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What is the tonality and harmony of Chopin's 'Raindrop' Prelude No.15 Op.28?

Tonality:
Tonic key: Db major in Section A. Modulation to C# minor, the enharmonic tonic minor, in Section B. Repeat of Section A, Db major.

Harmony:
Mainly diatonic, with some/occasion...

JB
Answered by Jodie B. Music tutor
5596 Views

Find values of y such that: log2(11y–3)–log2(3) –2log2(y) = 1

NB.: Treat all log as log2 for purpose of formatting log(x) - log(z) = log(x/z) alog(b) = log(b^a) log((11y - 3)/3) - log(y^2) = 1 log((11y - 3)/3y^2) = 1 11y - 3 / 3y^2 = 2^1 11y - 3 = 6y^2 6y^2 - 11y + ...

SA
Answered by Shrinivas A. Maths tutor
4977 Views

Describe the events that take place at the synapse that enable transmission of a nerve impulse.

An action potential arrives at the synapse, triggering Ca2+ channels to open. This in turn triggers vesicles holding neurotransmitter to fuse with the presynaptic membrane, releasing the neurotransmitter ...

SA
Answered by Shrinivas A. Biology tutor
18343 Views

An electric heater has a power of 1000W. It is connected to mains electricity (230V). The heater is equipped with an Earth wire. a) Calculate the current in the heater. b) Explain the role of the earth wire as a safety feature.

a) Use the equation P=IV where P is power in W, I is Current in Amps and V is voltage in volts. Rearrange to give I=P/V I=1000/230 = 4.34 A b) This is a wire connected to the metal casing of an electrical...

KS
Answered by Katie S. Physics tutor
14378 Views

How do you add and multiply surds?

When you add and subtract surds, the numbers inside the square root must be the same. You add/ subtract the number outside the square root. e.g. 2√5 + 7√5 = 9√5, however 2√5 + 7√3 cannot be added. when yo...

GC
Answered by Grace C. Maths tutor
67561 Views

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