Entomologists have discovered that a linear relationship exists between the # of chirps of crickets of a certain species and the air temperature.  When the temperature is 70 degrees F, the crickets chirp aqt the rate of  120 chirps/min, and when the temperature is 90 degrees F, they chirp at a rate of 200 chirps/min.  find an equation giving the relationship between the air temperature T and the number of chirps/min N of the crickets.  N = Use the formula to determine the rate at which the crickets chirp when the temperature is 105 degrees F  ? chirps/min

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section1.3: Lines
Problem 92E
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Entomologists have discovered that a linear relationship exists between the # of chirps of crickets of a certain species and the air temperature. 

When the temperature is 70 degrees F, the crickets chirp aqt the rate of  120 chirps/min, and when the temperature is 90 degrees F, they chirp at a rate of 200 chirps/min. 

find an equation giving the relationship between the air temperature T and the number of chirps/min N of the crickets. 

N =

Use the formula to determine the rate at which the crickets chirp when the temperature is 105 degrees F 

? chirps/min

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