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

What is the meaning of Pangaea
2 friends want to equally share 4/3 feet of rope.What length of rope should ea friend get?
the perimeter of a square is 4 times as great as the length of any of its sides. Determine whether the perimeter of the square is proportional to the side lengt
My daughter needs a synonym for tired and all the word she has is problem , story and banquet
Evolution is: A) A change in the composition of a population from one generation to the next.B) A phenomenon that must be inferred from evidence, because it can
What does imagery mean
which is more acidic pH2, pH4 or pH6?
Help please this I'd for geometry
next term in sequence 61, 122, 244, 488
how does.debate in the senate differ from debate in the house?