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Mathematics 21 Online
OpenStudy (anonymous):

@AlexandervonHumboldt2

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):

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

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!

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

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

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

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