SOLUTION: I have this problem that I just can't figure out! Help please!! C = 4d-1/3b C = 4(23,245)-1/3(13.5)

Question 887556: I have this problem that I just can't figure out! Help please!!
C = 4d-1/3b
C = 4(23,245)-1/3(13.5)

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
I have this problem that I just can't figure out! Help please!!
C = 4d-1/3b
C = 4(23,245)-1/3(13.5)
-----
Sailboat stability. To be considered safe for ocean sailing, the capsize screening value C should be less than 2 (www.sailing.com). For a boat with a beam (or width) b in feet and displacement d in pounds, C is determined by the function C = 4d - (1/3)b
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a)
Find the capsize screening value for the Tartan 4100, which has a displacement of 23,245 pounds and a beam of 13.5 feet.
C = 4d - (1/3)b
C = 4*23,245 - (1/3)13.5
C = 92,975.5
=====================
b)
Solve the formula for d::
4d = C + (1/3)b
=======================
c)
The accompanying graph shows C in terms of d for the Tartan 4100 (b = 13.5). For what displacement is the Tartan 4100 safe for ocean sailing?
Comment: No graph was shown. Algebra.com does not allow for graphic
input by users.
----------------------
Cheers,
Stan H.
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