muthu

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A cannon ball is fired straight up into the air at a speed of 80 ft/sec from a height of 2 ft. a)when will be the cannon ball be 98 feet in the air. b) when will the cannon ball hit the ground?

3)there are two medians -2 and 3 , so the median is the mean of -2and 3, that's (-2+3)/2 = 1/2=0.5 mode is an average , you can not say there is no average for a given data , so here any value can be taken as the mode 8) the mean = -1.25 median = mean of...

hi PETER, In the first question you didn't say anything about how the risk is measured,and at what level of plasma chloesterol concentration the risk starts with . and in the second one , how many times that person smokes per day , and how it is effective...