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

unos libros de nosotros nuestros libros nuestras libros sus libros tus libros
she always does her homework into negative​
Can someone please assist me...thank you​
If you apply the changes below to the absolute value parent function, 1(x) = 1X, what is the equation of the new function? Shift 8 units left. • Shift 3 units d
pls help asap .........................
Good morning 2 all ,What is mechanical advantage write its formula. Have a good day thank you ✌​
Please help me ASAP I need help
Which of the following is a proper first-aid procedure
Find the axis of symmetry of the graph of y = x2 + 2x + 2 A- x= 1 B- y=1 C- x= -1 D- y=-1​
there are x boys and y girls at the camp.how many children are at the camp altogether? (EXPRESS YOUR ANSWER IN TERMS OF X AND Y )