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How do you form the Perfect Tense? (passé composé)

The 'Perfect Tense' is made of two parts: The 'AUXILIARY' (form of avoir/ être) + the 'PAST PARTICIPLE' You pick the auxiliary according to the subject (ie. if you want to use 'nous' then the auxiliary will ...
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Answered by Isobel D. • French tutor
2296 Views

Sean drives from Manchester to Gretna Green. He drives at an average speed of 50 mph for the first three hours. He then breaks and drives the final 150 miles at 30 mph. Sean thinks his average speed is 40 mph ,is he correct?

This is a relatively complicated mechanics question requiring the student to put aside their initial assumption and work with the actual meaning of average speed. In order to do this the student must find ou...
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Answered by Adam B. • Maths tutor
7207 Views

Why did Communist Russia win the Russian Civil War?

When assessing this question, it is worth taking into account the natural resources and geographic factors which gave Lenin's government an inherent advantage. A good starting point for this is that the terr...
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Answered by Daniel R. • History tutor
3431 Views

A square is placed in a circle of area (49π)cm^2 such that all four vertices of the square lie on the circumference of the circle. What is the area of the square?

It's always helpful to draw a diagram beforehand.Since we know the area of the circle is (49π)cm 2 , we can work out the radius using A=πr 2 . Rearranging, we get r = 7cm. Add this information to our diagram...
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Answered by Karnan S. • Maths tutor
5575 Views

Make x the subject of the formula y=(4x+5)/x

xy=4x+5 xy-4x=5x(y-4)=5x=5/(y-4)
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Answered by R P. • Maths tutor
5425 Views