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0.222222222 ...  =  2/9

√(2/9)  =  √(2)/√(9)  =  √(2)/3

Thank you so much geno!!!

9 sides have 1 digit (1, 2, 3, ..., 9) and 3 sides have 2 digits (10, 11, 12)

Total number of digits:  1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 2 + 2 + 2  =  15

Divide this value by the number of sides:

15 /12  =  1.25

(4x + 2)/10 + (5x + 6)/2  =  -20

The common denominator is 10; multiply each term by 10:

(4x + 2) + 5(5x + 6)  =  -200

4x + 2 + 25x + 30  =  -200

29x + 32  =  -200

29x  =  -232

x  =  -232/29  =  -8

Of the four points:  (0,0), (4,0), (4,1), and (0,1) only the point (0,1) has an x-value smaller than the y-value.

The probability that the x-value is less than the y-value is 1/4.

2, 3, and 5 are prime numbers; 4 and 6 are composite.

Therefore, (approximately) 60% of the time, he will roll a prime number and 40% of the time he will roll a composite number.

60% of 365 is 219; 40% of 365 is 146.

219 - 146  =  73 days.   

It is expected that he will eat unsweetened cereal 73 more days than he eats sweetened cereal in a year.

Terms are math expressions that are separated by plus signs or minus signs.

Therefore, there are three terms:  x⁵, -4x, and 2.

$${\mathtt{9}}{\mathtt{\,\small\textbf+\,}}{\mathtt{10}} = {\mathtt{19}}$$

Like melody said, if people complain they get attention which they enjoy.

So if we just ignore it they'll eventually get bored and move on and realise they are wasting their time. (Hopefully)