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The average of two real numbers is 12.75 and their product is 162.5. what are the numbers?
4 months ago
Q:
the average of two real numbers is 12.75 and their product is 162.5. what are the numbers?
Accepted Solution
A:
.5(x+y)=12.75
x*y=162.5 isolate y
y=162.5/x plug in 1st equation
.5(x+162.5/x)=12.75
.5x+81.25/x-12.75=0
.5x^2-12.75x+81.25=0
x=13 and 12.5