If three arithmetic means are inserted between 9 and 25, what is the second arithmetic mean?
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If three arithmetic means are inserted between 9 and 25, what is the second arithmetic mean?
If three arithmetic means are inserted between 9 and 25, what is the second arithmetic mean?
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Answer:
: 17 is the second arithmetic sequence. Step-by-step explanation: 9, 13,17,21, 25 d=4.