mabutler2013
23.04.2020 •
Mathematics
Suppose the null hypothesis is not rejected not rejected. State the conclusion based on the results of the test. Six years ago, 12.1 12.1% of registered births were to teenage mothers. A sociologist believes that the percentage has decreased decreased since then. Which of the following is the correct conclusion? A. There is not is not sufficient evidence to conclude that the percentage of teenage mothers has decreased decreased. B. There is is sufficient evidence to conclude that the percentage of teenage mothers has remained the same. C. There is not is not sufficient evidence to conclude that the percentage of teenage mothers has remained the same. D. There is is sufficient evidence to conclude that the percentage of teenage mothers has decreased decreased.
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Ответ:
The equation of circle can be given as :
(x-h)² +(y-k)²=r²
where (h,k) is center of circle and r is radius
the center is at (-10,-4) and radius =5
so equation becomes,
(x-(-10))² +(y-(-4))²=5²
(x+10)² +(y+4)²=25