Mathematics
Mathematics, 24.07.2019 03:30, corlissquillen13

Given two terms of the arithmetic sequence, a6=12 and a9 =-6, find a1 and d

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Mathematics, 01.08.2019 05:00, adriancastaneda
7.01 1. find the first six terms of the sequence. a1 = 4, an = an-1 + 8 a) 0, 8, 16, 24, 32, 40 b) 12, 20, 28, 36, 44, 52 c) 4, 12, 20, 28, 36, 44 d) 4, 8, 16, 24, 32, 40 2. find the first six terms of the sequence. a1 = -8, an = 5 an-1 a) -8, -40, -200, -1000, -5000, -25,000 b) -8, -40, -35, -30, -25, -20 c) 0, 5, -40, -35, -30, -25 d) -40, -200, -1000, -5000, -25,000, -125,000 3. find an equation for the nth term of the arithmetic sequence. 8, 6, 4, 2, a) an = 8 + -2(n) b) an = 8 - 2 c) an = 8 + -2(n + 1) d) an = 8 + -2(n - 1) 4. find an equation for the nth term of the arithmetic sequence. -17, -12, -7, -2, a) an = -17 + 5(n + 2) b) an = -17 + 5(n + 1) c) an = -17 + 5(n - 1) d) an = -17 x 5(n - 1) 5. find an equation for the nth term of the arithmetic sequence. a19 = -58, a21 = -164 a) an = 896 - 53(n - 2) b) an = 896 - 53(n - 1) c) an = 896 + 53(n + 1) d) an = 896 - 53(n + 1) 6. a certain species of tree grows an average of 0.5 cm per week. write an equation for the sequence that represents the weekly height of this tree in centimeters if the measurements begin when the tree is 200 centimeters tall.
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Mathematics, 27.08.2019 21:00, PearlJam819
Determine whether each sequence is arithmetic or geometric. find the next three terms. 14, 19, 24, 29, . . a.geometric, 34, 39, 44 b.arithmetic, 32, 36, 41 c.arithmetic, 34, 39, 44 d.the sequence is neither geometric nor arithmetic. i think this is c.? what are the first four terms of an arithmetic sequence if the common difference is 1.5 and the first term is 15? a.15, 30, 45, 60 b.15, 16.5, 18, 19.5 c.15, 22.5, 33.75, 50.625 d.none of the above this is b.?
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Given two terms of the arithmetic sequence, a6=12 and a9 =-6, find a1 and d...

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