48
seventy-seven27 + 1 + 2 = 3030 + 47 = 77
86 + 47 = 133
-47
46+1
4/7 plus 1/10 = 47/70
1:32 + 47 minutes is 2:19. 132 minutes plus 47 minutes is 179 minutes, which is 2 hours and 59 minutes.
6 + 4 + 12 + 18 + 72 + 1 + 2 + 3 + 8 + 9 + 24 + 47 = 206
A particle with 47 protons and a +1 charge is a silver ion, specifically silver-47 or Ag+1.
47 plus 61 is equal to 108.
16 + 12 + 47 = 75
47 plus 39 gives 86.
6x3 - x2 + 17 = 2x2 + 47 6x3 - x2 - 2x2 = 47 - 17 x2(6x - 1 - 2) = 30 this is the simplest factorisation.