Work out an approximate solution to x3 + 2x - 1 = 0 1
Use the iteration Xn+1 =
x + 2
Start with x, = 1
Give your answer to 2 decimal places.​

Umm.. just started this 2day and its not on my notes(p′︵‵。)

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?