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What important things should one consider when writing a melody?

Firstly, consider the shape of your melody - this is the most memorable aspect.Secondly, when combining a melody with chords, make use of tension and resolution around chord changes. A note which is a chord ...
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Answered by Michael B. • Music tutor
4632 Views

How do I find the roots of a quadratic equation?

A quadratic equation has the form ax 2 + bx + c Our goal is to find values of x such that ax 2 + bx + c = 0These values of x are known as the "roots" of the quadratic. Exercise: Find the roots of x...
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Answered by Zach T. • Maths tutor
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Explain the lock and key model of enzyme action, including how they are denatured. [6 marks]

The first step is to read the question and ensure that the student understands all of the terminology. For example, make sure the student knows what is meant by ‘explain’, ‘enzyme’, and ‘denatured’. Then the...
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Answered by Bryony H. • Biology tutor
13439 Views

What are the different types of renewable energy sources?

There are various renewable energy sources in existence which utilize the natural resources of the planet, such as wind, sun, biomass, wave power, geothermal. The energy produced varies considerably, and it ...
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How do you work out the median of a set of numbers?

The median is the middle number of a set of ordered numbers, i.e. halfway along. To find the median of the data set you should arrange the numbers into order, lowest to highest. Count equally from both ends ...
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Answered by Lydia K. • Maths tutor
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