The phrase "rely predominantly on" is correct and can be used in written English.
It is typically used when someone is discussing their dependence on something. For example: "Our company relies predominantly on online sales for our revenue."
In Dellavedova's case, not much has changed from the regular season to the playoffs save for his willingness to attack the rim and rely predominantly on one side of the arc for his attempts.
Previous simulations of enzyme systems rely predominantly on mathematical models.
Concentrated solar power projects and photovoltaic tracking systems rely predominantly on direct normal irradiance (DNI).
Tourists nowadays rely predominantly on the Internet for their travel decision-making and for purchasing travel products.
Current studies of land cover change and landscape fragmentation rely predominantly on land cover classifications derived from remotely sensed images.
According to UK Finance, more than half of people who rely predominantly on cash to the exclusion of other payment methods have a household incomes below £15,000.
Agency theory ideas were instrumental in the shift from a largely cash-based system to one that relies predominantly on equity.
That is, one strain relies predominantly on withdrawal of sympathetic tone, whereas the HR response of the other strain is principally derived from a greater imposition of parasympathetic tone.
And another group, we called Insightfuls, relied predominantly on insight.
These data suggest that reflective analysis of self, mother and abstract others relies predominantly on the same neural architecture.
The Bayesian approach to Inverse Problems relies predominantly on Markov Chain Monte Carlo methods for posterior inference.
