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Lelu [443]
3 years ago
9

!!!!!!SHOW WORK!!!!!!

Mathematics
1 answer:
ahrayia [7]3 years ago
5 0
123 + x = 180
-123. -123
x = 57
the answer is C.
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The second hand of a clock makes a full revolution once every minute. What is its angle of rotation after 20 seconds? After 45 s
nikklg [1K]
360/60 = 6

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120 degrees after 20 seconds


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270 degrees after 45 seconds


Hope I helped!

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~ Zoe
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D

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