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Kelynha1
@Kelynha1
April 2020
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Calcule o valor de b e c, onde b/4 = c/2 e b+c = 90. Marque a questão que corresponde aos valores de b e c.
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luquinhasbad
Faz o mmc
b/4 = 2c/4
4b/4=2c
b=2c
2c+c = 90
3c = 90
c = 90/3
c=30
b=2c
b=2.30
b= 60
Resposta final:
c = 30 e b = 60
4 votes
Thanks 5
Kelynha1
Valeu!!!
Williamsantana
b/4 = c/2 b+c = 90------b=90-c b/4 = c/2 90-c / 4 = c/2 4c=180-2c 4c+2c=180 c=180/6 c=30 b+c=90 b=90-30 b=60
magnogs16
Podemos montar um sistema
b/4 = c/2
b+c = 90------b=90-c
b/4 = c/2
90-c / 4 = c/2
4c=180-2c
4c+2c=180
c=180/6
c=30
b+c=90
b=90-30
b=60
1 votes
Thanks 1
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Lista de comentários
b/4 = 2c/4
4b/4=2c
b=2c
2c+c = 90
3c = 90
c = 90/3
c=30
b=2c
b=2.30
b= 60
Resposta final:
c = 30 e b = 60
b/4 = c/2
b+c = 90------b=90-c
b/4 = c/2
90-c / 4 = c/2
4c=180-2c
4c+2c=180
c=180/6
c=30
b+c=90
b=90-30
b=60