The rate at which crickets chirp varies linearly with the outdoor temperature. At 59°F crickets make 76 chirps per minute, and at 65°F they make 100 chirps per minute. a) Write the equation expressing chirping rate, c, in terms of temperature, t. b) Predict the chirping rate for 90°F. c) How warm is it if you hear 120 chirps per minute?
The rate at which crickets chirp varies linearly with the outdoor temperature. At 59°F crickets make 76 chirps per minute, and at 65°F they make 100 chirps per minute. a) Write the equation expressing chirping rate, c, in terms of temperature, t. b) Predict the chirping rate for 90°F. c) How warm is it if you hear 120 chirps per minute?
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter8: Rational Expressions And Equations
Section8.9: Use Direct And Inverse Variation
Problem 8.182TI: The time required to empty a pool varies inversely as the rate of pumping. It took Lucy 2.5 hours to...
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The rate at which crickets chirp varies linearly with the outdoor temperature. At 59°F crickets make 76 chirps per minute, and at 65°F they make 100 chirps per minute.
a) Write the equation expressing chirping rate, c, in terms of temperature, t.
b) Predict the chirping rate for 90°F.
c) How warm is it if you hear 120 chirps per minute?
d) Calculate the temperature-intercept. Write a sentence explaining what this number tells you about the real world.
e) Calculate the chirping rate-intercept. Write a sentence explaining what this number tells you about the real world.
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