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charle [14.2K]
3 years ago
10

At bakery where you work, dough for a certain type of pastry needs to be chilled for a hour and half. Your timer only shows time

in minutes. How many minutes should you chill the dough?
A. 70 minutes
B. 90 minutes
C. 130 minutes
D. 180 minutes
SAT
1 answer:
pishuonlain [190]3 years ago
5 0

Answer: B. 90 minutes

Explanation: The answer is 90 minutes because there are 60 minutes in an hour. A half of an hour is 30 mins (60/2=30). Making this into 60+30 minutes which is 90 minutes.

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This refers to the group of lines which forms a metrical unit in a poem.

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According to the statement, the Newton's law of cooling is defined by the following formula:

T(t) = T_{s} + (T_{o}-T_{s})\cdot e^{-k\cdot t} (1)

Where:

  • T_{s} - Final temperature, in degrees Celsius.
  • T_{o} - Initial temperature, in degrees Celsius.
  • t - Time, in minutes.
  • k - Cooling rate, in \frac{1}{min}.
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Please notice that substance reaches thermal equilibrium when T(t) = T_{s}, that is when temperature of the substance is equal to the temperature of surrounding air.

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