DrPepper21 DrPepper21
  • 22-12-2017
  • Mathematics
contestada

Find the sum of the first 9 terms of the sequence. Show all work for full credit.

2, -7, -16, -25, ...

Respuesta :

IAmAMathAddict
IAmAMathAddict IAmAMathAddict
  • 24-02-2018
we can see the sequence goes by decreasing 9 on each number

so the numbers are

2, -7, -16, -25, -34, -43, -52, -61, -70

so adding all these numbers we get

2-7-16-25-34-43-52-61-70

= -306


hope this helped
Answer Link

Otras preguntas

Choose the expanded form for the expression. 4(1/4a+b+(-6) A. a+b-24 B. 4a-6b C. 4a+b-6 D. a+4b-24
how are the messages of “the road not taken” and “You” similar? make at least two points and explain each one in a paragraph
Por una tuberia de 2.65 cm de diámetro fluye agua con una velocidad de 5 m/s; en una parte de la tuberia hay una reducción en su diámetro de 0.65 cm. ¿Qué veloc
안녕하십니까 do you know this word?
How can 38 over 6 be expressed as a decimal?
HELPPP PLEASEEEEEEEEEEEEEEEEEEEEE
How is the diametre of a spherical body measured? Explain​
Write me a paragraph describing who is your all time favorite athlete. Tell me about where they are from, how they got started and involved in the sport. Tell m
thanks for the answer
Help me fast please I am really confused!!!!!!