Aysha1311
21.12.2019 •
Mathematics
Given the arithmetic sequence a1,a2,a3,a4 44, 51, 58, 65 what is the value of a39?
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Ответ:
Any arithmetic sequence can be expressed as:
a(n)=a+d(n-1), a=initial value, d=common difference, n=term number
Here we have a=44 and d=7 so
a(n)=44+7(n-1)
a(n)=44+7n-7
a(n)=7n+37, so the 39th term is:
a(37)=7(37)+7
a(37)=266
I am assuming that 44 is the first term, not the 5th term...if 44 was the fifth term let me know and I will edit to reflect that...
Ответ:
HJ
Step-by-step explanation:
it is what it is