Mathematics, 31.07.2019 11:40 ogzayy
The mean of a set of eight numbers is 8 and the mean of a different set of twelve numbers is m. given that the mean if the combined set of twenty numbers is 5, calculate m.
Answers: 1
Mathematics, 21.06.2019 20:10
Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655
Answers: 1
Mathematics, 22.06.2019 03:30
Fracisco's game involves 3 green, 2 yellow, 4 red, and 3 black marbles. if he randomly draws three marbles from the bag, without replacement, what is the probability that he will draw yellow, and then red, and then black? a)1/192 b)1/72 c)3/220 d)1/55
Answers: 1
Mathematics, 22.06.2019 08:00
Adam is building a deck in his backyard around a tree. the deck is in the shape of a regular octagon. in the center of the deck, there is a hole for the tree. if a = 10.9 ft, s = 9 ft, and the diameter of the hole is equal to 7 ft, find the area of the deck to the nearest tenth of a square foot. (use 3.14 as an approximation of pi.)
Answers: 2
The mean of a set of eight numbers is 8 and the mean of a different set of twelve numbers is m. give...
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