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E115.

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Exam of 3 pages for the course E115 at E115 (E115)

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Definição de razão - (correct answer)É uma divisão que relaciona duas grandezas.


Definição de proporção - (correct answer)É a igualdade entre duas razões.


Grandezas proporcionais - (correct answer)São valores relacionados a outros de modo
que, se um varia, o outro também varia.


Presente em mapas, é um dos principais exemplos de razão: - (correct answer)Escalas


Definição de escala: - (correct answer)Razão entre a medida do desenho e a medida
correspondente na realidade.


Briana levou 20 minutos para percorrer 2 km. Nesse mesmo ritmo, quanto levará para
percorrer 5 km? - (correct answer)50 min.


Medidas de uma escala: - (correct answer)1:500
1cm por 500km


1m equivale a quantos centímetros? - (correct answer)100 cm


Uma costureira faz duas camisetas iguais com 1 metro de malha. Para fazer 10
camisetas iguais, quantos metros de malha será necessário? - (correct answer)5 m


Minha mãe faz 150 docinhos em 45 min. Quantos docinhos fará em 90 minutos? -
(correct answer)300 docinhos


1km equivale a quantos metros? - (correct answer)1.000 m

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