Question

encontre o valor de y e x​

Answer 1

Resposta:

Explicação passo-a-passo:

c) 3/y = 5/4 => 5y = 3.4 => 5y = 12 => y = 12/5

4)

a) x² = 9.16 => x² = 144 => x = √144 => x = 12

b) 20.x = 25.12 => 20x = 300 => x = 300/20 => x = 15

c) x/8 = 8/4 => x/8 = 2 => x = 8.2 => x = 16