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Find the inverse of y = (5x-4) / (2x+3)

the aim of finsing the inverse is making x the subject. To start we need to multiply both sides by: (2x+3), giving us: y(2x+3) = 5x-4 now we need to expand the brackets: 2xy +3y = 5x-4 now gather all the x c...
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Answered by Xuanyi A. • Maths tutor
6515 Views

Are there any minuses to economic growth?

Growth is typically considered great - improvement in GDP per capita, incomes and living standards. However, if asked in the exam, there is something for you to mention. Firstly, consider nature of growth. I...
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Answered by Julia L. • Economics tutor
3567 Views

Describe the structure of proteins

Proteins are polymers of amino acids, formed by long chains of amino acids joined together by peptide bonds. These bonds are formed by condensation reactions which allow two single amino acid molecules to jo...
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Answered by Jena H. • Biology tutor
65503 Views

Why the Newton's second law of motion important?

Newton's Second Law of Motion F=ma is very important because it shows the relationship between forces and motion. It allows you to calculate the acceleration (and therefore velocity and position) of an objec...
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Answered by Saeed G. • Physics tutor
52810 Views

I don't understand the Subjunctive tense

Try to think of the subjunctive as a feeling/mood/sentiment instead. A tense is an action whereas the subjunctive is a feeling... it is also used to express doubt/uncertainty whereas other tenses are facts. ...
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Answered by Joe F. • Spanish tutor
2257 Views