SOLUTION: The radius of a circle is 8 cm.3 times + 1 represents the length of the diameter. Write an equation for x. Then find the value of x.

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Question 1176620: The radius of a circle is 8 cm.3 times + 1 represents the length of the diameter. Write an equation for x. Then find the value of x.



Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
Assume it's:
The radius of a circle is 8 cm.
(3x + 1) represents the length of the diameter.
Write an equation for x.
%28%283x%2B1%29%29%2F2 = 8
Then find the value of x.
3x + 1 = 2(8)
3x = 16 - 1
3x = 15
x = 15/3
x = 5