hannahcolosimo29 hannahcolosimo29

18-08-2018
Mathematics

contestada

Find the indicated term of the arithmetic sequence with the first term a1 and the common difference
d.
a. find a7 when a1 = –8 and d = 4.
b. find a16 when a1 = 10 and d = 7.

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Аноним Аноним

18-08-2018

a. a7 = a1 + (7 - 1)d

= -8 + 6*4

= 16 answer

b a16 = 10 + 15*7

= 115 answer

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