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 cellular organelle helps maintain cell shape and plays an important role in cell division?
What is the slope of the line that passes through (-4,2) and (-1,-2)? Give your answer as a fraction
No one starts using drugs with the intention of becoming a drug addict. true or false.
Please help this nouns
you have a rectangular piece of steel whose dimensions are 20 inches by 16 inches. you are required to cut out the four corners of a rectangular sheet of steel
AP Psych The surprising ease with which people form false memories best illustrates that the processes of encoding and retrieval involve... A) implicit memory
I need help finding q'(7) where q(x) = f(x)/g(x) because: F is a zig zag line and at x = 7 the coordinates are: (7,5) however the slope is negative on the left
how did supporters of the bill describe its benefits?
what is the answer to subtract 12 from 23,then multiply by 4
The central aspect of a person's well-being is his or her spiritual health. True False