Klein Daniels
10/30/2023 · Elementary School
RTE A: Cálculo 1. Opera \( y \) calcula. Justifica. \[ \frac{39}{91}+\frac{1}{33} \cdot(2,75)^{-1} \cdot\left[(7-\sqrt{3})^{2}+14 \sqrt{3}\right] \]
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Para resolver este problema, seguiremos los pasos de la notación de la expresión dada. Primero, calcularemos cada parte de la expresión y luego combinaremos los resultados.
1. Calculamos \( (2,75)^{-1} \):
\[ (2,75)^{-1} = \frac{1}{2,75} \]
2. Simplificamos \( \frac{1}{2,75} \):
\[ \frac{1}{2,75} = \frac{1}{\frac{11}{4}} = \frac{4}{11} \]
3. Calculamos \( (7-\sqrt{3})^{2} \):
\[ (7-\sqrt{3})^{2} = 49 - 2 \cdot 7 \cdot \sqrt{3} + 3 = 52 - 14\sqrt{3} \]
4. Simplificamos \( (7-\sqrt{3})^{2} + 14\sqrt{3} \):
\[ 52 - 14\sqrt{3} + 14\sqrt{3} = 52 \]
5. Calculamos \( \frac{1}{33} \cdot \frac{4}{11} \cdot 52 \):
\[ \frac{1}{33} \cdot \frac{4}{11} \cdot 52 = \frac{4 \cdot 52}{33 \cdot 11} = \frac{208}{363} \]
6. Simplificamos \( \frac{208}{363} \):
\[ \frac{208}{363} = \frac{16}{27.625} \]
7. Calculamos \( \frac{39}{91} + \frac{16}{27.625} \):
\[ \frac{39}{91} + \frac{16}{27.625} = \frac{39 \cdot 27.625 + 16 \cdot 91}{91 \cdot 27.625} \]
8. Simplificamos el numerador:
\[ 39 \cdot 27.625 + 16 \cdot 91 = 1083.625 + 1456 = 2539.625 \]
9. Simplificamos el denominador:
\[ 91 \cdot 27.625 = 2539.625 \]
10. Finalmente, calculamos la suma:
\[ \frac{2539.625}{2539.625} = 1 \]
Por lo tanto, la expresión dada se simplifica a 1.
Quick Answer
La expresión se simplifica a 1.
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