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Algebra 71 Online
OpenStudy (anonymous):

suppose you drop a tennis ball from a height of 9 feet. after the ball hits the floor, it rebounds 80% of its previous height. a. 5.8 ft b. 1 ft c. 4.6ft d. 7.2ft is the sequence arithmetic? if so, identify the common difference. 17,22,33,46,... a. yes;5 b.no c. yes;-5 d. yes;11 what is the 12th term of the sequence 20, 16, 12,... a.-30 b.-20 c.-28 d.-24 find the missing term of the arithmetic sequence 20,___,32,.. a.42 b.18 c.34 d.26 is this sequence geometric? 1/3, 2/9, 4/27, 8/81, 16/243 a.yes;2/3 b.yes;1/9 c. yes;1/6 d. not geometric

OpenStudy (anonymous):

I will give a medal to who ever can answer all of these

OpenStudy (ashchu117):

for the top one use http://www.onlineconversion.com/percentcalc.htm

OpenStudy (ashchu117):

arithmetic sequences are increasing by a constant value

OpenStudy (ashchu117):

and geometric sequences are the products of the value previous multiplied by x (some value)

OpenStudy (anonymous):

1) 7.2 2)no 3)-24 4)26 5)yes 2/3

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