magiflores6122
06.12.2021 •
Mathematics
HELPPPP?
find the concentration of sugar in the tank after 10 minutes.
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Ответ:
C(t) = 6/55
Step-by-step explanation:
Given:
t = 10
Work:
Ответ:
n=7
Step-by-step explanation:
(5n + 7) + n = 2(2n + 1) + 3n -2
(5n + 7) + n = 4n+2+ 3n -2
(5n + 7) + n = 7n
6n + 7 = 7n
7=n or
n=7