The phrase "state of the art" should be hyphenated when it is used as an adjective, e.g.: : "This machine is an example of state-of-the-art technology", but not when used as a noun as in the following sentence: : "The state of the art in this field is mostly related to the X technology".
inter-state...
In the context of the ancient Greek societal units, it is hyphenated city-state.
The spelling is hyphenated, "forget-me-not" (Myosotis alpestris).
It is not hyphenated.
No it's not hyphenated.
Motorcycle is not hyphenated
I saw a state-of-the-art house in a state-of-the art neighborhood.
words are only hyphenated when they have a separate meaning when separated than they do when hyphenated
No, "hardworking" is not hyphenated.
Yes it should be hyphenated.
It can be. Some words can be seen both hyphenated and non-hyphenated.
The State of the Art was created in 1991.