kneecoal1
kneecoal1 kneecoal1
  • 02-08-2021
  • Mathematics
contestada

Find the sum of ∑4/k=1 (-4k)

Find the sum of 4k1 4k class=

Respuesta :

caylus
caylus caylus
  • 02-08-2021

Answer:

Hello,

Answer C: -40

Step-by-step explanation:

[tex]\displaystyle \sum_{k=1}^4\ (-4k)\\\\=-4*\sum_{k=1}^4\ k\\\\=-4*4*\dfrac{1+4}{2} \\\\=-4*5*2\\\\=-40\\[/tex]

Answer Link

Otras preguntas

suppose two rectangles are similar with a scale factor of 2. What is the ratio of their areas?
How many minutes of news would the disc jockey have to play for every 60minutes of music
A 4.2 kg parachutist is moving straight downward with a speed of 3.85 m/s
What is 4x=12? I'm really confused and I don't know how to solve it. :(
wich is bigger 7/8 or 8/9
$120.00; 42% discount
which of the following is a characteristic of all minerals
3 ways by which parents can encourage equal power relations in a family setup
find the total weight of 10 chunks of cheese at 3/4 a pound
Which reason best explains why carbon is able to form macromolecules? Carbon is a very large element. Carbon can bond with many elements.