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mars1129 [50]
3 years ago
5

2v²+5v-7=0 please help!!

Mathematics
1 answer:
vaieri [72.5K]3 years ago
3 0
2v^2+5v-7=0\\
2v^2-2v+7v-7=0\\
2v(v-1)+7(v-1)=0\\
(2v+7)(v-1)=0\\
v=-\dfrac{7}{2} \vee v=1
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a) A Antonio, Lucas y Darío le corresponde cada uno \frac{5}{6} litros.

b) Antonio, Lucas y Benjamín deben convidar cada uno \frac{5}{24} litros.

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a) Antonio, Lucas y Darío compraron un refresco, el cual reparten en tres partes iguales. Por tanto, la fracción de litro para cada persona es la capacidad del refresco dividido por el número de personas. Es decir:

x = \frac{\frac{5}{2}\,L }{3}

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A Antonio, Lucas y Darío le corresponde cada uno \frac{5}{6} litros.

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