Wiki User
∙ 12y ago3 + 11 + 11 + 11 + 12 + 13 + 15 + 15 + 16 + 17 + 19 = 143
Wiki User
∙ 12y agoThe average mean is: (11+12+13+14+15)/5 = 13
13
7777777777888888899,999999-,10 10, 10, 10 10,10 10,10 11, 11, 11, 11, 11 11, 11 11, 12 12, 12 12, 12 12, 12 10, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 15, 15, 15, 16, 16, 16, 17, 18, 19,20
153
Well there are quite a few numbers that added together will equal negative 15: here are just a few examples: negative 1 plus negative 14 equals negative 15 (-1 + -14 = -15) negative 2 plus negative 13 equals negative 15 (-2 + -13 = -15) negative 3 plus negative 12 equals negative 15 (-3 + -12 = -15) negative 4 plus negative 11 equals negative 15 (-4 + -11 = -15) negative 5 plus negative 10 equals negative 15 (-5 + -10 = -15) negative 6 plus negative 9 equals negative 15 (-6 + -9 = -15) negative 7 plus negative 8 equals negative 15 (-7 + -8 = -15) negative 30 plus positive 15 equals negative 15 (-30 + 15 = -15) negative 29 plus positive 14 equals negative 15 (-29 + 14 = -15) negative 28 plus positive 13 equals negative 15 (-28 + 13 = -15) and on an on it goes.
15 + 13 + 11 = 39
162
13 - 15 - 1 + 11 = 8
The average mean is: (11+12+13+14+15)/5 = 13
13 + 21 - 7 + 12 = 15
1 is a common factor of 11, 12, 13, 14 and 15.
4/12 + 11/15 = 1 1/15
First put them in order:11, 12, 13, 15, 16, 26, 26.Then use your fingers the numbers at the opposite ends:11, 12, 13, 15, 16, 26, 26.Then keep moving in11, 12, 13, 15, 16, 26, 26.11, 12, 13, 15, 16, 26, 26.Until you come to the middle:11, 12, 13, 15, 16, 26, 26.So the median is 15.
13
(13 + 15 + 26 + 11 + 26 + 16 + 12)/7 = 17 ====
1+12=13+15=28+2=30+29=59.
7777777777888888899,999999-,10 10, 10, 10 10,10 10,10 11, 11, 11, 11, 11 11, 11 11, 12 12, 12 12, 12 12, 12 10, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 15, 15, 15, 16, 16, 16, 17, 18, 19,20