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Member Since: Nov 19, 2013
Total # Questions Provided: 2
Total # Answers Provided: 8
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mar
7
2014
Geometria Espacial ,Relação de Euler
Sabendo que em um poliedro o número de vértices corresponde a 2/3 do número de arestas, e o número de faces é três unidades menos que o de vértices. Calcule o número de faces, de vértices e arestas...
nov
19
2013
Função Exponencial – Primeiro Ano do Ensino Médio
O decaimento radioativo do estrôncio 90 é descrito pela função P(t)=P0 . 2 elevado à -bt, onde t é um instante de tempo, medido em anos, b é uma constante real e P0 é a concentração inicial...
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