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Find the coordinates and the point of intersection between the lines 8x + 7y = 11 and y = 5x + 2

Substitute y = 5x + 2 into 8x + 7y = 11 to get, 8x + 7(5x + 2) = 11This simplifies down to 8x + 35x + 14 = 11And further simplifies to 43x = -3 giving the solution x = -3/43Substituting the x solution back i...
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Answered by Adam R. • Maths tutor
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Explain the process of phagocytosis

Phagocytosis is a non-specific cellular defence mechanism by the body which is initiated when a pathogen invades the body and has antigens which are detected as antigenic or foreign – note that antigens are ...
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Answered by Sam R. • Biology tutor
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Write an ionic equation, with state symbols, to show the reaction of calcium with an excess of water.

Ca(s)+ 2H2O(l) ---> Ca2+(aq) + 2OH– (aq) + H2(g)
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Answered by Owais M. • Chemistry tutor
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What are the techniques used by the writer to arise the interest of the reader in terms of expression and discourse structure?

This question requires students to select examples of language use from a section of the text and comment on the effect the language use has on the reader. To answer this question one might need to think of ...
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Which chemical would have a higher boiling point 1,3-dimethylbutane or hexane

Hexane would have the higher boiling point, due to the fact it's unbranched unlike 1,3-dimethlybutane, hexane would have more surface contact and hence more London forces acting upon it. As a result it would...
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Answered by Talvin R. • Chemistry tutor
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