02-02-2018
Mathematics

contestada

Find the missing specified terms in the following sequence

Arithmetic: a1, a2, 7, a4, ... , a7, 82, ...

Respuesta :

Аноним Аноним

02-02-2018

third term a3 = 7 and 8th term a8 = 82

8th term - third term = 5d where d is the common difference:-
5d = 82-7 = 75
d = 15

so a2 = 7-15 = -8
and a1 = -8 - 15 = -23
a4 = 7 + 15 = 22
a5 = 37
a6 = 52
a7 = 67

Answer Link

Otras preguntas

You are living in India during the rule of Ashoka. Write a letter to a friend describing the things Ashoka is doing as a leader. In your letter, explain whether

dado el polinomio de variable "x", identicamente nulo (3n-9)x^5+(m-2)^3+(p+7)=0 entonces halla el valor de El valor de "n" es El valor de "m" es: El valor de (n

(Doing a crossword puzzle and it has 5 letters) A new weapon developed and used in the great war/WWI

Solve the simultaneous equations . 3x + y = 10 y = 2 - x X = y =

Given f(x) and g(x) = f(x) + k, use the graph to determine the value of k.

Need some math help 50pts

Why is carbon dioxide called a gas and not vapour?

Ali said, "Where do live?"change into reported speech

What is the solution to the equation below?

Help help help please !!!! No LINKS !!!