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What is tonality?

Tonality describes what key a piece is in or what tonal relationships are used. When asked to talk about tonality you should discuss whether the key is major or minor and the different modulations used durin...
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Answered by Alice H. • Music tutor
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Solve the simultaneous equations 3x + 4y = 17 and 4x + y = 14

Eq1: 3x + 4y = 17 Eq2: 4x + y = 14 Eq2 x 4: 16x + 4y = 56 Subtract Eq1 from this to isolate x: 16x + 4y - 3x - 4y = 56 - 17 Simplify: 13x = 39 Solve for x: x = 3 Substitute x into Eq1: 3(3) + 4y = 17 9 + 4y ...
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Answered by David H. • Maths tutor
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Why is the heart known as a double pump?

The heart is known as a double pump becasue each half pumps blood around a different circulation system. The right side pumps blood to the lungs, while the left side pumps blood around the body.
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Answered by David H. • Biology tutor
64663 Views

How can I make the difference between the 'passé simple' and the 'imparfait'

The 'passé simple' is a tense for a past, finished action whereas, the 'imparfait' is used to describe an action in the past, longer and maybe unfinished. Passé simple is a precise moment whereas Imparfait i...
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Answered by Florence B. • French tutor
7312 Views

I don't understand what exactly a mole is, could you please explain it to me?

Basicallly a mole refers to a number, in the same way as a dozen also refers to a number, this number being 12. Except instead of 12, the word mole refers to the number of 6 x 10 23 , which is basically a 6 ...
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Answered by Andrea P. • Chemistry tutor
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