Asked by Favour
The 8th term of a linear sequence is 18 and the 12th term is 26 find the different between the 10th term and the 4th
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Answered by
Pou 😋
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Answered by
Favour
Answer
Answered by
mathhelper
The 8th term of a linear sequence is 18 and the 12th term is 26
--->
a + 7d = 18
a + 11d = 26
subtract them:
4d = 8
d = 1/2
back into the first:
a + 7(1/2) = 18
solve for a
then find
(a+9d) - (a+3d) = .....
--->
a + 7d = 18
a + 11d = 26
subtract them:
4d = 8
d = 1/2
back into the first:
a + 7(1/2) = 18
solve for a
then find
(a+9d) - (a+3d) = .....
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