Top answers

You have a list of numbers: 1, 45, 81, 40, 7, 8, 14, 23, 7, 4. Calculate the mode, median, and mean.

Mode is the value that occurs most - which is 7. Median - put numbers in numerical order and find the middle number, which is 11. Mean is the average value so add up all the numbers and divide by the total a...
IC
Answered by Isabelle C. • Maths tutor
3876 Views

How do waterfalls form?

Waterfalls form when a river flows over an area of softer rock after flowing over an area of harder rock. Due to the softer rock being more easily eroded than the harder rock, the soft rock undercuts the har...
LT
Answered by Lucy T. • Geography tutor
5808 Views

What makes a strong exam essay? Tips for structuring essays in exams.

It can be daunting to consider how to structure your exam essay when you are sat in timed conditions, and most likely are feeling very nervous. However, it doesn't have to be as daunting as it seems. The key...
CB
Answered by Cara B. • English tutor
2634 Views

Differentiate with respect to x: F(x)=(x^2+1)^2

To differentiate composite functions, (a function within a function) like in this case we need to use the chain rule. We can see that F(x)=f(g(x)) where we let f(x)= (x^2+1)^2 and g(x)= x^2+1. To use the cha...
LG
3897 Views

Synapses are an important part of the nervous system. What is a synapse? Describe how information passes through a synapse.

A synapse is a junction between neurones. Description of a synapse being a small gap between two neurones. Synapses use chemical messengers to pass an impulse of electrical depolarisation from one neurone to...
BG
Answered by Bethan G. • Biology tutor
5808 Views