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memester74
18.07.2019 •
Mathematics
On an english test, john scored 50 points on the essay portion. the test also had short-answer questions worth 2.5 points each. choose an expression for john’s total points if he answered r short-answer questions correctly.
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Ответ:
14
Step-by-step explanation:
Given
Excavation cone measures
height![h=6\ ft](/tpl/images/1225/4639/0ef38.png)
Diameter![d=30\ ft](/tpl/images/1225/4639/3b12a.png)
Truck can dump
at a time
The volume of a cone is
Putting values
No of trips(N) required to accumulate this much volume is given by
Therefore, 14 trips are necessary to accumulate a cone of volume![1414\ ft^3](/tpl/images/1225/4639/5a446.png)