maxloar45
maxloar45 maxloar45
  • 13-05-2020
  • Mathematics
contestada

What is the sum of the series?
S (-5k +20)
13

What is the sum of the series S 5k 20 13 class=

Respuesta :

jimrgrant1 jimrgrant1
  • 13-05-2020

Answer:

- 10

Step-by-step explanation:

Substitute k = 3, 4, 5, 6 into the expression and sum the terms, that is

(- 15 + 20) + (- 20 + 20) + (- 25 + 20) + (- 30 + 20)

= 5 + 0 - 5 - 10

= - 10

Answer Link

Otras preguntas

Which of these inferences about Tom is best supported by the entire excerpt? O He cares most about making sure the fence job is done well. O He has a pre-planne
use the word "surface tension " in a sentence.
A student wrote the equation 620 = 124n. Which situation is best represented by this equation? A. Jaclyn paid $620 to stay at the hotel. She paid $124 per night
The __________ Ocean is west of Africa.
What is the value of the expression 7 + (16 − 7) ÷ 3 + 8? 12 15 17 18
[Will Give Brainliest, please help! ♥] The South Memorial School is designing a new playground. There will be a walkway that diagonally crosses the square playg
I will give 0.45×104
how was your way in school it imperative​
A pulley with a diameter of ​24cm spins at 30 revolutions per minute. Find the linear speed and angular speed of the pulley.
what are 2 facts about Subsidy?