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Anonymous
An=A1+(n-1)d d= 23-18= 5 A1=18A21 = 18+(21-1)*5 = 118
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The 'n'th term is [ 13 + 5n ].
58
41
Arithmetic- the number increases by 10 every term.
22
Every next number is increased by 5. The next number in the sequence is 23.
All you have to do is add 5 each time(x+5) It's 43
33332344444
18,23,28,33,... #1 is 18 #2 is 23 A difference of '5' Hence we can write '5n + x = 18 Where 'n' equals '1' Hence 5(1) + x = 18 5 + x = 18 Hence x = 18 - 5 = 13 So nth term is 5n + 13 NB Verification; does it work for the 4th term 5(4)+ 13 = 20 + 13 = 33 Which is true from above list.
8, 13, 18, 23, 28, etc.
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