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Write out the two equations and label them 1 and 28x + 2y =487x+ 3y= 47The first aim is to get one variable (ie x or y) on both lines to equal each other. The easiest way to do this (keeping the numbers m...

Il y a nombreuses raisons pour lesquelles il y a un niveau haut de chômage en Europe de nos jours. Le problème est plus notable chez les jeunes. A cause des réalités sociales et économiques de nos jours e...

Expand sin(2x) to 2sin(x)cos(x) so you have 6(2sin(x)cos(x))sec(x). cos(x) and sec(x) cancel out so the expression becomes 12sin(x) + 5cos(x). compare this to the expanded version of Rsin(x+a) which is Rs...

The student should adress these 3 main forms: Traditional Great Power Rivalry (using the establishment of sphere's of influence at the Yalta and Tehran conferences as well as Soviet fears of invasion post...

Darius had fled from the battle of Gaugamela and been pursued by Alexander and his Companions until he had to return to help Parmenio in the battle. Alexander lost him and continued to Babylon. Later he l...