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AVprozaik [17]
3 years ago
11

The center of a circle represented by the equation (x − 5)2 + (y + 6)2 = 42 is

Mathematics
2 answers:
devlian [24]3 years ago
7 0

we know that

The center-radius form of the circle equation is in the format

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

where

(h,k) is the center of the circle

r is the radius of the circle

In this problem

we have

(x -5)^{2} + (y + 6)^{2} = 4^{2}

where

the center (h,k) is the point (5,-6) and the radius is equal to 4 units

therefore

the answer is

The center of the circle is the point (5,-6)

natali 33 [55]3 years ago
6 0
Center = (5, -6)
.....................
You might be interested in
Please help
pychu [463]

Answer:

<h2>        y = x² - 1</h2>

Step-by-step explanation:

y = -1 for x = 0 {point(0, -1)} means -1 at the end of formula

If we add 1 to y-coordinate of  every given point we get the squares of x-coordinate:

(1, 0):   1² - 1 = 0

(2, 3):   2² - 1 = 4 - 1 = 3

(3, 8):   3² - 1 = 9 - 1 = 8

(4, 15):   4² - 1 = 16 - 1 = 15

So for any x:

(x, y)   y = x² - 1

6 0
3 years ago
When the input is 200 what is the output? Explain please.
anygoal [31]
The slope formula is delta y/delta x=m
You can choose any two points. Let's choose (0,25) and (1,30)
30-25/1-0=5/1=5
Slope intercept form is y=mx+b
b=the y intercept
y=5x+25 since (0,25) is the coordinates for the y inthercept.
Plug in 200: y=5(200)+25
Simplify and you get that y=1025
Your answer is 1025
Your welcome
4 0
3 years ago
If A = (-2, -4) and B = (-8, 4), what is the length of AB?
svetoff [14.1K]

Answer: OPTION D

Step-by-step explanation:

To solve this exercise you must use the formula for calculate the distance  between two points, which is shown below:

d_{(A,B)}=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Now, you must substitute the points given in the problem into the formula:

A(-2,-4)

B(-8,4)

d_{(A,B)}=\sqrt{(-8-(-2))^2+(4-(-4))^2}

Then, the result is:

d_{(A,B)}=10units

5 0
3 years ago
Read 2 more answers
350 yards to 420 yards
djverab [1.8K]
70 yards hoping this helps
5 0
4 years ago
Determime the measures of angles X,y and Z
Ierofanga [76]

Answer:

X = 75°

Y = 105°

Z =75

Step-by-step explanation:

8 0
3 years ago
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