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How do you know when to use the perfect past or the imperfect?

The imperfect is used when referring to description, a constant state of mind, an interrupted action, an action that has no indication of when it started or ended and an action that was done in the pas...

IM
Answered by Isabella M. French tutor
1738 Views

Prove that (2n+3)^2-(2n-3)^2 is a multiple of 8 for positive integer values of n

To prove that (2n+3)2-(2n-3)is a multiple of 8 we are going to deal with the first bracket and then the second bracket. When a bracket has next to it, this means that ...

SD
Answered by Sioned D. Maths tutor
22534 Views

solve sin(2x)=0.5. between 0<x<2pi


1)Take the inverse sin to take x from the sin(2x):

2x=arcsin(0.5).

2)Evaluate arcsin(0.5) to get pi/6:

so 2x= pi/6

3)Dividing by 2 to simp...

YZ
Answered by Yinglan Z. Maths tutor
22726 Views

What does it mean when we say childhood is a 'social construct'?

We know childhood as the time we spend as an infant when we are dependent on our parents and naïve to ‘adult’ concepts such as sex, war and suffering.

A social construct ...

AW
Answered by Alice W. Sociology tutor
37290 Views

What is the difference between compliance and internalisation?

Both are types of conformity, which is when we change our behaviour to fit in with the majority group. The main distinction between compliance and internalisation is whether or not our...

AW
Answered by Alice W. Psychology tutor
18916 Views

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