HealTheWorld
21.10.2020 •
Mathematics
At 7 AM it is 20° F and the temperature is dropping at a rate of 4° F per hour. What will the temperature be at 11 AM?
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Ответ:
4 degrees
Step-by-step explanation:
7am to 11am is 4 hours.
So now multiply 4 hours*4* F = 16
So the temperature decreased 16 degrees.
20-16=4
It was 4 degrees at 11 am.
Ответ:
h =
Step-by-step explanation:
Given
Multiply both sides by 35 to clear the fractions
21h = 18 ( divide both sides by 21 )
h =
= 