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lara [203]
3 years ago
13

Find the first term of the arithmetic sequence in which t22=1008 and d= -8

Mathematics
2 answers:
iren2701 [21]3 years ago
6 0
You misunderstood lol

pantera1 [17]3 years ago
5 0
Tn = nth term
t22 = 22nd term
d = common difference
d = -8
n = number of terms
n = 22
.
tn = t1 + (n - 1)d
t22 = t1 + (n - 1)d
1008 = t1 + (22 - 1)-8
1008 = t1 + (21)-8
1008 = t1 + 168
1008 - 168 = t1
840 = t1
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