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Oksi-84 [34.3K]
2 years ago
12

ASAP need answer to this system of equations... ILL give brainliest to correct answers only

Mathematics
1 answer:
pshichka [43]2 years ago
8 0

Answer:

(7,12),(-12,-7)

Step-by-step explanation:

x^2 + y^2 = 193

x - y = - 5

x = y - 5

(y - 5)^2 + y^2 = 193

y^2 - 10y + 25 + y^2 = 193

2y^2 - 10y + 25 = 193

2y^2 - 10y + 25 - 193 = 0

2y^2 - 10y - 168 = 0

2*(y^2 - 5y - 84) = 0     This factors into

2*( y - 12) (y + 7) = 0

y = 12    

in which case x = 12 - 5 = 7

y = - 7

in which case x = -7 - 5 = - 12

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Answer:

Step-by-step explanation:

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3 years ago
What is the image of (2,3)(2,3) after a reflection over the line y=-xy=−x?
otez555 [7]

Answer:

After the reflection over the line  y = -x, the image of the point is: (-3,-2)

Step-by-step explanation:

When a given point is reflected over a line the point only changes place but the distance between the point and the line remains same.

Let (x,y) be a point on the plane

and

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4 0
3 years ago
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bulgar [2K]

Answer:

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Step-by-step explanation:

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2 years ago
Identify if the proportion is true or false. 4 to 11 = 12 to 33.
yuradex [85]

Answer:

True

Step-by-step explanation:

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