
exercícios de sala - Matemática Empresarial
Authored by Raimundo José
Mathematics
9th - 12th Grade
Used 3+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O valor de x na equação 3x - 10 = 20 é:
3
10
5
10/3
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Um terreno possuí o comprimento medindo o dobro da largura e seu perímetro é de 30 metros. Quanto mede os lados desse terreno
12m e 24m
5 m e 10 m
15 m e 20 m
8 m e 10 m
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Seleciona a equação que representa a balança.
3+50=2+200
3x+50=2x+200
x+3+50=x+2+200
5x=50+200
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Seleciona a equação que representa a balança.
5+x=2+x+10+500
x=x+510
5x=2x+510
7x=510
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Cleber e Amanda são irmãos. Cleber tem 14 anos de idade e sabe-se que ele é 3 anos mais velho que Amanda. Qual a razão entre a idade de Cleber e Amanda?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
y=45
y=50
y=55
y=60
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Leia a informação.
Em uma escola com 320 alunos, 60% são meninas.
O número de meninas nessa escola é igual a
320
192
128
60
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