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How do I know whether to use passé composé or imparfait?

It can be tricky to tell - and sometimes it's even a matter of choice! However, there are some simple rules that you can remember. The passé composé is used for specific events - things that happened, like a...
SM
Answered by Sophia M. • French tutor
4438 Views

A and B are two points. Point A has coordinates (–2, 4). Point B has coordinates (8, 9). C is the midpoint of the line segment AB. Find the coordinates of C

Think about the x-coordinate and the y-coordinate separately. Starting with the x-coordinate: Find the difference between the two x-coordinates -2 and 8, which is 10. to find the mid-point, we need to half t...
GF
Answered by Gwen F. • Maths tutor
21757 Views

What is red shift?

You see colours due to the length of a wave of light. When a distant galaxy is moving away from us the wavelength increases due to the Doppler Effect (which you may have studied using the sound of a passing ...
CL
Answered by Carys L. • Maths tutor
4406 Views

Solve the two simultaneous equations: 2x - 5y = 11 and 3x + 2y = 7

Step One: Write the first equation and then write the second equation underneath. Label the first equation A and the second equation B. You can now see clearly that each equation contains an x component and ...
PL
Answered by Priya L. • Maths tutor
9564 Views

How do I remember when to use the perfect or the imperfect tense?

In French the imperfect tense is most often used when referring to a habitual action in the past, something that you used to do frequently, and to describe something that happened over an extended period of ...
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Answered by Margaux S. • French tutor
3214 Views