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Irina18 [472]
3 years ago
14

If a circle has a radius of 18 feet what's the closest approximation for circumference

Mathematics
1 answer:
denis23 [38]3 years ago
3 0
Well, C = 2 \pi r, so that would be 2 \pi 18 = 113.0973... Round that to 113.1 and there's your answer. Hoped this helped :)

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Factorise the following 4(x-1)²-9 need solution
kumpel [21]

Answer:x= 5/2 x= -1/2


Step-by-step explanation:

4(x-1)2-9

4(x2-2x+1) - 9

4x2 - 8x + 4 - 9

4x2 - 8x - 5

4x2 +2x - 10x - 5

2x(2x+1) - 5(2x+1)

(2x-5)(2x+1)

therefore, x= 5/2 x= -1/2




mark brainliest plzz

6 0
2 years ago
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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