What is the circumference of a circular swimming pool with a diameter of 6 ½ feet? (use 22 over 7 as pi)
1 answer:
Answer:
10.21 feet.
Step-by-step explanation:
circumference of circle with diameter d is given by
where r is the radius of the circle.
_____________________________
given
diameter = 6 1/2 = 13/2 feet
\thus, circumference of circle is calculated as following
Thus, circumference of given circle is 10.21 feet.
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Answer:
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And for this case if we analyze the options the only impossible value is given by:
1.0528
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Step-by-step explanation:
The correlation coefficient is a measure of dispersion and is a value between -1 and 1, and is defined as:
The condition for r is the following:
And for this case if we analyze the options the only impossible value is given by:
1.0528
Because this value is higher than 1 and not satisfy the general limits for r