MAT_8_EF_Q17-Q19
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
O que significa porcentagem?
Back
Porcentagem é uma forma de expressar uma quantidade como uma fração de 100. Por exemplo, 25% significa 25 de cada 100.
2.
FLASHCARD QUESTION
Front
Como calcular o valor de uma porcentagem de um número?
Back
Para calcular uma porcentagem de um número, multiplique o número pela porcentagem (em forma decimal). Exemplo: 20% de 50 é 50 * 0,20 = 10.
3.
FLASHCARD QUESTION
Front
Qual é a relação entre frações e porcentagens?
Back
4.
FLASHCARD QUESTION
Front
Como representar 15% em forma decimal?
Back
15% em forma decimal é 0,15.
5.
FLASHCARD QUESTION
Front
Qual é a fórmula para calcular o aumento percentual?
Back
A fórmula para calcular o aumento percentual é: \( \text{Aumento Percentual} = \frac{\text{Novo Valor} - \text{Valor Antigo}}{\text{Valor Antigo}} \times 100 \)
6.
FLASHCARD QUESTION
Front
Como calcular o valor total após um aumento percentual?
Back
Para calcular o valor total após um aumento percentual, use a fórmula: \( \text{Valor Total} = \text{Valor Antigo} + \left(\text{Valor Antigo} \times \frac{\text{Aumento Percentual}}{100}\right) \)
7.
FLASHCARD QUESTION
Front
O que é um valor inadimplente?
Back
Um valor inadimplente é aquele que não foi pago dentro do prazo estabelecido.
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