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Tatuaggi e lavoro Un recente studio ha dimostrato che avere dei tatuaggi, specialmente se sono visibili, riduce la possibilità di trovae un lavoro. Lo studio ha rivelato che la maggior pa...

Firstly, get both fractions to the same demonimator 3/4 X 5/5 = 15/20.   2/5 X 4/4 = 8/20

This makes the question become (15/20 + 8/20)² 

15/20 + 8/20 = 23/20

Therefore (23...

we have   cos (3x) = 0.5  (1) we know that in the interval between [-pi; pi] there are two values that satify the equation cos(y) = 0.5  (2) the two solutions are y=pi/3 and y=-pi/3 in this interval.  Mor...

Calcium carbonate undergoes thermal decomposition to form calcium oxide and carbon dioxide.

Calcium Oxide (CaO) can undergo an exothermique réaction with water to product Calcium Hydroxide, also kn...