At midnight the temperature is 5 degrees Celsius. The temperature drops at 2 degrees Celsius per hour. Write and inequality to describe the hours after midnight it was colder than -4 degrees Celsius.

Respuesta :

Answer:

3 degrees

Step-by-step explanation:

Answer:

(5-2t)<-4

Step-by-step explanation:

The temperature is 5 °C at midnight, and it is dropping at a speed of 2 °C each hour. If it's past midnight, the temperature will be t degrees after t hours ( 5 - 2t ). If the temperature is below - 4 ℃, the inequality can be  ( 5-2t ) - 4