Question

calcule o valor de y

Answer 1

Olá.

1)

y^2 = 16 . 25
y^2 = 400
y = 20

2)

y^2 = 4.9
y^2 = 35
y = 6

3)

y^2 = 4.16
y^^2 = 64
y = 8

4)

3.4 = 5y
12 = 5y
y = 12/5
y = 2,4

Bons estudos.