Mathematics, 04.03.2021 14:00 jordantotten96
Question
Lightbulbs act as resistors, Janine is building a circuit that contains two lightbulbs in
parallel. One of the lightbulbs has a resistance of 120 ohms, but the resistance of the
second lightbulb is unknown. She models the total resistance in the circuit, t, with
this equation, in which r represents the resistance of the second lightbulb.
1201
120
Find the inverse of Janine's equation.
Answers: 2
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