Find the Mean of the following numbers
a) 1/2, 3
b) 3/4, 1/3
c) -7/2, 5/4
d) -8/5, 7/9 please explain it
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Answer:
a)7/4 b)13/24 c) -9/8 d) -37/90
Step-by-step explanation:
a)mean of 1/2 and 3 is
(1/2+3)/2=7/2×1/2=7/4
b)mean of 3/4 and 1/3 is
(3/4+1/3)/2=13/12×1/2=13/24
c)mean of -7/2 and 5/4 is
( -7/2+5/4)/2= -9/4×1/2= -9/8
d) mean of -8/5 and 7/9 is
( -8/5+7//9)/2= -37/45×1/2= -37/90
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