
Desafios em Resolução de Problemas
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
FABIANA CAETANO
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um pesquisador coletou dados sobre a altura de plantas em um experimento. Ele observou que a altura média das plantas era de 150 cm com um desvio padrão de 10 cm. Qual é a altura que está a 2 desvios padrão acima da média?
160 cm
170 cm
180 cm
190 cm
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um gráfico mostra a relação entre a temperatura e o tempo durante um experimento. Se a temperatura aumenta linearmente de 20°C para 80°C em 3 horas, qual é a taxa de aumento da temperatura por hora?
10°C/h
15°C/h
20°C/h
30°C/h
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes equações representa uma função linear?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
8
9
10
11
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um gráfico de barras mostra a quantidade de vendas de um produto em diferentes meses. Se o gráfico mostra que as vendas em janeiro foram 200 unidades e em fevereiro foram 300 unidades, qual é o aumento percentual de janeiro para fevereiro?
25%
33.3%
50%
66.7%
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