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How can I figure out the key of a piece?

When we discuss KEYS in music we must always look at one thing: the KEY signature. This is the bit on the first line, next to the clef (Treble, Bass, Alto or Soprano). You'll notice this as it will have S...

SC
Answered by Shaun C. Music tutor
3721 Views

Experiment results show that butane has a higher boiling point than propane, explain why.

When simple molecular substances such as a hydrocrabons are boiled, the intermolecular forces between the molecules are broken down. Heat energy is required to break down these forces. Butane is larger th...

RK
Answered by Ryan K. Chemistry tutor
22687 Views

What is the difference between 聞く and 聴く?

Sometimes in Japanese, there are characters that basically mean the same thing, and have the same reading, but are used in different contexts. 聞く (きく) means to hear, or ask, and is...

EM
Answered by Emily M. Japanese tutor
2658 Views

What is a "concrete noun"?

A Concrete Noun is a word that signifies something that can be seen, heard and touched in the real world. For example; table, lamp, desk, and pen, are all concrete nouns.  

EM
11856 Views

Let y = 4t/(t^2 + 5). Find dy/dt, writing your answer in it's simplest form, and find all values of t for which dy/dt = 0

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