Fran started practicing her clarinet at 3:30 pm and finished at 5:45 pm. how long did she practice?
2 answers:
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Answer:
a)B)9π
b)G)16π in²
Step-by-step explanation:
according to the question
as we know
C/d=π
C=dπ
Therefore
C=9π
Answer:
And we know that the level is decreasing 20% each day so then we can use the following model for the problem
Where t represent the number of days and L the level for this case we want to fnd the level after two days so then t =2 and replacing we got:
Step-by-step explanation:
For this case we know that the initial volume of water is:
And we know that the level is decreasing 20% each day so then we can use the following model for the problem
Where t represent the number of days and L the level for this case we want to fnd the level after two days so then t =2 and replacing we got: