Mathematics
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OpenStudy (anonymous):
@AlexandervonHumboldt2
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OpenStudy (anonymous):
OpenStudy (alexandervonhumboldt2):
sqrt25=5 rad is 5
OpenStudy (alexandervonhumboldt2):
i've been warned i cant ow tell only nswers i'll need to gude you
OpenStudy (anonymous):
ohhh okay
OpenStudy (anonymous):
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OpenStudy (alexandervonhumboldt2):
so first place opposite numbers with y nd x you will get
x^2+(y-3)^2. radius 7 so what is 7^2?
OpenStudy (alexandervonhumboldt2):
7^2?
OpenStudy (anonymous):
49
OpenStudy (alexandervonhumboldt2):
yes so what is your option now?
OpenStudy (anonymous):
B or D
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OpenStudy (alexandervonhumboldt2):
after the = sign the number should be 7^2
OpenStudy (alexandervonhumboldt2):
after the = sing the number is radius square
OpenStudy (alexandervonhumboldt2):
now whats your option?
OpenStudy (anonymous):
B
OpenStudy (alexandervonhumboldt2):
YES B!
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OpenStudy (anonymous):
OpenStudy (alexandervonhumboldt2):
hmm dont know this one @DanJS
OpenStudy (alexandervonhumboldt2):
@KamiBug
OpenStudy (alexandervonhumboldt2):
@Directrix
OpenStudy (danjs):
The radius will be the distance from the point that is on the circle, to the center point
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OpenStudy (alexandervonhumboldt2):
no 5
OpenStudy (anonymous):
4?
OpenStudy (anonymous):
yeah i thought so
OpenStudy (danjs):
Through (-4,0) center (-1,-4)
radius length = distance between those 2 points
OpenStudy (alexandervonhumboldt2):
distace is 5 so radius is 5
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OpenStudy (alexandervonhumboldt2):
so like i explained earlier in the psot itis B
OpenStudy (danjs):
yeah i got 5, you might have added wrong, (-1-(-4))^2 = 3^2
OpenStudy (alexandervonhumboldt2):
thx dan
OpenStudy (danjs):
\[\left| r \right| = \sqrt{(x-x1)^2 + (y-y1)^2}\]
OpenStudy (danjs):
welcome