Placing the function of Machine B before A will be required in other to get a final output of 5
Given an initial input of 6 :
Function of machine A :
Function of machine B :
Placing machine B first :
Input to machine A = 30
Put x = 30 in Function of machine A :
Therefore, in other to get a final output of 5 ; place Machine B first then Machine A.
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A^2+b^2=c^2
Change the equation to suit the problem
c^2-a^2=x^2
5^2-4^2=x^2
25-16=x^2
9=x^2
Square root
3=x
The value of x is 3
A rational number is defined as a number that can be written
as a ratio of whole numbers. If it can't then it isn't.
For number 13 x=70 and y=115 hope this helped