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How do I use 'y' in French?

One of the more daunting aspects of the French language is its use of monosyllabic words which can change the sense of an expression. Perhaps the most prevalent of these are 'y'. Often used to replace mor...

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Answered by Celia C. French tutor
3567 Views

Differentiate 5x^2 + 11x + 5 with respect to x

The simple rule of thumb applied to differentiation can be used in this example - 'Multiply each term by its power then reduce the power by one'. Doing this 5x^2 becomes 25x^(2-1)=10x. Repeating for 1...

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Answered by Sam L. Maths tutor
4289 Views

The Ultimate Guide to Accents in Spanish

Because we do not use them in English spelling, using accents (or as we call them in Spanish- acentos or tildes depending on where you're from) can seem quite daunting at first. The following is a guide o...

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Answered by Celia C. Spanish tutor
20730 Views

Why does the equation for gravitational potential energy give a negative value if energy cannot be negative.

The equation is shown below as found in the IB Physcis Data Booklet.

GPE = -GMm / r

Where GPE is gravitational potential energy, G is the gravitational constant, M and m are the mas...

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Answered by William L. Physics tutor
6103 Views

Rearrange, 5(a + b)= 2ab , to make 'a' the subject

The question is asking for 'a' to be the subject and therefore our aim is to result in an answer with the form 'a='. The first step is to expand the brackets on the left hand side by multiplying 'a' by 5 ...

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Answered by Meera M. Maths tutor
11153 Views

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