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- Anonymous3 weeks ago
It's true. You can take that to the bank.

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- PhilomelLv 73 weeks ago
Yes, It's true. -40F=-40C

and it's the freezing point of mercury.

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- busterwasmycatLv 73 weeks ago
that is where the two linear scales intersect, yes. Two lines with different slopes (non-parallel lines) will inevitably intersect at some point. With the F and C scales, that point just happens to be where each is at -40.

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- CarolOklaNolaLv 73 weeks ago
Yes, it IS true, assuming approximately 1 atmosphere pressure.

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- D gLv 73 weeks ago
yes it is a fluke

because 0 degs c = 32 degs F

and each deg C = 1.8 deg F

0 to 40 = -40 degs C

= -40 C * 1.8F/C = -72 degs

32 degs - 72 degs = -40 degs

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- SumDudeLv 73 weeks ago
plug and chug with the formulas (because I might lie to you).

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