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2 years ago

Which of the following points represents the center of a circle whose

Mathematics

2 answers:

nadezda [96]2 years ago

6 0

Answer:

compare with the equation of the circle (x-a)^2 + (y -b )^2 = r^2

(a,b) are the centers of the circle

therefore, the centers are (5,4)

Step-by-step explanation:

jarptica [38.1K]2 years ago

5 0

Answer:

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

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

(x - 5)² + (y - 4)² = 25 ← is in standard form

with centre = (5, 4) → D

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AleksandrR [38]

Solution of the equation: $x=6\frac{1}{2}$

Step-by-step explanation:

The equation that we have to solve in this problem is:

$13\frac{3}{4}+x=7\frac{1}{4}$

The first step to do is to rewrite the mixed fractions as improper fractions. We have:

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And

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Now we multiply by 4 each term on both sides, and we get

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Now we subtract 29 from both sides,

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And finally, we divide both sides by 4:

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Learn more about equations:

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