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what is a good method for revising for english or prepping for an exam?

For English, it is key to not get overwhelmed with memorising poems or passages from the texts that you're studying. Make sure you have read through any texts that you are covering at least twice and annotat...
AS
3885 Views

One of the teachers at a school is chosen at random. The probability that this teacher is female is 3/5. There are 36 male teachers at the school. Work out the total number of teachers at the school.

So we know that 3/5 teachers in the school are female, and we also know that 36 teachers are male. The first thing to note is that if 3/5 are female, that leaves 2/5 to be male. This is because all of the po...
EA
Answered by Ellen A. • Maths tutor
3370 Views

When do you use the perfect tense as opposed to the imperfect tense?

In general, the imperfect tense is used to describe uncompleted actions whereas the perfect tense is applied when an action is complete. The imperfect explains what happened with no reference to specific tim...
PM
Answered by Phoebe M. • French tutor
2498 Views

Describe the difference between the function of an effector and receptor, giving an example of each.

Receptors are specialised cells used to detect, stimuli or even convert stimulus in to an impulse. They are usually found in sense organs like the eye, which has light sensitive receptors known as retina, it...
HL
Answered by Hadijat L. • Biology tutor
9413 Views

Differentiate sin(x)cos(x)

let sin(x)=u , let cos(x)=v du/dx = cos(x), dv/dx = -sin(x) d[sin(x)cos(x)]/dx = v.du/dx + u.dv/dx = cos^2(x) - sin^2(x)
JD
Answered by James D. • Maths tutor
5381 Views