Respostas

2014-02-13T18:31:10-02:00
A) Tc/100 = Tx - (-20) / 380 - (-20)

Tc/100 = Tx + 10 / 400

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Tc = Tx + 10 / 4
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b) Indicação 20°C

Tc = Tx + 10/4
20 = Tx + 10/4
80 = Tx + 10
Tx = 80 - 10
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Tx = 70°X
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