SOLUTION: What are two arithmetic means between -1 and -10

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Question 1143862: What are two arithmetic means between -1 and -10
Answer by ikleyn(52790) About Me  (Show Source):
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Two arithmetic means divide the segment [-1, -10] into three equal dub-intervals of the length 

of  %28-1+-+%28-10%29%29%2F3 = %2810-1%29%2F3 = 9%2F3 = 3 units each.


Hence, the two arithmetic means are  -7  and  -4.    ANSWER