Question

6. A certain freezing process requires that room temperature be lowered from 40°C at
the rate of 5°C every hour. What will be the room temperature 10 hours after the
process begins?​

Answer 1

Step-by-step explanation:

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Answer 2

$\huge \bigstar \mathfrak \pink{a} \mathfrak \red{n} \mathcal \blue{s} \mathsf \purple{w} \mathtt \green{e} \mathbf \purple{r}$

$\red{intial \: temp.} = \orange{40 \degree \: c}$

$rate \: of \: change \: in \: temperature = \frac{5\degree \:c}{hour}$

$\boxed {\red {time = 10hrs}}$

$so \: in \: temp. \: would \: be \: decreased \: by \: 10 \times 5 = 50 \degree$

$therefore \: final \: temp. \: = 49 - 50 = \boxed {\star-10 \degree \: c \star }$

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