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irinina [24]
4 years ago
6

Please help me with this problem. I will give brainliest!

Mathematics
1 answer:
Pani-rosa [81]4 years ago
4 0

Answer:

centre = (11, 0 ), radius = 3

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - h)² = r²

where (h, k) are the coordinates of the centre and r is the radius

Given

(x - 11)² + y² = 9 ← in standard form

with (h, k ) = (11, 0 ) and r² = 9 ⇒ r = \sqrt{9} = 3

centre = (11, 0 ) and r = 3

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Tomtit [17]

Answer:

( -4, -3 )

Step-by-step explanation:

Let's solve by elimination. Reason being there are no variables without coefficients.

−5y+3x=3     Multiply equation by 3. Each term.  

−8y+9x=−12

-15y + 9x = 9       Subtract the to equations

-8y  + 9x = -12

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-7y = 21

y = -3

Substitute y into original equation

-5(-3) + 3x = 3

15 + 3x = 3            Subtract 15 both sides

3x = -12                 Divide by 3, both sides

x = -4

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3 years ago
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Answer:

Applying the Pythagorean theorem, the diagonal is calculated by:

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Hope this helps!

:)

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3 years ago
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Step-by-step explanation:

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