The resistance, R, of a conductor is directly proportional to its length, 7. If the resistance. of 3.80 km of a certain transmission line is 121 ohms, find the resistance of 74.9 km of that line. Round your answer to 3 significant digits. Ω Suppose p varies directly with q and that Ρ = 35 when q - 7. What is the value of p when q = 2? Ρ =

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.8: Joint And Combined Variation
Problem 3E
Question
The resistance, R, of a conductor is directly
proportional to its length, 7. If the resistance.
of 3.80 km of a certain transmission line is
121 ohms, find the resistance of 74.9 km of
that line. Round your answer to 3 significant
digits.
Ω
Transcribed Image Text:The resistance, R, of a conductor is directly proportional to its length, 7. If the resistance. of 3.80 km of a certain transmission line is 121 ohms, find the resistance of 74.9 km of that line. Round your answer to 3 significant digits. Ω
Suppose p varies directly with q and that
Ρ
=
35 when q
-
7. What is the value of p
when q
= 2?
Ρ
=
Transcribed Image Text:Suppose p varies directly with q and that Ρ = 35 when q - 7. What is the value of p when q = 2? Ρ =
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