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 ( 96+ )
Otras preguntas
11 mm 5 mm The figure is the net for a rectangular prism. 4 mm 4 mm What is the surface area of the rectangular prism represented by the net? 5 mm 4 mm 11 mm E
how government support communities affected by human rights violation?
Drag each label to the correct location on the equation. Each label may be used more than once. Identify the acids and the bases in the chemical equation.
The diagram is a schematic representation of the electron transport mechanism in mitochondria. Label the diagram to complete the model. 02 ATP ADP H20 cytoplasm
Factor completely. 3x^2 – 36x + 60
Why surviors of gender based violence may feel hesitant to report human rights violation
what were the limitations of dobereiner's classification?
Avani is starting a running plan to train for a race. In the first week of her running plan, Avani will run 7 miles. The plan calls for Avani to increase her we
Question 4 of 10 The question of how much influence a parent has in who their child becomes is studied by A. developmental psychologists. B. humanistic psycholo
Pls help me with this god bless you
