Sum of nth term of arithmetic sequence is given by Sn = n/2[2a + (n - 1)d]
Here, a = 6, n = 26 and d = 14 - 6 = 8
S26 = 26/2[2(6) + (26 - 1)8] = 13[12 + 25(8)] = 2,756
20*(26+3.15*4) = ?
20*(26+12.6) = ?
20*(38.6) = 772
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Answer:
2.295 seconds
Step-by-step explanation:
39.09-36.795
=2.295 seconds
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