Question

plzzz help me out here​

Answer 1

$Solution$

$= > Mean \: = 69.5 \\ \\ = > \frac{72 + x + 62 + 50 + 71 + 90 + 64 + 58 + 82}{9} = \frac{695}{10} \\ \\ = > \frac{549 + x}{9} = \frac{695}{10} \\ \\ = > 10(549 + x) = 10 \times 695 \\ \\ = > 5490 + 10x = 6950 \\ \\ = > 10x = 6950 - 5490 \\ \\ = >10x = 1460 \\ \\ = > x = \frac{1460}{10} \\ \\ = > x = 146</p><p>$

$Hope \:you \:got \:it$

Answer 2

please help me to make a brilliant