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Korolek [52]
3 years ago
12

A pendulum completes 7 swings every

Mathematics
1 answer:
abruzzese [7]3 years ago
5 0

Answer:

140 swings

Step-by-step explanation:

as we know that it completes 7 swings in 3 seconds so, to find swings of 1 second =7/3

an now we have to find swings of 60 seconds(1 minute=60 seconds)

so, swings of 1 min = 7/3×60

= 140 swings

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Lucy graphed the equations x + 9 y = 5 and 4 x + 15 y = negative 1 and saw that they intersected at the point (–4, 1) as shown.
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