Ddom
22.04.2021 •
Mathematics
Which of the following answer choices is an equation for the circle with a center of (-2, 3) and a radius of 3?
A.
2x2 + 2y2 + 3x - 3y + 4 = 0
B.
3x2 + 3y2 + 4x - 6y + 4 = 0
C.
x2 + y2 + 4x - 6y + 4 = 0
D.
x2 + y2 + 4x - 6y + 22 = 0
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Ответ:
A. “How many hours of homework do you do?” That question is statistical because it collects data of how many hours of homework he or she does.
B. “What were the different prices of the books at the bookstore?” This question is statistical because it collects data on the varying prices of books at the bookstore.
C. “Do your family members like to play soccer?” This question is not statistical because the question does not collect statistical data.