Mathematics, 02.12.2020 21:30 Riohxncho

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.
t=120r/r+120
Find the inverse of janine's equation.

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Lightbulbs act as resistors. Janine is building a circuit that contains two lightbulbs in parallel....

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