The phrase "a viable formula" is correct and usable in written English.
It can be used when discussing a method, approach, or strategy that is practical and capable of producing desired results.
Example: "After extensive research, we have developed a viable formula for increasing customer engagement."
Alternatives: "a workable solution" or "an effective method".
Rouhani's three immediate predecessors all failed to find a viable formula, however.
American officials were also dispatched to tell alliance commanders that they should not mount a full-scale offensive on Kabul until Pakistan's maneuvering produced a viable formula for a new government.
S4C, the Welsh language channel set up as a regional offshoot of Channel 4, is facing an uncertain future, with media regulators struggling to find a viable formula for its future.
But his use of this argument to reject the only viable formula for Israeli-Palestinian peace — a negotiated two-state solution based on mutually agreed upon land swaps — is wrong, and it does not serve Israel's security interests.
Thus this formula is a viable candidate for the European Healthcare market for customers desiring a hydrogen peroxide based one step cleaner disinfectant that is bactericidal and fungicidal.
More broadly there is the sense that Australia has at last found a formula, based around a viable domestic league, passing football and a home-grown coaching outfit, to provide the platform to develop a whole national football culture.
Taken together, these observations suggest that the jackknife provides a viable method to calculate CI for measures for which no analytical formula is known.
However, when breast milk is not a viable option, infants up to 6 months would need to be fed infant formula which is designed as a sole source of nutrition for these infants.
17– 23 As Coutsoudis et al 24 have pointed out, 'voracious global marketing by the formula-milk industry over the past 60 years has …dislodged breastfeeding as a viable and desirable strategy for infant feeding'.
Israel snubbed a viable partner — criminal waste.
