12 + 23 + 14 + 11 = 60/4 = 15
The average is therefore 15.
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Because of the pattern of plus 11 then minus ten I would go with 13 24 14
The number is -14/23 or -0.6087. Let x = the number Equation: 1/2 * x = 12 * x + 7 multiplying the equation by 2 2(1/2x) = (12x + 7)2 x = 24x + 14 x - 24x = 14 -23x = 14 x = -14/23 or -0.6087 check: 1/2 * x = 12 * x + 7 1/2 (-14/23) = 12 (-14/23) + 7 -14/46 = -168/23 + 161/23 -7/23 = -7/23
There are 24C12 = 24*23*...*13/(12*11*...*1) = 2,704,156 combinations.
The difference doubles each time. 2+3=5.. 5+6=11.. 11+12=23..Therefore the next number in the sequence would be 47, since 23+24 = 47.
If you mean: y = 12x-23 then the slope is 12 and the y intercept is -23