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x/4 = cos(50o) x = 4cos(50o) x = 2.6cm (1dp)
The three main classifications of rock are igneous, sedimentary and metamorphic. Igneous rocks are produced by volcanic eruptions and form via the solidification of lava. Sedimentary rocks form via the er...
Particularly in an exam, breaking down the question helps us to understand what the examiners are looking for. We can then structure our answer in accordance. For example, in this question, there are vari...
An infinitive is the basic form of a verb, meaning 'to...' (for example 'to eat' or 'to dance'). In English, infinitives are two words long, whereas in French they are just one word, ending in 'er...
This question can be solved by many methods but the elimination method is the fastest one in this case. The unknown that will be eliminated is y. Equation 1 is multiplied by 2 to give 4x+6y=8. Since I ha...
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