Question

A certain freezing process require that room temperature be lowered from 30 ' c every hour what will be the room temperature 5 hours after the process begins​

Answer 1

Answer:

Please mark as brain least

Step-by-step explanation:

The present room temperature = 40\degree C40°C

The room temperature decreasing every hour by a rate of = 5\degree C5°C

The room temperature after 10 hours will be

40°C + 10×(−5°C)

= 40\degree C-50\degree C\40°C−50°C

= -10\degree C−10°C

so, the room temperature after 10-hour = -10\degree C−10°C