Chứng minh R^n là một R-môdum khi R là một vành có đơn vị và n là một số nguyên dương

chad should not have included the values (1, 2) and (3, 6) because that would mean he only had half a healing card.

3< x< 5

step-by-step explanation:

|x - 4| < 1

there are two solutions, one positive and one negative.   remember to flip the inequality when taking the negative solution

x-4 < 1       x-4 > -1

add 4 to each side

x-4+4 < 1+4       x-4+4 > -1+4

x< 5                 x> 3

3< x< 5

3/6 chance

step-by-step explanation:

half of the nubers are odd numbers (1,3,5) which in that case if you would be told to simplify it would be 1/2

3100

step-by-step explanation: