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..
It keeps sayin am getting it wrong but i dont think i am is obvious
\[-4^oC\] <<-- 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.
i was writing that in thank u
OK, feel free to drop in with your questions anytime. :-)
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