wlackey2020
22.06.2019 •
Mathematics
Find 63% of 77. a. 0.485 b. 48.5 c.0.818 d.81.8
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Ответ:
b) 48.5
Step-by-step explanation:
63%= 0.63*77= 48.5
Ответ:
2*r*pi=400
Dividing by 2pi, we see that:
r=200/pi
This is approximately 63.66.