the sum of the 5th and 24 the term of an arithmetic sequence is 50 find the sum of 28 the term
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The sum of 5th term and 24th term is 50
Find the sum of first term and 28th term.
Also find sum of 28th term of this sequence?
ramla
Jun 14, 2016
T5 + T24 = 50
a+4d + a+23d = 50
a + a+4d+23d = 50
a + a+27d = 50
T1 + T28 = 50
Steve
Jun 14, 2016
I assume you are dealing with an AS
a+4d + a+23d = 50
2a + 27d = 50
sum of first and 28th
= a + a+27d
= 2a + 27d
= 50
28th term = a + 27d
= 50 - a
Reiny
Jun 14, 2016
the first term of a.p is 50 and the fifth term is 25 .find the sum of the first 10th term
ENE DORIS OYIHOMA
Dec 13, 2020
ade mistakenly approximate 0.005642 to 2s.f instead of 2d.p. what the percentage error correct to 2 d.p
ENE DORIS OYIHOMA
Dec 13, 2020
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