Three liquids with masses m1, m2, m3 are...

Three liquids with masses `m_1, m_2, m_3` are thoroughly mixed. If their specific heats are `c_1, c_2, c_3` and their temperatures `T_1, T_2, T_3` respectively, then the temperature of the mixture is

`(c_1 T_1 + c_2 T_2 + c_3 T_3)/ (m_1 c_1 + m_2 c_2 + m_3 c_3)`

`(m_1 c_1 T_1 +m_2 c_2 T_2 +m_3 c_3 T_3)/ (m_1 c_1 + m_2 c_2 + m_3 c_3)`

`(m_1 c_1 T_1 +m_2 c_2 T_2 +m_3 c_3 T_3)/ (m_1 T_1 + m_2 T_2 + m_3 T_3)`

`(m_1 T_1 + m_2 T_2 + m_3 T_3)/ (c_1 T_1 + c_2 T_2 + c_3 T_3)`

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