2 years ago

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

Mathematics

1 answer:

taurus [48]2 years ago

3 0

Answer:

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:

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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.

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3 years ago