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Solve simultaneous equations x + y = 3 and -3x + 5y = 7

The first equation can be multiplied by 3 to give 3x + 3y = 9. Then these two equations can be added by summing both left hand sides and both right hand sides to obtain the new equation 3x + 3y - 3x + 5y = 9...
JV
Answered by Jonas V. • Maths tutor
4517 Views

How do you form the future tense in German?

Begin with either a pronoun (Ich, Du, Er etc) or a noun (Der Hund) Use the relevant conjugation of 'werden' Add an infinitive at the end (e.g. gehen) Examples: Ich werde ins Kino gehen- I will go to the cine...
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Answered by Becky B. • German tutor
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Crude oil has to be separated into fractions to be useful. How is this done?

Crude oil has lots of molecules with different numbers of carbon atoms in them. A fractional distillation column is used to separate the molecules. It is hottest at the bottom and coolest at the top. Bitumen...
TD
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What are important stages of preparation for an upcoming performance?

There are multiple things you can do to prepare for an upcoming performance: Practise This may seem like an obvious thing, but there is a lot to consider when it comes to rehearsing for a musical performance...
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Answered by Becky B. • Music tutor
1132 Views

State 4 different terms for describing musical texture and define them:

Possible answers: Homophonic: A homophonic texture means that the various lines of music (perhaps played by different instruments or voices), are all moving together, so the texture is chordal, and literally...
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Answered by Becky B. • Music tutor
6725 Views