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x=0.777...10x=7.77...9x=10x-x=7
9x=7so x=7/9so x=0.777...=7/9

This problem can be solved by using algebra and rearranging as follows:

Let x = 0.545454...
Then 100x = 54.545454...

If we then subtract x from 100x we g...

Mon passe-temps préféré est sans doute regarder les memes. Les memes me font rigoler et ils m'aident à me faire des amis. J'aime surtout les memes francophones parce qu'ils sont souvent sarcastiques et s'...

A derivative, in essence, is the gradient of a function at a point, usually denoted by dy/dx, or f'(x). It essentially means the rate of change of y with respect to x. As many functions are complex, we ca...

caro Giulio,Oggi ti vorrei raccontare come funziona la mia scuola. Le lezioni iniziano ogni mattina alle 8:30, e la giornata termina alle 16. Studio molte materie diverse: italiano, inglese, matematica, s...