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Pendant mes vacances, je suis allée en Espagne avec ma famille. L’hôtel était magnifique, tout au bord de la mer, et chaque jour j’ai nagé avec mon frère avant de faire la sieste. J'ai adoré la vacance et...

A good example is smoking. Most people know that smoking is bad for their health, however, they still smoke. This separation between beliefs and behaviour is cognitive dissonance. It is often described as...

If d is directly proportional to the square of t, we write this as d= kt² , where k = the proportionality constant which we must find. Substitute in the values given in the question into our e...

This question asks us to find the cartesian equation of l.
First we must find the points P and Q. To do this we substitute t with 1/4 to find P and substitute t with 2 to find Q.Doing this we get the...

A parametric equation is where both x and y are expressed separately, in terms of a parameter (t). In order to differentiate them we must use the chain rule, which here would be dy/dx= dy/dt ÷ dx/dt. The ...