Aluminum IXX x 2.79= steel IXX
The Ixx and Sxx values of a steel bar refer to its moment of inertia (Ixx) and section modulus (Sxx) about its x-axis, which is typically the axis about which bending occurs. The moment of inertia (Ixx) is a measure of the distribution of the cross-sectional area relative to the axis, affecting how the bar resists bending. The section modulus (Sxx) is derived from the moment of inertia and is used to determine the strength of the section under bending loads. These values depend on the specific cross-sectional shape and dimensions of the steel bar.
its a IXX hope it answers your question
This math riddle relates to Roman Numerals where 19 is IXX, 1 is I, and 20 is XX. By removing I from IXX, you are left with XX.
Because of changes to the rules governing the Roman numeral system today we would convert 19 into Roman numerals as XIX. But during the Roman era the equivalent of 19 was XVIIII and it was probably simplified to IXX (-1+20=19) because the Latin word for IXX literally means one from twenty.
19
........___ VI/X/IXX XC I That line over IXX is crucial. remove/ignore the dots...
IXX
Due to rules made during the Middle Ages, today we write out 19 in Roman numerals as XIX. But the Romans themselves would have probably wrote out 19 as XVIIII and then simplified it to IXX. In fact the Latin word for 19 is "undeviginti" which literally means one from twenty. Hence: IXX*IXX = -I*IXX + XX*IXX = +I-XX-XX+CCCC = CCCLXI (361) In Hindu-Arabic numerals: -1(-1+20) + 20(-1+20) = +1-20-20+400 = 361
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19-6-2010 though today's modern convention is to write out 19 as XIX but the Romans themselves would have probaly used IXX
Well, darling, "Ixx" is just a placeholder used in engineering to represent a moment of inertia about the x-axis. It's basically a fancy way of saying how resistant an object is to changes in rotation around that particular axis. So, next time you hear "Ixx," just remember it's all about that rotational resistance, honey.
King Carolina IXX of England