Question

Quanto é 20°C na escala em °F

Answer 1

Resposta:

$\frac{T_{c} }{5} = \frac{T_{F} -32}{9} \\\\\\\frac{20 }{5} = \frac{T_{F} -32}{9} \\\\\\4 = \frac{T_{F} -32}{9} \\\\4.9=T_{F} -32\\\\T_{F} = 36+32\\\\T_{F} = 68$