taleek
taleek
08-04-2018
Mathematics
contestada
The sum of the series shown in the picture
Respuesta :
mkryukova19
mkryukova19
08-04-2018
partial sum of arithmetic series = n(a1+an)/2
a1=14
an=-280
an=a1+d(n-1), d=2-8=-6
-280=14-6(n-1)
-294=-6n+6
-300 = -6n
n=-300/(-6)=50
partial sum of arithmetic series = 50(14-280)/2=-6650
Answer Link
VER TODAS LAS RESPUESTAS ( 66+ )
Otras preguntas
jermaine is a psychologist who works at a major urban hospital to develop stress management plans for people who have recently had open-heart surgery. Jermaine
Multiply -3/4 x -4/7
Consider the function H defined by H(x) = 10. Evaluate H(7)
What does 2 + 1+ 1 x 10 =
anatomists and other professionals always assume the body is in its ____ position when discussing the position of something on or in the body.
seven times the difference of y and one
which of the following sentences is written in a passive voice
What aspect of life did Archimedes’ screw most impact?
Will give brainliest! Please explain how to solve this! Given the proportion of a/b=8/15 what ratio completes the equivalent proportion of a/8?
In 2006, the international astronomical union produced a major announcement concerning pluto. What was it?
