Question

the temperature at 12 noon was 10°C above zero If it decreases at the rate of 2°C per hour until midnight at what time would the temperature be 8°C below zero? what would be the temperature at midnight​

Answer 1

Answer:9 pm

Step-by-step explanation:As it decreases by 2 degree per hour the temp now is 10 degree we need -8 degree as final so the temperature needed to decrease is 18 degrees. So 2 degree per hour means you need 9 hours to decrease 18 degrees. So 12 noon +9 hours gives you 9pm.

Hope your doubt is cleared.

Thank you.

Answer 2

Answer:

This may help you

Step-by-step explanation:

To find the temperature at midnight,

use t = 12:00

T = 10 - 2(12) = 10 - 24 = -14

Thus, the temperature at midnight is 14°C below zero.