Question

Complete as igualdades de modo a obter proporções: A) /7=15/21
B)8/13=46/
C)12/28= /14
D)148/228=37/
Complete os espaços em branco

Answer 1

Resposta:

A)x/7=15/21

x=(15.7)/21

x=5

resposta a: 5/7=15/21

B)8/13=46/y

(8.y)/13=46

y=(46.13)/8

y=74,75

resposta b: 8/13=46/74,75

C)12/28=w/14

(12.14)/28=w

w=6

resposta c: 12/28=6/14

D)148/228=37/z

(148.z)/228=37

z=(37.228)/148

z=57

resposta d: 148/228=37/57