Schofield Schultz
01/21/2024 · Senior High School

1. Bir soğutucunun sıcaklığı \( -3^{\circ} \mathrm{C} \) 'dir. Sıcaklık her bir saatin sonunda \( 2^{\circ} \mathrm{C} \) azaldı- ğına göre 5 saatin sonunda soğutucudaki sıcaklık kaç \( { }^{\circ} \mathrm{C} \) olur? \( \begin{array}{llll}\text { A) }-7 & \text { B) }-10 & \text { C) }-13 & \text { D) }-16\end{array} \)

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Soğutucunun başlangıç sıcaklığı \( -3^{\circ} \mathrm{C} \) 'dir. Her bir saatin sonunda sıcaklık \( 2^{\circ} \mathrm{C} \) azalıyor. 5 saat sonunda toplam sıcaklık değişimi: \[ 5 \text{ saat} \times 2^{\circ} \mathrm{C/saat} = 10^{\circ} \mathrm{C} \] Başlangıç sıcaklığına bu değişimi ekleyelim: \[ -3^{\circ} \mathrm{C} - 10^{\circ} \mathrm{C} = -13^{\circ} \mathrm{C} \] Sonuç olarak, 5 saatin sonunda soğutucudaki sıcaklık \( -13^{\circ} \mathrm{C} \) olur. Doğru cevap C) \( -13^{\circ} \mathrm{C} \).

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5 saatin sonunda soğutucudaki sıcaklık \( -13^{\circ} \mathrm{C} \) olur.
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