If x is the mean proportional between 12.8 and 64.8 and y is the third proportional to 38.4 and 57.6 , then 2x: y is equ…
Q1
If x is the mean proportional between 12.8 and 64.8 and y is the third proportional to 38.4 and 57.6 , then 2x: y is equal to:
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