.The temperature at 12 noon was 23°C. If the temperature decreases at the rate of 3°C per hour until midnight, find the temperature at midnight. Also, find at what time the temperature would be 5°C.
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Answer:
-13°C at midnight and 6pm
Step-by-step explanation:
As it decreases 3°C every hour consider as -3
In 12 noon it was 23°C
In midnight (12am) the temperature will be =
the time interval between 12pm and 12am are 12 hours so 12 x(-3)
= -36
when we add the both we will get -13
so in midnight it will -13°C
The temperature would be 5°C in =
23 - 5 = 18 divided by 3 = 6
so it will be 6pm
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