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What is an algorithm?

An algorithm is a set of steps that can be followed to complete a task. There are lots of examples of algorithms that we follow or use in our everyday lives. Algorithms are used to solve the many problems th...
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Answered by Joshua Z. • Computing tutor
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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...
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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...
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Answered by Benedicty M. • Maths tutor
17506 Views

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...
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Answered by Katie A. • Geography tutor
32193 Views

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
5615 Views