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Crickets are known to chirp about 31 times per minute at 9°C and about 110 times per minute at 20°C.


38.Assuming that the relationship is linear, which equation gives the number of times a cricket chirps (y) for a given temperature (x)?

a.y = 75/12x - 100/11

b.y = 79/11x - 370/11

c.y = 7x – 37

d.Y = 63/13x - 12/13

39.Predict the cricket’s number of chirps per minute when the temperature is 28°C.

a.138

b.149

c.156

d.167

40.About what would the temperature be if the crickets were chirping 180 times per minute?

a.30°C

b.31°C

c.32°C

d.33°C


Sagot :

Answer:

Sorry po wla po kasi yan pa sa aming lesson