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Geometric sequences
Page 4
Questions (461)
Determine 5th term in the geometric sequence whose first term id 4 and whose common ratio is 3
2 answers
asked by
Monique
576 views
Can you explain how to find explicit and recursive formula of geometric sequence given 2 terms?
23. a<4> = -12, a<5> = -6 ratio:
2 answers
asked by
Alexis
597 views
given that sinx, tanx, and sin2x form geometric sequence, show cos^3x=1/2
can someone explain this to me, i have no idea how to
2 answers
asked by
AA
585 views
given the geometric sequences:9 90/17, 900/289
find an explicit formula for an, where the first term is a1=9 an= a10=
2 answers
asked by
Rosie
550 views
find the explicit formula.
1. 0.5, -1, 2, -4 ... 2. 5, -5/3, 5/9, -5/27 ... 3. 1.25, 5, 20, 80 .... 4. -4, -24, -144, -864 ... 5.
2 answers
asked by
Angelina
475 views
in a geometric sequence,the fifth term is four times the third term,and the second term is 4.if r<0 determine the value of r,the
2 answers
asked by
thabang
990 views
The nth term of a a geometric sequence is given by a_n=27(0.1)^n-1 . Write the first five terms of this sequence.
Can i get some
3 answers
asked by
Anonymous
925 views
Math if a rubber ball drops from a height of 28 meters, and on each bounce it rebounds up 30% of its previous height, how far
2 answers
asked by
Brytanie
504 views
if p+qth term of GS is m and p-qth term is n find pth and qth term
3 answers
asked by
Wokel
510 views
The nth term of a sequences of v1,v2,v3 is given by Vn=6 2^n
(1):show that for all value of n>1 Vn1=2(Vn-3)?? (2): obtain and
1 answer
asked by
Collins
402 views
Determine the number of terms in the geometric ssequence: 1/25, -1/5, 1, -5,...., -78125
i get n=8 is this correct
1 answer
asked by
MINNIE
359 views
Find a12 for the following geometric sequence.
1/32, 1/16, 1/8,
2 answers
asked by
Tami
1,196 views
Find the first two terms of a geometric sequence if t_3+ t_4 = 50 and t_4 + t_5 =100?
t3= a(r^2) t4= a(r^3) t5= a(r^4) a(r^2)+
4 answers
asked by
Lucina
376 views
Determine whether each sequence is geometric, arithmetic, or neither. Justify your answer. (1/5), (1/4), (1/3), (1/2), 1...
1 answer
asked by
Joweria
443 views
The sum of the 2nd and 5th terms of a geometric sequence is 3.5. The sum of the 3rd and 6th is -7. Determine the ratio r of the
4 answers
asked by
h
1,130 views
Find the sum of a finite geometric sequence from n = 1 to n = 7, using the expression −4(6)n − 1.
2 answers
asked by
Mildred
1,257 views
Help me with this, please...
A ball is dropped vertically from a height of 80 meters. After each bounce, the ball reaches a
4 answers
asked by
Me and I
647 views
Give the first term of each the following given the first term a common ratio 1. a1=-2. 2 a1=3/8
3.a1= 9604 4.a1=3/5 5. a1=4/9
1 answer
asked by
Kristine
179 views
let a1,a2,a3...an be a geometric sequence with common ratio r. Find S8
a1= 3 a8= -384 r=-2
3 answers
asked anonymously
16 views
Integers a, b, c, d and e satisfy 50<a<b<c<d<e<500, and a,b,c,d,e form a geometric sequence. What is the sum of all possible
1 answer
asked by
Mathslover
354 views
Find the number of terms in each sequence.
1. 2,-6, 18,-54,,,,,-4374 Find the common ratio r and the value of a1 using the
1 answer
asked by
Jenny
596 views
Find the number of terms in each sequence.
1. 2,-6, 18,-54,,,,,-4374 Find the common ratio r and the value of a1 using the
1 answer
asked by
Jenny
443 views
2+4+8+...is a geometric sequence. Prove the sum of the first n terms is two less than the (n+1)the term.
1 answer
asked by
Olivia
322 views
4m + 1, m + 1 and 10 - m are the first three terms of a geometric sequence. Find t4.
2 answers
asked by
mina
468 views
4m + 1, m + 1 and 10 - m are the first three terms of a geometric sequence. Find t4.
