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Vlad [161]
3 years ago
9

PLEASE help!! BRAINLIEST to correct answer!!

Mathematics
1 answer:
katrin [286]3 years ago
3 0

The general equation for a circle is:

(x-h)^2+(y-k)^2=r^2

Where the center is (h,k) and the radius is r.

The equation we are given is:

(x-2)^2+(y+3)^2=80

From this, the center is (2,-3), and the radius is \sqrt{80}, or 4\sqrt{5}.

Let me know if you have any questions, thanks!

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Show work and answer .............
Lelechka [254]

Answer:

1. 5

2. 5

3. -3

4.y= -1

5. 5

Step-by-step explanation:

1.)x- 2y= -25 ; y=3x

x-2(3x)=(-25)

x-6x=(-25) ; -5x=(-25) ; x=5

2.) 5x+3y =40; x=y

8y=40; y=5

3.) 4x-3y= -27; x=3y

4(3y)-3y= -27; 12y-3y=-27; 9y=-27; y=-3

4.)x-y=9; x=-8y; -8y-y=9; -9y=9; y=-1

5.) 2x+2y=30; y=2x ; 2x+2(2x)=30; 6x=30; x=5

8 0
3 years ago
Question 1 or 10
Snezhnost [94]

Answer:

C. y-2 = 4(x+1)

Step-by-step explanation:

4 0
3 years ago
55,516 ÷ ? = 5.5516
likoan [24]

Answer:

55,516 ÷ ? = 5.5516 - ? = 1,000

5,551,600 ÷ 10,000 = ? - ? = 555.16

? ÷ 10,000 = 55,516 - ? = 5.5516

55,516,000,000 ÷ 10,000 = ? - ? = 5551600

Step-by-step explanation:

Hope this helps

3 0
2 years ago
Read 2 more answers
What is the surface area of the cube<br><br><br> 64mm<br> 192mm<br> 384mm<br> 512mm
Contact [7]
384 would be your answer. Hope this helps!
4 0
3 years ago
Read 2 more answers
1) What is 30% of 60?​
e-lub [12.9K]

Answer:

30% of 60 is <em><u>18</u></em>.

Hope this helps!

7 0
4 years ago
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