heeeeeey89 heeeeeey89
  • 22-09-2020
  • Mathematics
contestada

what is the sum of this arithmetic series?

what is the sum of this arithmetic series class=

Respuesta :

LivyRoss
LivyRoss LivyRoss
  • 22-09-2020
The sum of this arithmetic series is 52.
Answer Link
jimrgrant1 jimrgrant1
  • 22-09-2020

Answer:

52

Step-by-step explanation:

The ' easiest' method here is to substitute k = 1, 2, 3, 4 into the expression and sum the terms, that is

(- 2 + 6(1) ) + ( - 2 + 6(2) ) + ( - 2 + 6(3) ) + (- 2 + 6(4) )

= (- 2 + 6) + (- 2 + 12) + (- 2 + 18) + (- 2 + 24)

= 4 + 10 + 16 + 22

52

Answer Link

Otras preguntas

What is the value for B, after the equation cap a equals start fraction three over seven end fraction left parenthesis cap b minus 25 right parenthesis is rearr
12 1/2 - (-4 1/2) =​
f(x) = 6 + 2x2 − x4 (a) Find the interval of increase. (Enter your answer using interval notation.) Find the interval of decrease. (Enter your answer using inte
Which of these purchases is more likely to be paid for with cash? A.) Bag of chips B.) Furniture C.) Engine Repair D.) Plane Ticket from Apex
What do an eye A telescope and microscope have in common
Evaluate the expression below for x= 2 5/8 I need help!!
In the presidential campaign of 1860, which of the following positions was asserted by the Republican Party platform with respect to slavery? a. Slavery should
who proposed the Anaconda Plan​
I need help with number 5 please.
Help,Please go step by step​