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vannybelly83
03.05.2021 •
Mathematics
If f(x) is
then f' at (π/6) is
a) 1/2
b) - √3 / 2
c) 0
d) 1
e) - 1/2
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Ответ:
9514 1404 393
x = 7
Step-by-step explanation:
The product of segment lengths is the same for the two chords.
9(21) = x(27)
x = 189/27 . . . . . divide by 27
x = 7