Question

Cine Ma ajuta si pe mine ????​

Answer 1

Răspuns:

a)

$\frac{9+27}{2}=\frac{36}{2}=18$

$\sqrt{9\cdot27}=\sqrt{243}=9\sqrt{3}$

b)

$\sqrt{18x}=24=>3\sqrt{2x}=24=>\sqrt{2x}=8=>2x=64=>x=32$