Question

determinati nr x ,astfel incat media aritmetica a ne 21 ,14,4 ,34,6 si x sa fie 29

Answer 1

[tex] \frac{21+14+4+34+6+x}{6} =29 \\ \\ 79+x=29*6 \\ \\ x=174-79 \\ \\ x=95 [/tex]

Answer 2

(21+14.4+34.6+x ) : 4 =29
(70+x ): 4=29
70+x=29*4
x=116-70
x=46