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How should i go about answering the longer answer questions? (AS)

The longer mark questions require you to demonstrate two skills. The first is is an informative description of what is asked (AO1 marks) and/ or analysis and evaluation (AO2 marks). You gain AO1 marks from l...
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Answered by Luke W. • Psychology tutor
4290 Views

Expand and simplify (2x-2)(4x+6)

For this question the FOIL method can be used. FOIL stands for first, outside, inside, and last, and is used to make sure each term is multiplied by each other term. Firstly, multiply the first terms of each...
SA
Answered by Seren A. • Maths tutor
6789 Views

What are the main data structures that I can use in Python

The main data structures in Python are tuples, lists, and dictionaries. The main difference between them is that in tuples and lists the element order matters, while in dictionaries elements are associated t...
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Answered by Luca R. • Python tutor
2064 Views

How can I apply the chain rule for differentiation?

The chain rule needs to be applied when you are differentiating a function f of x with respect to a variable t, x is a function of (i.e. given f(x) and x(t), you want to calculate df/dt. To do so you will ha...
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Answered by Luca R. • Maths tutor
2113 Views

Could you please explain how does a general pulley system work and how I can solve problems associated with those?

Pulley systems allow for force transmission from one body to another or more. Intelligent pulley systems can be used to apply more force to a body of interest than that generated (by any power system or othe...
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Answered by Luca R. • Physics tutor
2309 Views