The phrase "acknowledges a number of" is correct and usable in written English.
It can be used when referring to someone or something that recognizes or accepts multiple items, points, or issues.
Example: "The report acknowledges a number of challenges faced by the organization in the past year."
Alternatives: "recognizes several" or "accepts multiple".
Although the Wissenschaftsrat recognises that Germany's PhD system is effective in general, it also acknowledges a number of deficits.
The panel acknowledges a number of challenges facing the field, including the need to develop better experimental models and to initiate clinical trials at earlier stages of the disease.
Still, Tiga acknowledges a number of outsiders who are engaging with the genre in a positive way, including Dubbel Dutch, Sinjin Hawk, DJ Slow, and Sam Tiba.
He spoke excitedly of the area's retail revitalization, but acknowledged, "A number of residents have been priced out".
After weeks of insisting that its review had not turned up any serious errors, Bank of America acknowledged a number of paperwork errors, including incorrect data and misspelled names.
Members of the international team, while acknowledging a number of very expensive mistakes, argue that most of the financial drag on the company from projects like the $3 billion Dabhol power plant in India could be corrected with further investment.
While the company has acknowledged a number of mistakes relating to its losses in C.I.O., an independent review committee of the board determined that those mistakes were not attributable to the risk committee".
A senior F.B.I. official, who gave reporters a formal briefing on the issue on Thursday on the condition of not being named, was not willing to go that far but acknowledged "a number of deficiencies" and frustrations in the project and said, "The application, the way it's built now, is under evaluation".
In a previous statement about the losses in its chief investment office, JPMorgan said: "While the company has acknowledged a number of mistakes relating to its losses in C.I.O., an independent review committee of the board determined that those mistakes were not attributable to the risk committee".
He was called to testify before the House Special Subcommittee on Legislative Oversight in April 1960, and though he denied ever taking money to play records, he acknowledged a number of actions that exposed what many in Congress considered a too-cozy relationship between the music industry and D.J.s, Mr. Clark in particular.
