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Tutors Answer Your Questions about Sequences-and-series (FREE)
Question 87197: 2) Use the geometric sequence of numbers 1, 3, 9, 27, … to find the following:
a) What is r, the ratio between 2 consecutive terms?
Answer:
Show work in this space.
b) Using the formula for the nth term of a geometric sequence, what is the 10th term?
Answer:
Show work in this space.
c) Using the formula for the sum of a geometric sequence, what is the sum of the first 10 terms?
Answer:
Show work in this space.
Click here to see answer by jim_thompson5910(13794)   |
Question 87237: Use the geometric sequence of numbers 1, 3, 9, 27, … to find the following:
a) What is r, the ratio between 2 consecutive terms?
Answer:
Show work in this space.
b) Using the formula for the nth term of a geometric sequence, what is the 10th term?
Answer:
Show work in this space.
c) Using the formula for the sum of a geometric sequence, what is the sum of the first 10 terms?
Answer:
Show work in this space.
Click here to see answer by jim_thompson5910(13794) |
Question 87251: I would really appreciate any help with this problem. If i learn this one i should be able to do the others following. Write a recursive rule for the sequence. The sequence may be arithmetic, geometric, or neither. 6,10,14,18,22..
Click here to see answer by longjonsilver(2297)  |
Question 89745This question is from textbook Algegra & Trigonometry
: Solve the problem.
The Family Fine Arts Center charges $21 per adult and $13 per senior citizen for its performances. On a recent weekend evening when 535 people paid admission, the total receipts were $8355. How many who paid were senior citizens?
I am struggling with the right formula to use. Do I use an arthimetic or geometric sequence? Thanks in advance for the help! Annie C. This question is from textbook Algegra & Trigonometry
Click here to see answer by ankor@dixie-net.com(6693)  |
Question 91400This question is from textbook 
: I can't seem to figure out the general term of this sequence. Could you help me out?
The sequence is : 1, square root of 3, square root of 5, square root of 7, and square root of 9.
I can tell that each time, you add two to the number, but I don't know how you would say that when using the (n)th term.
I would be very grateful if someone could help me.This question is from textbook
Click here to see answer by jim_thompson5910(13794) |
Question 93195: The problem given was find E(sigma symbol)x for the following set of numbers: 2,3,5,6,8,9,11. I have read all I can find and can figure out that x=2 would go under the sigma and 11 would go on top but I can't figure out what the formula to the side would be or am I just suppose to add all these numbers up and give the sum?
Click here to see answer by stanbon(26291) |
Question 93608This question is from textbook 
: can someone show me how to do this??? it says to find the sum of the following infinite series. if a series doesn't have a sum, say "no sum"
the problem is 9 - 3 + 1 - 1/3 + 1/9 .........This question is from textbook
Click here to see answer by psbhowmick(456) |
Question 93608This question is from textbook
: can someone show me how to do this??? it says to find the sum of the following infinite series. if a series doesn't have a sum, say "no sum"
the problem is 9 - 3 + 1 - 1/3 + 1/9 .........This question is from textbook
Click here to see answer by stanbon(26291) |
Question 93766This question is from textbook
: This is a word problem that i am not so good with can someone please help! The cost of a new car is $18,000 this year. If the annual rate of in inflation is 5%, what would a new car be expected to cost in 5 years?This question is from textbook
Click here to see answer by checkley75(3666) |
Question 94827: 8, 17, 26, 35, 44,...
The first 5 terms in a sequence are shown above. Each term after the first is formed by adding 9 to the term immediately preceeding it. Which term in this sequence is equal to 8+(26-1)9?
Click here to see answer by edjones(3298)  |
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Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215
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