carlosiscr7
30.09.2021 •
Mathematics
30 pts!!!
Which numbers are equivalent to 34?
(Choose 2)
a. 7.5
b. 750/100
c. 75%
d. 0.75
Solved
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Ответ:
Ответ:
no he is not correct
Step-by-step explanation:
SA=113.04
SA=4pi*r^2
113.04=4*pi*r^2
113.04/4pi=r^2
8.995...=r^2
r= radical(8.995..)
r=2.9992...
r=3
the mistake happened when they forget to square the r in the SA formula