This is the 14002nd most frequent Polish word.
posłużyły
"Posłużyły" means "they served" or "they were used."
In this sentence, 'posłużyły' is used to indicate that the sketches were utilized or served the purpose for the artist to make the painting.
Szkice posłużyły artystce do stworzenia pięknego obrazu.
The sketches served the artist to create a beautiful painting.
Here, 'posłużyły' demonstrates how data was employed to serve as a tool or means to address the issues mentioned.
Zbadano, jak dane posłużyły do rozwiązania problemów społecznych.
It was investigated how the data was used to solve social problems.
The word 'posłużyły' in this sentence reflects the role of the examples as foundational elements for educational purposes.