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why don't we all program in high level languages all the time if they are so much easier?

High level languages may seem easier to use when you start programming but they do not offer the same degree of flexibility and efficiency which can be provided by using assembly or machine code. using these...
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Answered by Thomas G. • Computing tutor
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How do I know which substitution to use if I am integrating by substitution?

It is not just trial and error, as this will eat away time in the exam. if you can't see it straight away then you need to consider some things. for example a common question might be find the integral of (3...
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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...
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Answered by Jonas V. • Maths tutor
4466 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
2508 Views

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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