Find the area and width in ft of a circle with a radius of 1/2 in (KEY 1in = 6ft)
1 answer:
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Answer:
The percent of error in her measurement is 1.3%
Step-by-step explanation:
we know that
The circumference of a circle is equal to
where
D is the diameter
we have
assume
substitute
----> This value represent the 100% (theoretical value)
Find the difference between the theoretical value and the measured value
Find the percentage by proportion
Answer:
25 rides
Step-by-step explanation:
has $28.50
15.75 + 0.50r 28.50
Subtract 15.75
0.50r 12.75
r 25.5
you can't have half rides, so 25 rides