if three arithmetic means are inserted between -9 and 9 , what is the second mean?
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if three arithmetic means are inserted between -9 and 9 , what is the second mean?
if three arithmetic means are inserted between -9 and 9 , what is the second mean?
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Answer:
-4.5
Step-by-step explanation:
the distance is 4.5
add4.5 to the preceding terms
-9+4.5= -4.5 second term
-4.5+4.5=0 third term
0+4.5=4.5 fourth term