3 answers
asked by
lg
948 views
find the first five terms of the sequence whose nth term is given. (-2)^n + 2^n
1 answer
asked by
Stacie
388 views
Write the first three terms of a geometric sequence that has a first term of a = 7 and a common ratio, r, that satisfies r2 = 9.
1 answer
asked by
alejandro
353 views
The sum of the first 10 terms of the geometric sequence -4, 6, -9,..., to the nearest tenth, is;
The answer is: For the geometric
1 answer
asked by
alejandro
432 views
The first 3 terms in a geometric sequence are 1.1, 1.65, and 2.475.
Part A: What is the sum of the first 6 terms of the sequence?
3 answers
asked by
Danny
440 views
The first 3 terms in a geometric sequence are 1.1, 1.65, and 2.475.
Part A: What is the sum of the first 6 terms of the sequence?
1 answer
asked by
jenny
507 views
The first 3 terms in a geometric sequence are 1.1, 1.65, and 2.475.
Part A: What is the sum of the first 6 terms of the sequence?
1 answer
asked by
jenny
443 views
Assume that the amounts of oil produced by the first, second, third, ..., wells in a new oil field form a decreasing geometric
1 answer
asked by
Michael
385 views
what is the common ratio of FDE to CAB?
3 answers
asked by
Anonymous
715 views
Find the specified term of each geometric sequence
ab^2, a^2b^5, a^3B^8, ...; t25 really stumped. I know that r= (a^2b^5)/ab^2
1 answer
asked by
Jet
362 views
find the 15th term in the geometric sequenc below 20,10,5,2.5,....
a. - 25 b. - 5 4096 4096 c. 5 d. 25 4096 4096
3 answers
asked by
Julie
509 views
verify that f(n) = 1 + 2 + 4 + 8+..+ 2^n has order 2^n
1 answer
asked by
simon
254 views
find Sn for geometric sequence with a1 = 8, n = 9, and r = -1?
Sn = a1(1-r ^n) / (1-r) = 8(1-1)/(1+1) = 8(0)/2 = 0 is this
1 answer
asked by
anonymous
928 views
find Sn for geometric sequence with A1 = 8, n = 9, and r = -1
Sn = A1 = 8, n = 9 and r = -1 Sn = A1(1-r^n) / 1-r = 8(1 -
1 answer
asked by
anonymous
348 views
use the geometric mean to find the 7th term in a geometric sequence if the 6th term is 50 and the 8th term is 18
5 answers
asked by
Taylor White
1,980 views
Year 2003 2004 2005 2006
Populatation 22.12 22.49 22.86 23.41 A. divide the population for each year by the population in the
1 answer
asked by
amber
589 views
determine sums of following geometric sequences...
A. -1/32+1/16-...+256 B. 50 over Σ 8(.5)^n-2 where n=1
1 answer
asked by
Please help me!
445 views
I need to set up a chart to find the 6th and nth terms in this sequence - and soleve for the rule or process.
here's the
3 answers
asked by
Daniel
449 views
What is the 11th term of the geometric sequence
3, 6, 12, 24,
3 answers
asked anonymously
34 views
The first term of a geometric sequence is -400, and the common ratio is −1/2.
What is the 10th term of the sequence?
3 answers
asked anonymously
33 views
The first term of a geometric sequence is -400, and the common ratio is
−1/2 What is the 10th term of the sequence?
3 answers
asked anonymously
58 views
Find the next three terms in the following geometric sequence.
32, 48, 72, 108,…
3 answers
asked anonymously
17 views
Find the common ratio of the following geometric sequence:
40, 10,5/2,5/8, …
3 answers
asked anonymously
13 views
Find the common ratio of the following geometric sequence:
−10, 40, −160, 640, …
3 answers
asked anonymously
32 views
What is the 11th term of the geometric sequence
3, 6, 12, 24, …
3 answers
asked anonymously
26 views
The first term of a geometric sequence is -400, and the common ratio is
−1/2 . What is the 10th term of the sequence?
3 answers
asked anonymously
41 views
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Parent Categories (26)
Algebra
Algebra / Arithmetic
Algebra and Equations
Algebra/Number Theory
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Arithmetic and Geometric sequences
Arithmetic and Sequences
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Financial Mathematics
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Geometry
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Math
Mathematics
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