30)
Os sapatos surgiram para proteger os pés e sofreram alterações de acordo com a
necessidade de quem os calçavam. Uma adaptação que os sapatos precisaram ter
era quanto a numeração (tamanho). No Brasil, o número de sapato está
relacionado com o tamanho do pé, em centímetros, e é dado pela fórmula abaixo,
onde N
é o número de sapato e p é
o tamanho do pé.
Qual
expressão algébrica representa o tamanho do pé
em
função do número do sapato?
a) ![](data:image/png;base64,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)
b) ![](data:image/png;base64,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)
c) ![](data:image/png;base64,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)
d) ![](data:image/png;base64,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)
e) ![](data:image/png;base64,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)
Resolução:
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