Question

Ajudemmmmmmmm,Por favor​

Answer 1

Resposta:

$d = \frac{m}{v} \: \: \: \: \: d = \frac{800}{5} \: \: \: \: d = 160 \\ \\ d = \frac{m}{v} \: \: \: \: 12 = \frac{129}{v} \: \: \: \: 12v = 129 \\ v = \frac{129}{12} \: \: \: \: v = 10.75$