SOLUTION: please help me I need help bad can't understand this book thank you A function gives the value of C as 2x(22/7) xr. Find C when r= 21cm

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Question 169966This question is from textbook elementary and Intermediate algebra concepts and application
: please help me I need help bad can't understand this book thank you
A function gives the value of C as 2x(22/7) xr. Find C when r= 21cm
This question is from textbook elementary and Intermediate algebra concepts and application

Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!
I think that you are using 'x' as a multiplication sign, so your function is:

and you want the value of C when r = 21 cm.

Just substitute the value 21 for r in the function and do the arithmetic.



I'll leave the arithmetic to you.

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