the heating automatically switches on when the temp outside is -4, one winters day the temp outside was 5oc, how much did it drop for heating to go on automatically..

Question

anonymous · Answer

It keeps sayin am getting it wrong but i dont think i am is obvious

anonymous · Answer

$$-4^oC$$ <<-- is when the thermostat turns on the heat?
If so, and if the current temperature is $$5^oC$$, then the temperature has to fall 9 degrees Celsius before the heat comes on.

anonymous · Answer

i was writing that in thank u

anonymous · Answer

OK, feel free to drop in with your questions anytime. :-)