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Brut [27]
3 years ago
10

PLEASE HELP! I'LL GIVE BRAINLIEST:)

Mathematics
2 answers:
Taya2010 [7]3 years ago
5 0

Step-by-step explanation:

We know that if (h,k) is the center of any circle and whose radius is = r then its equation is :

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

Given, the equation of circle

{(x + 2)}^{2}  + (y - 3) ^{2}  = 25 =  {5}^{2}

By comparing, we will get,

h = -2

k = 3

So, center of the circle is ( -2,3)

\large \green{  \:  \:  \:  \:  \boxed{\boxed{\begin{array}{cc} \bf\:Mark\\\bf\:me\:as\\\bf brainliest \end{array}}}} \\

blagie [28]3 years ago
4 0

Answer:

-2;3

Step-by-step explanation:

we have a formular

(x-a)^2 +(y-b)^2=c

the center of the cirlce is (a;b)

so in this case it's (-2;3)

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8 0
3 years ago
If f (x) = x2 + 3x – 2 , find f (-2).<br><br> PLEASE HELP!
stira [4]

Answer:

f(- 2) = - 4

Step-by-step explanation:

Step-by-step explanation:

To evaluate f(- 2) substitute x = - 2 into f(x) , that is

f(- 2) = (- 2)² + 3(- 2) - 2 = 4 - 6 - 2 = - 4

8 0
3 years ago
Can someone help me with this math? explain your answer too.​
Contact [7]

Answer:

1.  Consistent independent.

2.  Coincident

3.  Inconsistent.

Step-by-step explanation:

4x + y = 8

x +  3y = 8   Multiply this equation by -4:

-4x - 12y = -32

Adding this to the first equation:

-11y = -24 giving y = -24/-11 = 2.18

Substituting in the first second equation:

x + 3(2.18) = 8 giving x = 1.46.

So this system of equations has roots (1.46, 2.18)  and is consistent independent.

2.

-4x + 6y = -2

2x - 3y = 1   Multiply this by -2:

-4x + 6y = -2

So these 2 equations are the same and will give the same graph on the coordinate plane, and so has:

Infinite solutions  and is coincident.

3.

5x - 2y = 4

5x - 2y = 6

We can see immediately that this system of equations has NO Solutions.

If we subtract the 2 equations  we get:

0 = -2 which is of course, absurd.

Classification Inconsistent.

5 0
3 years ago
I will delete your answer if u give me a dum one. Any one need a 13 r old boy.friend? I skateboard and play baseball
Wewaii [24]
No bro im goood!&.!:&//&
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There were 324 adults surveyed. Among the participants, the mean number of hours of sleep each night was 7.5 and the standard de
kirill [66]
0.17 sense you have to round it to the nearest hundreth


5 0
3 years ago
Read 2 more answers
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