The circle below is centered at (-1, 1) and has a radius of 3. What is its equation?
A. (x - 1)2 + (1 - 1)2 = 9
O B. (x+ 1)2 + (y - 1)2 = 9
O C. (x + 1)2 + (x + 1)2 = 9
O D. (x-1)2 + (y + 1)2 = 3
PREVIOUS

146

step-by-step explanation:

measurement of the swimming pool is given as = 7 yards 4.79 feet

first we will convert this to yards only.

1 foot = 0.33 yards

so, 4.79 feet = yards

so total yards are = yards

now we will convert this in meters.

1 yard = 0.914 meters

8.580 yards = meters

0.842 m = 0.842*100 = 84.2 cm

this becomes 7 meters and 84.2 cm

hence, the pool is 7 meters and 84.2 cm wide.

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the answer is 64 cm

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