QUESTION IMAGE
Question
a company makes wax candles in the shape of a solid sphere. suppose each candle has a diameter of 18 cm. if the company has a total of 76,302 cm³ of wax, how many candles can be made? use 3.14 for π, and do not round your answer.
Step1: Calcular el radio del círculo
El diámetro es 18 cm, así que el radio \( r = \frac{18}{2} = 9 \) cm.
Step2: Calcular el volumen de una esfera
La fórmula del volumen de una esfera es \( V = \frac{4}{3}\pi r^3 \). Sustituyendo \( \pi = 3.14 \) y \( r = 9 \):
\( V = \frac{4}{3} \times 3.14 \times 9^3 \)
\( V = \frac{4}{3} \times 3.14 \times 729 \)
\( V = 4 \times 3.14 \times 243 \)
\( V = 12.56 \times 243 \)
\( V = 3052.08 \) \( \text{cm}^3 \)
Step3: Calcular el número de velas
Dividir el volumen total de cera entre el volumen de una vela: \( \text{Número de velas} = \frac{76302}{3052.08} \)
\( \text{Número de velas} = 25 \)
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