Answer:
2c
Step-by-step explanation:
Using the rule of exponents
× ⇔
Given
× 2
= × 2 = 2c
Given:
From 1:00 pm to 3:30 pm the room temperature had dropped from 82F to 72F.
To find:
The average rate of change of temperature in this room over the period.
Solution:
Time between 1:00 pm to 3:30 pm is 2 hr 30 minutes, i.e., 2.5 hours.
So, change in time is 2.5 hours.
Room temperature had dropped from 82F to 72F.
Change in temperature = 72 F - 82 F
= -10 F
We know that, average rate of change of temperature in this room over the period is
Therefore, the average rate of change of temperature in this room over the period is -4. It means the temperature is decreasing 4 F per hour.
Step-by-step explanation:
y+7=6(x-4)
y+7=6x-24
y=6x-31
Answer:
Step-by-step explanation:
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The answer is A. 1/2 cups