The phrase "and also decided" is correct and usable in written English.
It can be used when you want to indicate that a decision was made in addition to something else previously mentioned.
Example: "After much discussion, we reached a consensus and also decided to implement the new policy immediately."
Alternatives: "and additionally resolved" or "and furthermore chose".
Officials granted the request and also decided to fly the official Players Championship flag at half-mast.
He sought out Desormeaux and also decided to equip his horse with blinkers, which he hoped would get him to relax in the early going of his races.
But in January parliament withdraw the permit issued to Chevron, and also decided to ban exploration of shale-gas reserves using the controversial hydraulic-fracturing (fracking) technique.
The prince asked Yasir Arafat to come up with a clear, realistic vision -- and also decided to offer one on his own.
He was impressed by art shows in Greenwich Village, and also decided to get another bachelor's degree at New York University in philosophy.
Is it possible that Kelly chose both a traditional death and also decided to have a second version of herself uploaded to San Junipero?
Mayoral appointees oversee the nation's largest public housing system and also decide rents for one million private apartments.
He will have to enforce a new regime of federally imposed oversight, and also decide whether to reappoint the current chief, Bernard Parks.
After 2020 it will introduce a longer term industrial ETS, and also decide what other sectors might be covered, for example agriculture or road transport.
Contextual Goal Models (CGM) capture the power of context on banning or allowing certain alternatives to reach requirements (goals) and also deciding the quality of those alternatives with regards to certain quality measures (softgoals).
Although universities would be free to weight marks how they wished and also decide on whether to include marks for first-year students, the report stressed the importance of establishing a universal approach to GPA.
