genyjoannerubiera
13.09.2021 •
Mathematics
An arithmetic
sequence is defined
recursively by
an= an-1 - 5.5. The
first term of the
sequence is 7.5. Write
the explicit formula
for the sequence.
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Ответ:
an = 7.5 - 5.5(n - 1).
Step-by-step explanation:
The common difference d = -5.5.
The first term is given as 7.5.
Explicit formula is
an = a1 + (n - 1)d
= 7.5 + (n - 1)-5.5
= 7.5 - 5.5(n - 1)
Ответ:
ik my abcs too, and tyyy for these points :)
Step-by-step explanation: