alaynaakrie9151
17.03.2021 •
Mathematics
A mechanical device makes a clicking sound every 3 seconds. If the device was plugged on for 15 hours, calculate the number of times the device made the clicking sound.
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Ответ:
Why?
15•60=900
(The 60 is because there are 60 mins in an hour).
Hope this helps!!
Ответ:
D. 41
Step-by-step explanation:
It has to equal 119 because it is the same angle as the 119
3x - 4 = 119
+4 +4
3x = 123
Divide both sides by 3
x = 41