The City duo made their first team bows at the heart of defence for Pep Guardiola's men, facing up against experienced Chairboys forward Adebayo Akinfenwa.
“I think we coped with it very well. We're young but we didn't take that into consideration," Mbete told City's website.
“We played like it was a normal game. The players and the fans helped us a lot, they were brilliant. And obviously the support from (Pep Guardiola) as well and the staff behind the scenes."
Burns agreed with his teammates' assessment, and paid tribute to the influence the fans had on his first team debut.
He added: “The fans bring excitement and encouragement to keep going and make everyone proud.
“It's the best thing to hear them all cheer, especially when a goal goes in, it gives you the confidence to get another.
“It's a dream come true to play in front of them. It's what dreams are made of!"
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