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Radda [10]
2 years ago
7

Which equation describes the circle with center (5,-1) and radius 7?

Mathematics
1 answer:
taurus [48]2 years ago
3 0

Answer:

B

Step-by-step explanation:

circle equation is :

(x - a) ^{2}  + (y - b) ^{2}  = r^{2}

With (a) being the x coordinate of the centre and (b) being the y coordinate of the centre, r is the radius;

make sure to square the radius when using it in this formula

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A scale drawing of a house shows 9cm<br> x10cm. If 6cm=12 ft, what are the actual<br> dimensions?
adelina 88 [10]

Answer:

what the answer is b

Step-by-step explanation:

hope this helped

8 0
3 years ago
What is the solution of 3(x-1)=2x+5
Tpy6a [65]
3( x - 1 ) = 2 x + 5
 
Expand 3(x-1) :

3*x - 3 x 1 

3 x - 3 = 2 x + 5

Add 3 both sides :

3 x - 3 + 3 = 2 x + 5 + 3

3 x = 2 x + 8

3x - 2 x = 8

x = 8

hope this helps!



3 0
3 years ago
Read 2 more answers
Starting at an initial position of 100 meters, a person jogs at 5 meters per second for 1 minute forward and then walks backward
il63 [147K]

Answer:

100 + (5 * 60) = 400

400 - (2*120) = 160

end position = 160

Step-by-step explanation:

6 0
3 years ago
How do I solve this question?
Jet001 [13]

Answer:

n=2.5

Step-by-step explanation:

First, write an equation!

n+5n-6+2n+1=15

Now, combine like terms to make things easier.

8n-5=15

Cancel -5 from the left to isolate 5n as a variable.

8n-5+5=15+5

8n=20

Now divide both sides by 8.

8n/8=20/8

n=2.5

3 0
3 years ago
At a grocery store, Ruth sees that a 15-ounce can of pumpkin costs $1.59 and a 29-ounce can of pumpkin costs $3.05. Which is a b
Roman55 [17]
1.59/15= $0.106
3.95/29= $0.105
Therefore, the second is better buy.
3 0
3 years ago
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