naddiachoudry2110 naddiachoudry2110
  • 09-01-2018
  • Mathematics
contestada

The sum of 4 consecutive odd numbers is 40 what is the second number in this sequence

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texaschic101
texaschic101 texaschic101
  • 09-01-2018
4 consecutive odd numbers.....x, x + 2, x + 4, x + 6

x + x + 2 + x + 4 + x + 6 = 40
4x + 12 = 40
4x = 40 - 12
4x = 28
x = 28/4
x = 7

x + 2 = 7 + 2 = 9 <=== the 2nd number is 9
x + 4 = 7 + 4 = 11
x + 6 = 7 + 6 = 13
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dragonboy19871 dragonboy19871
  • 25-09-2018

the answer for this problem is 9

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