melissa65 melissa65

01-12-2016
Mathematics

contestada

Find the Nth term of the following sequence...

7, 27, 47, 67, .....

Respuesta :

wizard123 wizard123

01-12-2016

Arithmetic series which we are adding 20 to get next term.

Explicit formula for arithmetic series is:
[tex]A_n = A_1 + d(n-1)[/tex]
d =20
a1 = 7

Answer Link

01-12-2016

Use the formula an=a1+d(n-1).
an=20n-13

Answer Link

Otras preguntas

Eric couldn't remember any of his childhood until he went for psychotherapy to treat his anxiety disorder. after just a few sessions, eric started remembering t

How many subsets does A have? Let A equals = StartSet 9 comma 10 comma 11 comma 12 comma 13 comma 15 EndSet {9,10,11,12,13,15}.

Angela was really busy yesterday, but she checked her work e-mail on her mobile phone in between appointments. one of the e-mails appeared to ask for some sensi

The body's reaction to long-lasting stress is associated with ____.

How is the making of the grandmother's last wind chime different for her and for her family?

Which type of verb typically includes the word to?

Given the parent functions f(x) = 5x − 1 and g(x) = 3^x − 9, what is g(x) − f(x)?

Write an exponential function that passes through the points (0, 3) and (-1, 6)

Stimuli alter the activity of excitable sensory cells and generate action potentials via _____.

x = y−4, 2x−5y = 3 Which one-variable linear equation represents the system of equations? 2(y-4)-5y = 3 2x-5(y-4) = 3 2x-5y = y-4 2x-5(x-4) = 3