Music S.
asked • 10/26/21An arithmetic sequence or progression is given by k,2k/3,k/3,0,…
An arithmetic sequence or progression is given by k,2k/3,k/3,0,...
a) Find the sixth term.
b) Find the nth term.
c) If the 20th term is equal to 15, find k.
More
1 Expert Answer
Mark M. answered • 10/26/21
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
a6 = k + (-k/3)(5)
an = k + (-k/3)(n - 1) This is the formula. Learn it!
15 = k + (-k/3)(19)
Luke J.
Your answer is "correct" and it does leave it to the poster to follow the algebra to get the solutions but it feels half done of not showing the worked out numerical or simplified answers for which the poster can compare his/her solutions to. That is the only reason I am down voting your answer.
Report
10/26/21
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
Mark M.
k,2k/3,k/3,0,… does not make sense. Check your post for accuracy.10/26/21