The following sequence is an arithmetic sequence. you are now shown very many terms of this sequence, but you are shown enough to fill in the missing number. what number goes in the blank? 14, _,56

because it is arithmetic not geometric 14,x,56 An = An-1 + d x = 14 +d --> d = x-14 56 = x +d --> d = 56-x By substitution x-14 = 56-x 2x = 70 x = 35 the sequence is 14,35,56

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step-by-step explanation: