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rusak2 [61]
3 years ago
13

ARE YOU GOOD AT GEOMETRY?? WILLING TO HELP SOMEONE OUT?? NEED EASY POINTS AND BRAINLIEST?? COME RIGHT THIS WAY ALL HELP IS APPRE

CIATED! ;)

Mathematics
2 answers:
Mumz [18]3 years ago
6 0

Answer: The center is located at (-8, 3) and the radius is 5

Step-by-step explanation: To find these answer you can simply analyze the given equation and find the properties of the circle.  The center would be located at (-8, 3) because we see in the equation that we have (x + 8) and (y - 3)  We would do the opposite of the given sign in this equation meaning that the 8 would become negative and the 3 would become positive.  The radius would be 5 because 5 * 5 = 25 which is the same as given in the equation.

BlackZzzverrR [31]3 years ago
4 0

Answer:

C: (-8,3) R:5

Step-by-step explanation:

The equation of a circle can be written as:

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

where (h,k) is the center, and r is the radius

We have the equation:

(x+8)^2+(y-3)^2=25

Center:

The center is (-8,3)

(x+8)^2--> (x-h)^2

Therefore the x coordinate of the center is -8

(y-3)^2-->(y-k)^2

Therefore the y coordinate of the center is 3

Radius

r^2=25

Take the square root of both sides

\sqrt{r^2}=\sqrt{25}

r=5

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maria [59]

Answer:

  (x, y) = (1/2, -1)

Step-by-step explanation:

Subtracting twice the first equation from the second gives ...

  (2/x +1/y) -2(1/x -5/y) = (3) -2(7)

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Using the second equation, we can find x:

  2/x +1/-1 = 3

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The solution is (x, y) = (1/2, -1).

_____

<em>Additional comment</em>

If you clear fractions by multiplying each equation by xy, the problem becomes one of solving simultaneous 2nd-degree equations. It is much easier to consider this a system of linear equations, where the variable is 1/x or 1/y. Solving for the values of those gives you the values of x and y.

A graph of the original equations gives you an extraneous solution of (x, y) = (0, 0) along with the real solution (x, y) = (0.5, -1).

6 0
2 years ago
The sides of a triangle are consecutive integers.if its perimeter is 126cm,find the lenghts of the sides.
Neko [114]
X + (x + 1) + (x + 2) = 126
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3 years ago
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Answer:

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Step-by-step explanation:

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