there are n coin each showing either head or tail we would like all the coins to form a sequence of alternating head or tails what is the minimum number of coins that must be reserved to achieve this

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.