Brown made five 3-pointers while Kenny Kadji contributed 16 points with eight rebounds as the Hurricanes (18-3, 9-0 ACC) used a tough defense to rack up their 10th consecutive victory.
Miami, which also got double-figure scoring from Durand Scott (11) and Shane Larkin (10), held its opponents to just 37 percent shooting.
Ryan Anderson supplied 14 points and 11 boards for Boston College (10-12, 2-7).
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