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liubo4ka [24]
3 years ago
13

Write the equation of a circle with a center at (2.5, –3.5) and a diameter of 12.

Mathematics
1 answer:
Paul [167]3 years ago
3 0

Answer:

second option

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 is the radius

Here diameter = 12, thus radius = 12 ÷ 2 = 6 and (h, k) = (2.5, - 3.5), thus

(x - 2.5)² + (y - (- 3.5))² = 6², that is

(x - 2.5)² + (y + 3.5)² = 36 ← equation of circle

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8 0
3 years ago
Tara has a magnet collection from places she visited. She measures the length of the magnets to the nearest half inch and record
gregori [183]

Answer:

there are more magnets that  longer than 2 1/2

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one.  

Please have a look at the attached photo.  

My answer:

From the photo, we can see that:

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Answer:

if you help me

Step-by-step explanation:

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