the arithmetic mean between two terms of sequence is -4 if one of the terms is 17 find the other term.
Home
/
the arithmetic mean between two terms of sequence is -4 if one of the terms is 17 find the other term.
the arithmetic mean between two terms of sequence is -4 if one of the terms is 17 find the other term.
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
Arithmetic mean formula = (a1 + an) / 2
For that
a1 = 17
arithmetic mean = -4
an = x
Substitution,
(17 + x) / 2 = -4
17 + x = -4(2)
(17 - 17) + x = (-8 - 17)
x = -25
therefore the other term is -25