math ( sequence )

posted by .

A sequence is generated in which each term is 5 less than the previous term. If the twentieth term is -32, what is the fifteenth term ?

a. -57
b. -12
c. -7
d. 2
e. 7

please answer and explain

  • math ( sequence ) -

    There are 5 terms between T15 and T20, so we need to add 5 five times to back up from T20 to T15.

    -32 + 5(5) = -7

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Math

    3,5,-5... The first term in the sequence of #'s shown above is 3. Each even # term is 2 more than the previous term and each odd # term, after the first, is -1 times the previous term. For example, the second term is 3+2, and the third …
  2. Arithmetic Sequence

    Given the third term of an arithmetic sequence less than the fourth term by three. The seventh term is two times the fifth term. Find the common difference and the first term.
  3. math

    A sequence is generated in which each term is 9 more than the previous term, If the eighth term is 13, what is the fourth term?
  4. Math

    1. Find the 12th term of the arithmetic sequence 2, 6, 10, … . 2. Solve for the 101st term of the sequence whose 1st term is x-y and d=2x+y-3. 3. In the sequence 2, 6, 10, … , what term has a value of 106?
  5. math

    Each term in a sequence of numbers, except for the 1st term, is 2 less than the square root of the previous term.If the 3rd term of this sequence is 1, what is the first term?
  6. math

    find the first 3 term s of an arithmetic sequence in which the 21 term is -54 and the fifteenth term is -170
  7. Math

    The first term in a sequence is 4 and each of the following terms is found by multiplying the previous term by n. What is the fifteenth term?
  8. Algebra

    Which pattern could have been used to create the sequence?
  9. Algebra

    I am so lost on these problems. Write a geometric sequence that starts with 3 and has a common ratio of 5. What is the 23rd term in the sequence. Write an arithmetic sequence that has a common difference of 4 and the eighth term is …
  10. algebra1

    Which of the following functions represents a geometric sequence?

More Similar Questions