= k
= - 
where a, d are extremes and b,c are means and the product of the extremes equals the product of the means (a*d=b*c), 
or
(you can check this also by "the product of the extremes equals the product of the means")
What is the ratio of x to y?
3/2=2x/2x+y
a. -3/2
b. -2/3
c. 2/3
d. 3/...
Mathematics, 24.09.2019 09:30, musicfrk2207
What is the ratio of x to y?
3/2=2x/2x+y
a. -3/2
b. -2/3
c. 2/3
d. 3/2
Answers: 1
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