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When do you use the imperfect and when do you use the preterite tense?

Imperfect is used if you have done an event in the past over a period more than once. Preterite is used when the event has been and already finished in the past. Jugaba deporte en mi colegio - I played sport...
JR
Answered by Jack R. • Spanish tutor
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ABCD is a square of side 10 cm. Each side of the square is a tangent to the circle. Work out the total area of the shaded regions in terms of . Give your answer in its simplest form.

Here it's best to start this question off by drawing a diagram. Draw a square with each side having a length of 10cm and a circle which touches each side of the square only once (as eacn side of the square i...
BM
Answered by Benedicty M. • Maths tutor
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What’s the difference between a swash and a backwash?

The swash and backwash are both types of wave movement that influence the structure of a beach. The swash helps to build up the beach, loosing its energy and depositing its load of sand and silt onto the bea...
KA
Answered by Katie A. • Geography tutor
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Describe 2 characteristics of Baroque music.

Baroque composers such as Bach and used a variety of techniques in their work. A commonly used feature was the Ground Bass. This was a pattern, used in the bassline of a piece of music, that was repeated for...
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Answered by Alex B. • Music tutor
5683 Views

What is Pythagoras' Theorem and how is it used in exam questions?

Pythagoras' Theorem is an equation used to give us more information about right angled triangles. The theorem itself looks like this: a 2 +b 2 =c 2 where c = the hypotenuse (the longest side of the triangle,...
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Answered by Tutor96690 D. • Maths tutor
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