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\( \frac{9 \pi}{16} \mathrm{rad}=\mathrm{A}^{\mathrm{g} \mathrm{B}^{\mathrm{m}}} \), calcular: \( \mathrm{A}-2 \mathrm{~B} \)

Ask by Estrada Kirk. in Peru
Mar 18,2025

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\( A - 2B = 71 \)

Solution

1. Convertir \( \frac{9\pi}{16} \) radianes a grados utilizando la relación: \[ 1 \text{ rad} = \frac{180^\circ}{\pi} \] Entonces: \[ \frac{9\pi}{16} \text{ rad} = \frac{9\pi}{16} \times \frac{180^\circ}{\pi} = \frac{9 \times 180^\circ}{16} = \frac{1620^\circ}{16} = 101.25^\circ \] 2. Expresar \(101.25^\circ\) en grados y minutos. Notamos que: \[ 101.25^\circ = 101^\circ + 0.25^\circ \] Dado que \(1^\circ = 60'\) (minutos), tenemos: \[ 0.25^\circ = 0.25 \times 60' = 15' \] Por lo tanto, \[ \frac{9\pi}{16} \text{ rad} = 101^\circ\,15' \] Lo que implica que \( A = 101 \) y \( B = 15 \). 3. Calcular \( A - 2B \): \[ A - 2B = 101 - 2 \times 15 = 101 - 30 = 71 \] La respuesta es \(71\).

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Primero, necesitamos convertir \( \frac{9 \pi}{16} \) radianes a grados. La fórmula para convertir radianes a grados es: \[ \text{Grados} = \text{Radianes} \times \frac{180}{\pi} \] Así que, \[ \frac{9 \pi}{16} \times \frac{180}{\pi} = \frac{9 \times 180}{16} = \frac{1620}{16} = 101.25°. \] Ahora, se puede expresar 101.25 en la forma \( A^{g} B^{m} \), donde \( A = 101 \) (la parte entera), \( B = 25 \) (los decimales como un número que es 25) y \( m = 0 \) (es una parte entera, por lo que no hay un incremento exponencial). Por lo tanto, tenemos \( A = 101 \) y \( B = 25 \). Así que, \[ A - 2B = 101 - 2 \times 25 = 101 - 50 = 51. \] La respuesta es \( 51 \).

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