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05.11.2019 •
Mathematics
How do you find the length of an arc
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Ответ:
Total degrees around the circle = 360 so
length of the arc of measure 270 = 32 pi * 270/360 = 24 pi units
or 75.40 units to the nearest hundredth
Ответ:
d
Step-by-step explanation:
Solution:-
The experimental unit is the physical entity which can be assigned, at random, to a treatment. ( The treatment in our scenario is the effect of two types of fertilizers Type A and Type B on the plants )
- Commonly it is an individual animal - plant. The experimental unit is also the unit of statistical analysis. ( statistical analysis is done on the plants divided into two groups: Group 1 and Group 2 )
- However, any two experimental units must be capable of receiving different treatments. ( Group 1 - Type A fertilizer ) & ( Group 2 - Type B fertilizer ).
The experimental unit are the two groups ( Group 1 and Group 2 ) each consists of 20 plants.