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Where do I start with poetic close analysis?

The tool that revolutionised the way I learned for A-Level English is one I wish I'd learned earlier. First of all, try to put all pre-conceptions you have of the piece aside. These are useful once you've bu...
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Answered by Sarah H. • English tutor
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How to factorise a quadratic with a coefficient of x^2 greater than one, for example 4x2+4x-15?

Firstly, label each coefficient: coefficient in front of x2 “a”, is equal to 4. “b” is the coefficient in front of x is equal to +4 “c” is equal to -15 The procedure for factorising starts with working out t...
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Answered by Bhavin S. • Maths tutor
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The circle c has equation x^2 + y^2 = 1. The line l has gradient 3 and intercepts the y axis at the point (0, 1). c and l intersect at two points. Find the co-ordinates of these points.

The first step would be to form an equation for the line l. Using y=mx+c, and the information provided in the question, the equation for line l is y=3x+1. To find the coordinates of where c and l intersect, ...
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Answered by Dilan P. • Maths tutor
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What is the atomic number of an atom and How many electrons are there in an atom of Nitrogen when it has an atomic number of 7?

The atomic number is equal to the number of protons in an atom. The number of protons in an atom is equal to the number of electrons in an atom so the number of electrons in nitrogen is 7 electrons
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What is the difference between Pretérito Perfecto (preterite tense) and Pretérito Imperfecto (imperfect tense)?

The preterite tense (or pretérito perfecto) refers to an event that occurred once in the past, whereas the imperfect tense (pretérito imperfecto) refers to an event that occurred continuously or more than on...
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Answered by Alma O. • Spanish tutor
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