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March 3, 2015

Posts by jennie


Total # Posts: 103

proof by induction
proof by mathmatical induction that the sum of the first n natural numbers is equal n(n+1)/2 It's true for n = 1. Assume that it is true for some n. Then the sum of the first n+1 natural integers can be obtained by dding the last number n+1 to n(n+1)/2. So, the assumption ...
March 4, 2007

math-PLEASE HELP ME!
# of words: 36 72 108 144 180 216 # of sec: 10 20 30 40 50 60 PLEASE HELP ME!!!!!!!
January 30, 2007

math
Find the percent of 42377 books i dont understand how to find percents You don't have enough information to calculate percent. If we had a total of 42,377 books and we sold some of them %books sold=(# books sold/42,377)x100 the question says: For 1980, find the percent of ...
January 17, 2007

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