Mathematics, 27.11.2019 04:31 terry94
Jane took 20 min to drive her boat upstream to water-ski at her favorite spot. coming back later in the day at the same boat speed took her 10 min. if the current in that part of the river is 4 km per hr, what was her boat speed in still water?
Answers: 1
Mathematics, 21.06.2019 13:30
Adaylily farm sells a portion of their daylilies and allows a portion to grow and divide. the recursive formula an=1.5(an-1)-100 represents the number of daylilies, a, after n years. after the fifth year, the farmers estimate they have 2225 daylilies. how many daylilies were on the farm after the first year?
Answers: 2
Mathematics, 21.06.2019 21:50
In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?
Answers: 1
Jane took 20 min to drive her boat upstream to water-ski at her favorite spot. coming back later in...
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