Question

Решите уравнения , заранее спасибо всем ответам​

Answer 1

$210.1)d = 36 - 8b \\ d > 0 \\ 36 - 8b > 0 \\ b < 4.5$

$210.2)d = 16 - 60b \\ 16 - 60b > 0 \\ b < \frac{4}{15}$

$210.3)d = {b}^{2} - 36 \\ {b }^{2} - 36 > 0 \\ b < - 6...b > 6$

$210.4)d = {b}^{2} - 20 \\ {b}^{2} - 20 > 0 \\ b < - 2 \sqrt{5} ...b > 2 \sqrt{5}$

$211.4)d = 144 - 24v \\ 144 - 24v = 0 \\ v = 6$

$212.3)d = 225 - 8t \\ 225 - 8t < 0 \\ t > \frac{225}{8} \\ t > 28 \frac{1}{8}$