The phrase "prepared together" is correct and usable in written English.
It may be used to emphasize that two or more people undertook an activity, such as making a meal, in unison. For example, "We prepared dinner together in the kitchen."
We have to be prepared together, to put an agenda together".
White House officials would not say whether Mr. Bush and Mr. Cheney had prepared together.
"The Cambodian government also needs to enforce the laws that already exist to combat human trafficking and labour exploitation, and to respect UN conventions and action plans that have been prepared together with international organisations.
Quantum theory, however, suggests that objects which have been carefully prepared together and placed into a combined quantum state can, even when separated across the galaxy, remain "entangled," as long as neither has any significant interactions with other objects to break the entanglement.
Once the class is over, the participants sit down at the family's dinner table to enjoy what they have prepared together.
New main chain cholesteric liquid crystal copolymers having coordinated copper II) atoms in the main chain have been prepared, together with some related model compounds.
Both have similar ethnic backgrounds, and the new president worked with the Rwandans in 1997 when they were preparing together to unseat Mr. Mobutu.
Belgium's players have had more time to prepare together for the final and were at a training camp near Namur last week.
They are allowed only one hour a week to prepare together, and they hadn't been able to talk through their arguments while walking around the yard, as they usually do, because it was closed.
"It's good to be a part of the squad right at the start of pre-season because you can prepare together as a team," Emnes told Swansea City's website. .
"Like every club team in the country we have spent many months preparing together for this championship campaign, wear the Dromintee jersey with great pride and did not arrive at this decision lightly.
