Mathematics, 11.01.2021 21:00 whitethunder05
The formula for any geometric sequence is an = a1 · rn - 1, where an represents the value of the nth term, a1 represents the value of the first term, r represents the common ratio, and n represents the term number. What is the formula for the sequence 2, -6, 18, -54, ...?
an = 2 · 3 n - 1
an = 2 · (-3) n - 1
an = -3 · 2 n - 1
an = 3 · 2 n - 1
Answers: 2
is the first term and r is the common ratio between the terms, that is, the division between them.
Another question on Mathematics
Mathematics, 21.06.2019 19:00
Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60
Answers: 1
Mathematics, 21.06.2019 20:00
Which of the following is an equation of a line parallel to the equation y=4x+1?
Answers: 1
Mathematics, 21.06.2019 20:00
Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?
Answers: 1
You know the right answer?
The formula for any geometric sequence is an = a1 · rn - 1, where an represents the value of the nth...
Questions
English, 16.11.2020 06:40
English, 16.11.2020 06:40
Health, 16.11.2020 06:40
Social Studies, 16.11.2020 06:40
Social Studies, 16.11.2020 06:40
Biology, 16.11.2020 06:40
Biology, 16.11.2020 06:40
Spanish, 16.11.2020 06:40
Mathematics, 16.11.2020 06:40
Computers and Technology, 16.11.2020 06:40
History, 16.11.2020 06:40
