contestada

A roast turkey is taken from an oven when its temperature has reached 185 Fahrenheit and is placed on a table in a room where the temperature is 70 Fahrenheit. (a) If the temperature of the turkey is 150 Fahrenheit after half an hour, what is its temperature after 45 minutes?

Respuesta :

Turkey temperature = 185 F

Room temperature = 70 F

after 30 minutes if turkey's temperature  = 150 F

so    150  = 185 - K( 185 -70) 30

      K =  ( 185- 150)  /   30 (115)

       K =   35   /  3450

       K=    7  /  690

T(45)  =   185 - (45) ( 7 / 690) (115)

          185 - 52.5   =  132.5

  Temperature after 45 minutes =   132.5 F

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