Question

Calcule o valor de X nas proporções:

a- x/3=10/6
b- 9/12=x/4
c- x/8=2/x
d- 6/x=2x/3

Answer 1

a) 6x=30
x=30/6
x=5

b) 12x=9.4
12x=36
x=36/12
x=3

c)x.x=8.2
x²=16
x=±√16
x=±4

d) x.2x= 6.3
2x²=18
x²=18/2
x²=9
x=±√9
x=±3