
MS
Answered by Maya S. • Maths tutor
9665 Views

Could you help me to understand how DNA replication works?

In order to answer your question let's separate replication process into steps. Step 1: Unwinding of double-stranded DNA The first step of DNA replication involves binding of helicase enzyme that unwinds and...
RK
Answered by Raminta K. • Biology tutor
2427 Views

Outline why a given mass of water has more internal energy than the same mass of ice at the same pressure?

To achieve maximum score, you are expected to define every term that you will use. Therefore in this case define internal energy (the sum of the potential and the (random) kinetic energy of the molecules of ...
BP
Answered by Balint P. • Physics tutor
3211 Views

How do I form the subjunctive tense and when do I use it?

Usage It is important to remember that, although in native Spanish the subjunctive tense is used in a huge range of different tenses (eg. pluperfect subjunctive, future subjunctive), for GCSE a grasp of the ...
GC
Answered by Grace C. • Spanish tutor
2965 Views