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2008-07-25 Advanced Math - The Six Trigonometric Functions: Since the origin is the other point, the hypoteneuse is just the sqrt(3²+4²). Θ is the angle with x as the near side. a: far side: -4 b: close side: 3 c: hypoteneuse: 5 sin(Θ) = a/c...
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2008-07-25 Basic Math - physics math: kkknorth, The answer depends on what shape an object we are dealing with. If it's a cylinder with radius r and height h, the volume is given by V=pi*r*r*h. If the volume V and height h are known...
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2008-07-25 Advanced Math - Solving For X: I'd use a spreadsheet and put 2 in A1, 2^A1+2^-A1-5 in B1, 2^A2*(ln(2)+2^-A2*ln(2) in C1. In A2, put =A1-B1/C1. Copy A2 to A3, A4, and A5. Copy B1 to B2, B3, B4, and B5. Copy C1 to C2, C3, C4, and...
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2008-07-25 Geometry - constructing a rhombus: Hello Colleen! Make a right angle and bisect it. You now have a 45-degree angle. Measure out 1" on each of the lines using an arc as an indicator. You now know the location of 3 vertices. Maintaining...
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2008-07-24 Advanced Math - Probability: Hi Jessica, Okay, I'll try to give an example of what I believe you are asking about: Let's say a container has 5 red and 8 blue marbles. You will make two successive draws from the container, and...
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