Question

sendo a//b//c, calcule x e y

respostas

a)

b)

c)

d)
​

Answer 1

Resposta:

A-x=8 Y=6

B-x=15 Y=6

C-x=6 Y=4

D-x=2,6 Y=7,5

Explicação passo-a-passo:

a)

x/4=14/7

x/4=2

x=8

x/4=y/3

8/4=y/3

2=y/3

y=2(3)

y=6

b)

x/10=21/14

14x=210

x=15

x/10=y/4

15/10=y/4

3/2=y/4

3=y/2

y=6

c)

6/y=12/8

1/y=2/8

1/y=1/4

y=4

6/y=x/4

6/4=x/4

x=6

d)

x/4=2/3

3x=8

x=8/3

x/4=5/y

8/3/4=5/y

8/12=5/y

8y=60

y=7,5