Quad Functions

Topics: Sailing, Real number, Multiplication Pages: 4 (1043 words) Published: October 29, 2012
Real World Radical Formulas
Your Name
MAT222: Intermediate Algebra (AWP1234E)
Instructor Their Name
March 9, 2012

Real World Radical Formulas

Our assignment is to solve problem 103 on page 605, parts a and b, and problem 104 on page 606, both a and b, of our text book, Elementary and Intermediate Algebra. The assignment revolves around sail boat stability and speed. The formulas we will use can give you a good starting point in planning your craft and journey if used wisely. Knowing the restrictions of a ship’s stability and maximum speed is important in real world applications. It can be applied to the design of everyday sail boats and racing boats to ensure the safety of these craft. A formula along these lines can also be used for pleasure yachts, cruise ships, and cargo craft. Knowing the stability and speed of your craft is important to safety as you will know if the sea is rough if you can navigate it safely. This also applies to the aforementioned larger craft as they can decide whether to plot a course around heavy seas or proceed as originally scheduled. The speed of the craft can be used to determine how long it will take to reach your destination. Of course there will be many other variables that would need to be taken into account, like weight of cargo or anything else you may be carrying, but it will give you a good starting point for your journey.

Problem number 103 on page 605 is regarding a Tartan 4100 sail boat. It states that the capsize screening value should be less than two to be considered safe for sailing in the ocean. The formula given is C=4d-1/3b. C is the screening value, d is the displacement in pounds and b is the beam width in feet. The exponent of -1/3 means that the cube root of d will be taken and then the reciprocal of that number will be used in the multiplication. This will be shown in the steps below. a)

C = 4d-1/3bThe given radical formula.
C = 4(23,245)-1/3(13.5)Here is the formula...
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