The symbol X comes from the Greek alphabet (X=chi), circa 9th century BCE. The Etruscan alphabet is a direct descendant of the Greek alphabet and the Roman alphabet descends from the Etruscan. The Roman numerals themselves are thought to derive from an Etruscan tally stick method of counting.
X
In Roman numerals the symbol "X" means 10.
It is: XI
The Roman numeral before X is IX.
The Roman symbol "X" was used to represent ten because it resembles two "V"s (which stood for five each) placed together. This symbol was part of the Roman numeral system, which used various letters to represent different numbers.
ix
The eagle was the symbol of the Roman empire.The eagle was the symbol of the Roman empire.The eagle was the symbol of the Roman empire.The eagle was the symbol of the Roman empire.The eagle was the symbol of the Roman empire.The eagle was the symbol of the Roman empire.The eagle was the symbol of the Roman empire.The eagle was the symbol of the Roman empire.The eagle was the symbol of the Roman empire.
There is no exact symbol. What you can do is subtract the symbol of 10 (X) from the symbol of 50 (L) by placing the smaller number in front of the larger as such, XL.
XHM is not a Roman numeral. There is no Roman numeral with the symbol H and although there are numerals with the symbols X and M, X would never be placed before M in a numeral.
To write the number 9 in Roman numerals, you would use the symbol 'IX'. This is made by combining the Roman numeral for 1, 'I', and the Roman numeral for 10, 'X', subtracting 1 from 10.
XLIX = 49
There is a symbol X in the Roman numeral system. The symbol X represents the number 10. For example XII = 12, XIV = 14, XVIII = 18, XIX = 19 and XXX = 30.