sarahsteelman
07.07.2019 •
Mathematics
Write down the centre and radius of the circle x²+y²=20 simplify your answer.
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Ответ:
The radius is √(20) or 2√(5) or 4.472136
Ответ:
The coordinate plane where the point is 1 unit to the left and 3.5 units down
Step-by-step explanation:
On a coordinate plane the negative side is left and down and positive is up and right so you can eliminate any answer with up or right. The point says its (-1,-3.5) which means it will be 1 to the left making it -1 and 3.5 down which will make it -3.5.