Question

gente me ajudem pelo amor de Deus ​

Answer 1

Resposta:

$a) \frac{3}{2} = \frac{5}{x} \\\\3.x=2.5\\\\3x=10\\\\x=\frac{10}{3}$

$b) \frac{5}{10} = \frac{x}{8} \\\\10.x=5.8\\\\10x=40\\\\x=\frac{40}{10} \\\\x=4$

$c) \frac{12}{x} =\frac{30}{10} \\\\30.x=12.10\\\\30x=120\\\\x=\frac{120}{30} \\\\x=4$

$d) \frac{x}{11} =\frac{13}{2} \\\\\2.x=13.11\\\\2x=143\\\\x=\frac{143}{2}$