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balu736 [363]
3 years ago
13

The equation of a circle is (x+2)2 + (y-3)2 =9. What are the coordinates of the center of this circle?

Mathematics
1 answer:
Setler [38]3 years ago
6 0

Answer:

Step-by-step explanation:

center is (-2,3)

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Helga [31]

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Twice the difference of a number and 2 is 9
likoan [24]
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In the circle below, CD is a diameter. If AE=10, CE=4, and AB=16, what is
Naily [24]

Answer:

(D)9.5 Units

Step-by-step explanation:

We have two chords CD and AB intersecting at E.

Using the theorem of intersecting chords

AE X EB =CE X ED

  • AE=10
  • CE=4
  • AB=16

AB=AE+EB

16=10+EB

EB=16-10=6

Therefore:

AE X EB =CE X ED

10 X 6 = 4 X ED

ED =60/4 =15

Therefore:

CD=CE+ED

=4+15

CD=19

Recall that CD is a diameter of the circle and;

Radius =Diameter/2

Therefore, radius of the circle =19/2 =9.5 Units

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3 years ago
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kozerog [31]

Answer:

X = 7

Step-by-step explanation:

because of you do 5+2 = 7 then you minus 3 which you get 4.

the. if you have a production of around 10 you will get 7.

or you can do.

3+2 which is 5 and then you multiply that by 2 which is 10 and then you comprised that number therefore you will get 6 but you have to find X so we youndelie (think that's how u spell it) X which will equal to 1 and 6+1 is 7. once you get it it's quite simple

4 0
3 years ago
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