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RSB [31]
3 years ago
13

Please help i dont understand this problem

Mathematics
1 answer:
DaniilM [7]3 years ago
7 0

y=x+5

Step-by-step explanation:

The opposite of y is x axis

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Determine the center and radius: x2 + y2 - 10x + 8y -8 = 0​
Kipish [7]

So our equation currently is ⇒ x^2+y^2-10x+8y-8 = 0

<u>Let's first move all the constant to one side and group 'like variables' together</u>:

      (x^2-10x)+(y^2+8y) = 8

<u>Now lets complete the square of both equations</u>

    (x^2-10x+25)+(y^2+8y +16) = 8 + 25 + 16\\(x-5)^2+(y+4)^2 = 49\\(x-5)^2+(y+4)^2 = 7^2

<u><em>Now we know the circle's general equation format is</em></u>:

   ⇒(x-h)^2+(y-k)^2 = r^2

  • (h, k) ⇒ coordinate of the center of the circle
  • r ⇒ length of radius of circle

<u>Thus the radius of the circle is 7</u>

<u></u>

Hope that helps!

7 0
2 years ago
-6x + 3x = -21 linear equations
snow_tiger [21]

well combine like terms

-3x = -21

divide both sides by -3

x = 7

8 0
3 years ago
Read 2 more answers
Pls help if your good at math marking brainliest
LenaWriter [7]

Answer:

Step-by-step explanation:

6x-1=2x+5+4x-6

separate the variables in one side, numbers on the other side

6x-2x-4x=1+5-6

0=0

one solution

8 0
3 years ago
How many feet is 25 yards?
madam [21]
It is 75 feet.Cause each yard is 3 feat
6 0
3 years ago
Read 2 more answers
What does y=1\4X-5 equal
Tema [17]

Answer:

y= -5/4

Step-by-step explanation:

download a app called math papa. it's a great cheat cheat for these types of problems

8 0
3 years ago
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