
Regra de Três e Proporcionalidade
Quiz
•
Mathematics
•
7th Grade
•
Hard
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Por que é importante identificar a relação entre grandezas ao usar a regra de três?
Para simplificar cálculos
Para garantir a proporcionalidade
Para evitar erros de medição
Para aumentar a precisão dos resultados
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que são grandezas inversamente proporcionais?
Quando uma aumenta, a outra aumenta
Quando uma aumenta, a outra diminui
Quando ambas permanecem constantes
Quando ambas diminuem
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 15 impressoras levam 18 horas para completar uma tarefa, quantas horas levarão 10 impressoras?
A) 27
B) 20
C) 25
D) 30
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de x na proporção 10/15 = 18/x?
25
27
30
32
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de x na equação 1000x = 8000?
A) 8
B) 10
C) 12
D) 6
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