Question

media aritmetica a nr 3,75 si 4,25 este aga la cu:

Answer 1

3.75+4.25=8
8:2=4 
Sper ca te-am ajutat.

Answer 2

$\displaystyle \boxed{M_a= \frac{a+b}{2} }\\ \\ \\ \boxed{M_g= \sqrt{a \cdot b} } \\ \\ \\---------\\\\ M_a= \frac{3,75 + 4,25}{2} = \frac{8}{2}=4$