Concept explainers
a
To find:The mean value of the proportion between the given values.
a
Answer to Problem 9CR
The mean value is
Explanation of Solution
Given information:
The extreme numbers are given as follows:
Formula Used:Mean of the proportion
where
“ a ” is the first extreme number of the proportion
“ b ” is the second extreme number of the proportion.
Calculation :
We know that for any two numbers, the mean proportional is the square root of the product of those terms. Hence, we say
b
To find:The value of “ y ” in the given equation i.e.
b
Answer to Problem 9CR
There is no solution for the given equation
Explanation of Solution
Given information:The given equation is as follows
Calculation :
We simplify the given equation by cross multiplying the denominators. We get
Hence, we get
But this is not an acceptable solution, because for cross multiplying the denominators we assumed that
Hence, there is no solution for the given equation
Chapter 9 Solutions
Geometry For Enjoyment And Challenge
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