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What describes a recursive sequence A a sequence that has a common difference between terms B a sequence that has a common ratio between terms C a sequence relating a term to one?
A: Un+1 = Un + d is recursive with common difference d.B: Un+1 = Un * r is recursive with common ratio r.C: The definition seems incomplete.A: Un+1 = Un + d is recursive with common difference d.B: Un+1 = Un * r is recursive with common ratio r.C: The definition seems incomplete.A: Un+1 = Un + d is recursive with common difference d.B: Un+1 = Un * r is recursive with common ratio r.C: The definition seems incomplete.A: Un+1 = Un + d is recursive with common difference d.B: Un+1 = Un * r is recursive with common ratio r.C: The definition seems incomplete.
Ratio of men and women in countries?
Estimated ratios of males to females range from 0.84 to 1 for Estonia to 3.29 for Qatar. The figures will be different if children (those aged below 15) are excluded but those ratios are not readily available, and I am not about to compile 200 sets population data by gender and age. There are UN databases that will allow you to do so.
How does the Fibonacci sequence apply to the golden ratio im in lower ks3 easy to understand answer please?
phi, the Golden ratio is [1 + sqrt(5)]/2 = approx 1.6180... The Fibonacci sequence is defined as follows: U1 = 1, U2 = 1 and Un =Un-1 + Un-2 for n = 3, 4, 5, ... that is, the first two terms are 1 and after that, each term is the sum of the previous two terms. Now consider the sequence Un+1/Un for n = 1, 2, 3, ... that is, the sequence of each Fibonacci number divided by the one before it. This goes U2/U1 = 1/1 = 1 U3/U2 = 2/1 = 2 and so on. Then U7/U6 = 13/8 = 1.6250 which is less than 1% away from phi. U9/U8 = 34/21 = 1.6190 which is less than 0.1% away. U16/U15 = 987/610 = 1.6180 which is less than 1 in a million away. Thus, after the first few, terms of the Fibonacci sequence increase in approximately the Golden ratio.
Sum in french onze-un-un equals?
onze moins un moins un égale neuf
How many recursive patterns can you find with 4 plus 7 as the first 2 terms?
Infinitely many. For example: Un+1 = Un + 3 or Un+1 = 2*Un - 1 or Un+1 = 3*Un - 5 or, more generally, Un+1 = k*Un + 7 - 4*k where k is any number. Each one of them will be different from the third term onwards. These are linear patterns. There are quadratic and other recursive relationships.
