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prisoha [69]
4 years ago
5

If (-4,-2) and (2,6) are opposite points on a circle, what is the equation of the circle?

Mathematics
1 answer:
lord [1]4 years ago
6 0
The center is the midpoint of these two points, so is ((-4+2)/2, (-2+6)/2) = (-1, 2). The radius is the distance from the center to either of these points. Its square is 3^2 +4^2 = 25.

The equation of the circle is
.. (x +1)^2 +(y -2)^2 = 25

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Please help with this asap!! :)
Llana [10]

Answer:

x = 11

Step-by-step explanation:

Given :

AB = x + 5

BC = 2(x - 3)

AB = BC

AB = BC

x + 5 = 2(x - 3)

x + 5 = 2x - 6

5 + 6 = 2x - x

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happy to help :)

3 0
3 years ago
Suppose Q is the midpoint of PR. Use the information to find the missing value.
murzikaleks [220]

Step-by-step explanation:

If Q is the midpoint of PR

Then PQ + QR = PR

(6x + 25) + (16 - 3x)

group the same terms and add them

(6x - 3x) + (25 + 16)

Hence PR = (3x + 41)

But to find the value of PR....If Q is the midpoint....then PQ = QR...since they are both half lengths of PR;

; 6x + 25 = 16 - 3x

; 6x + 3x = 16 - 25...;9x = -9

Hence the value of...x = -1

Then substitute the value of x into the equation of PR....3x + 41

;3(-1) + 41

;-3 + 41

Hence PR = 38

3 0
3 years ago
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Answer:

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Step-by-step explanation:

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6 0
3 years ago
What is the range of the following function
Shtirlitz [24]

The answer: -5 ≤ y ≤ 6

The range is all the possible output or y values of the function.

Our first point is at (1, 6) and our second point is at (-4, -5)

That means our y values are 6 and -5. Let's set up a compound inequality to represent our function.

-5 ≤ y ≤ 6. This means that x is greater than or equal to -5 and less than or equal to 6.

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True [87]

Answer:

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Step-by-step explanation:

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7 0
2 years ago
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