No, not normally.
any number made up of two words - we use a hyphen in between them. This applies to any number between 21 and 99.
Hyphen
A hyphen
Yes. "Hard-working" is a compound adjective, and therefore requires a hyphen between the two words. It is also correct to omit the hyphen and use the single word, "hardworking."
If you mean the word for 19, then there is no hyphen and it is nineteen, not nine-teen.
No, a hyphen is not needed.
No, a hyphen is not needed.
no
Generally speaking, in English, compound numbers between twenty-one and ninety-nine are written with hyphens.
The correct spelling of hyphen is nephyh
A hyphen (-) is used to join or combine words or numbers together or to separate syllables. Ex: We have to study African-Americans this year! (joining words) We have ninety-three people in band. (joining numbers) ve-he-ment (separating syllables)
The dictionaries that list it use a hyphen.