'a mixed role' is a correct and usable phrase in written English.
You can use it to refer to a position or job that blends two professions, responsibilities, or activities. For example, "John took on a mixed role that required both marketing expertise and IT knowledge."
A fellow student was Richard Burton, who was to occupy a mixed role in Mitchell's reminiscences of that period.
Our cross-cutting analysis of the objectives, the employed project designs and moderation schemes and the observed learning processes in participatory processes with model use shows that models play a mixed role in informing participants and stimulating discussions.
In fact, recent studies are revealing that genes, environment, brain structure, and hormones all seem to have a mixed role in sexual orientation and preferences.
Technology plays a mixed role in driving total hospital spending in the study period.
Studies reveal a mixed role of education, suggesting that it is mediated by complex factors.
The literature reports a mixed role for ethnicity and socioeconomic background in cancer survival (Parikh-Patel et al, 2006; Moles et al, 2007, Jack et al, 2009, National Cancer Intelligence Network, 2009, van Laar et al, 2012, Ortiz-Ortiz et al, 2014).
The research study employed Bayesian Network modelling to investigate the validity of using cross-sectional and longitudinal data on water quality and land use for predicting water quality in a mixed use catchment and the role it plays in the generation of blue-green algae in the receiving marine environment.
The Hebrew school's establishment, which includes study on the history of Jews in Poland, comes at a time of increased Polish awareness of the nation's mixed role in the Holocaust, and follows four decades of a virtual news and educational blackout on the subject during Communist rule.
Team GB boasts a far more inspiring set of female and ethnically mixed role models than politics does at present.
"It would be very easy for people who watched this mixed role to think that they were not getting information that might run counter to what Lou Dobbs's editorial perspective was".
Hence mixed role transcription factors are more often mediating signaling events than their single role counterparts.
