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77julia77 [94]
1 year ago
10

X2+ y2 - 8x - 12y + 27 = 0 Center: Radius:

Mathematics
2 answers:
Rainbow [258]1 year ago
8 0

Answer:

Give George brainliest!

Step-by-step explanation:

Serhud [2]1 year ago
3 0

Answer:

Step-by-step explanation:

You have:

x^2+y^2-8x+27=0

Since the variable 'x' appears twice, I am going to choose to group together the terms as to create a 2nd degree trinomial:

(x^2-8x+27)+y^2=0

This allows us to complete the square and factor the trinomial:

(x^2-8x+16-16+27)+y^2=0

(x^2-8x+16)+11+y^2=0

(x-4)^2+y^2+11=0

(x-4)^2+(y-0)^2=-11

This is not a valid circle equation in the real plane. It has a complex radius of:

r=i\sqrt{11}

And is centered at the point:

(4,0)

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Dmitriy789 [7]
A product is the answer that you get when you multiply numbers together. So for this problem, you have 2 groups to multiply together. Since I cannot show a square or cubed x, I will put an x2 for x squared and an x3 for x cubed. You have to multiply each number in the first parentheses by each number in the second parentheses. Then combine any like sets.

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5 0
3 years ago
-2(x + 2) = -2x ++ 5x -1
earnstyle [38]

Answer:

-⅗ = x

Step-by-step explanation:

Here is what you get when you distribute the -2 on the left side of the equivalence symbol and combine like-terms on the right side of the equivalence symbol:

-2x - 4 = 3x - 1

Here is the solution:

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----------------

-5x - 4 = -1

4 +4

----------------

-5x = 3

----- -----

-5 -5

x = -⅗

I am joyous to assist you anytime.

8 0
3 years ago
A tiling company completes two jobs. The first job has $1200 in labor expenses for 40 hours worked, while the second job has $15
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3 years ago
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<em>BRAINLYEST PLZ PLZ PLEASE </em>

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