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Cerrena [4.2K]
3 years ago
11

PLEASE HELP WILL BECOME FAN AND BRAINLIEST

Mathematics
2 answers:
blsea [12.9K]3 years ago
8 0
The standard equation of a circle is:

(x-h)^2+(y-k)^2=r^2, where (h,k) is the center of the circle and r is the radius.

We are given two endpoints of the diameter, so the midpoint of these points is the center of the circle.  (2,8) and (2, -4)  so the midpoint of the circle is:

((2+2)/2, (8-4)/2)

(2,2)

The radius is just half the length of the diameter.  The length of the diameter is 8--4=12 so the radius is 6 units, so our circle equation is:

(x-2)^2+(y-2)^2=36

serious [3.7K]3 years ago
6 0

The answer is B. Plug each point into the equation and solve it. It is true in both cases for B


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What the algebraic rule for a dilation with a scale factor of 3
Marianna [84]

Step-by-step explanation & answer:

When a dilation in the coordinate plane has the origin as the center of dilation, we can find points on the dilated image by multiplying the x and y coordinates of the original figure by the scale factor.

For example, if the scale factor is "k", the algebraic representation of the dilation is

(x, y) → (kx, ky)

For enlargements, k > 1 and for reductions, k < 1.

Hope this is what you needed:)

7 0
4 years ago
Choose the correct solution and graph for the inequality -5y&lt;_-15
riadik2000 [5.3K]

-5y <= -15

divide by -5  (flips the inequality)

y >= 3

closed circle at 3 line to the right

7 0
3 years ago
Does anyone know the answer
murzikaleks [220]

Answer:

20,160

Step-by-step explanation:

6 0
3 years ago
W is the midpoint of VX. What is VX if VW=2x+5 and WX =4x-3
Novosadov [1.4K]

Answer:

<h2>VX = 26</h2>

Step-by-step explanation:

If W is the midpoint of VX then VW = WX. Therefore we have the equation:

2x + 5 = 4x - 3          <em>subtract 5 from both sides</em>

2x = 4x - 8       <em>subtract 4x from both sides</em>

-2x = -8        <em>divide both sides by (-2)</em>

x = 4

VX = VW + WX

VX = 2x + 5 + 4x - 3 = (2x + 4x) + (5 - 3) = 6x + 2

Put the value of x = 4 to 6x + 2:

VX = 6(4) + 2 = 24 + 2 = 26

7 0
4 years ago
Use the difference of squares identity to write this polynomial expression in factored form: 9x2 − 49.
qwelly [4]
9x^2-49
It equals:
<span>(<span><span>3x</span>+7</span>)</span><span>(<span><span>3x</span>−7</span><span>)
Hope this helps!
</span></span>
7 0
4 years ago
Read 2 more answers
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