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Time, T, is measured in tenths of a second with respect to distance x, is given by T(x)= 5(36+(x^2))^(1/2)+4(20-x). Find the value of x which minimises the time taken, hence calculate the minimum time.

To solve this problem we first must look into the given formula for time (T). It is stated, in the question, that the time taken is dependent on distance x. From this we can infer that the following problem ...
AH
Answered by Aziz H. • Maths tutor
4072 Views

Explain the different situations in which you would use ‘por’ and in which you would use ‘para’

Para: Tiempo futuro próximo (near future time): Tengo que terminar este trabajo para el día Opinión (opinion): Para mí, lo mejor de inglaterra es la educacion - Destinatario (to a person) : ¿Te gusta esta ca...
RS
Answered by Rachel S. • Spanish tutor
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Explain the features and differences between the icehouse and the greenhouse effect?

The globe can experience periods of warming, such as we are experiencing now in the Quaternary period, or it can experience cooling periods leading to ice ages, such as at the Ordovician-Silurian boundary. A...
AL
Answered by Annabel L. • Geology tutor
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When should I use "tu" and when should I use "vous"?

Unlike in English, there are two ways of saying " you " in French.Most of the time, when talking to someone, you will use " tu ". This is normally used when talking to friends, family or ...
JB
Answered by James B. • French tutor
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"The criticisms of the Ontological Argument are very strong" Assess this claim.

The criticisms of the ontological argument vary immensely in strength. It can be argued that the strongest criticisms come from Aquinas, Descartes and Hume in their criticisms of the definition of God. The c...
LW
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