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	A geometric series		2018-03-13
		nathi pose la question : Hi I am really struggling with this question please help !!!! a pohutukawa tree is 86 centimetres when it is planted. in the first year after it is planted , the tree grows 42 centimetres in height.Each year the tree grows in height by 95% of the growth of the previous year. assume that the growth in height of the pohutukawa tree can be modelled by a geometric sequence. A)find the height of the tree 5 years after it is planted and figure out the maximum height the pohutukawa tree is expected to reach in centimetres. The maximum height part is not answered. Penny Nom lui répond.
	An infinite geometric series		2013-12-24
		Muhammad pose la question : The sum of an infinite geometric series is 15 and the sum of their squares is 45. Find the series Penny Nom lui répond.
	A bouncing ball		2002-12-14
		Eman pose la question : Q : When a childís ball is dropped from a height h metres on to a hard, flat floor, it rebounds to a height of 3/5h metres. The ball is dropped initially from a height of 1.2m. Find the maximum height to which the ball rises after two bounces. Find the total distance that the ball has traveled when it hits the floor for the tenth time. Assuming that the ball continues to bounce in the same way indefinitely, find the total distance that the ball travels. Penny Nom lui répond.

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