The modeling function has period 0.8 seconds , amplitude 6 cm , and midline H = 15 cm .At time t =0.2, the bob is at its midline , moving towards the wall . Find the formula of the trigonometric function that models the distance H between the bob and the wall after t seconds. Defiance the function using radians .

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Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.

What ia the sum if the first 7 terms of the geometric series