
Atividade_Aula 30_2º TRI / Uso do crédito
Mathematics
10th Grade

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule a média aritmética simples dos números 4, 8 e 12.
6
8
10
12
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a média aritmética ponderada dos números 5, 7 e 9 com pesos 1, 2 e 3, respectivamente?
7
7.5
8
8.5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se a média aritmética simples de três números é 15 e dois desses números são 10 e 20, qual é o terceiro número?
10
15
20
25
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule a média aritmética ponderada dos números 3, 6 e 9 com pesos 2, 3 e 5, respectivamente.
6
6.5
7
7.5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A média aritmética simples de quatro números é 12. Se três desses números são 10, 14 e 16, qual é o quarto número?
8
10
12
14
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a média aritmética ponderada dos números 2, 4 e 6 com pesos 1, 1 e 2, respectivamente?
3.5
4
4.5
5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se a média aritmética simples de cinco números é 20 e quatro desses números são 15, 25, 30 e 10, qual é o quinto número?
10
15
20
25
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