Question

insert arithmetic means between -5 and 17

Answer 1

@reymud Hi :)
\(\huge \color{red}{\text{Welcome to Open Study}}\ddot\smile\)

If you want to insert only one arithmetic mean(b) between a=-5 and c=17, then just use the formula for mean, \(\large b=\dfrac{a+c}{2}\)

Answer 2

Thus,\[\frac{ 12 }{ 2 }\] = 6