Question

arithmetic mean of -3 and 9

Answer 1

Answer:

Answer is 3

Step-by-step explanation:

$- 3 + 9 \div 2 \\ = 6 \div 2 \\ = 3$

Answer 2

Answer:

= 3

Step-by-step explanation:

$\boxed{arithmetic \ mean \ of \ x \ and \ y=\frac{x+y}{2} }$

Arithmetic mean of -3 and 9 :

$=\frac{-3+9}{2} \\\\ =\frac{6}{2} \\\\ =3$