cicilee49
09.12.2020 •
Mathematics
Find the 15th term: 1/2, 1/4, 0, -1/4,...
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Ответ:
Step-by-step explanation:
a(n) = a +(n-1)d
d=1/4 -1/2 =-1/4
°.° a(15) = 1/2 +(15–1) -1/4
a(15) = 1/2 -3.5
=-3
hope it will help
Ответ:
EF = 6
Step-by-step explanation:
We know that EF + FG = EG
Substitute in what we know
6x+4x=10
Combine like terms
10x =10
Divide each side by 10
10x/10=10/10
x=1
We want to find EF
EF = 6x = 6(1) = 6