tilly40oooo
23.05.2020 •
Mathematics
The third term in a sequence is 11.
The term-to-term rule is "take away four".
Write an expression, in terms of n, for the nth term of the sequence.
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Ответ:
4n-1
Step-by-step explanation:
The difference in the numbers is 4 so the coefficient must be 4 for the nth term meaning
4n
11 is the third term however we need to find the first so..
11=3rd term
-4
7=2nd term
-4
3=1st term
now we need to minus 4 from 3 which is -1 (3-4)
meaning the answer put together will be 4n-1
Ответ:
61 haircuts
Step-by-step explanation: