alan30
alan30
02-09-2017
Mathematics
contestada
how to find the sum of 2+4+6....+40?
Respuesta :
KhaiLi
KhaiLi
02-09-2017
Answer 420.
a, is the first term. d is difference.
Since this is an arithmetic progression, I use this formula.
Un = nth term
Sn = sum of terms.
First find the number of terms, which is 20.
Then use the second formula to find the sum.
Answer Link
VER TODAS LAS RESPUESTAS ( 36+ )
Otras preguntas
Anyone know? I tried and couldn't figure it out. Help is appreciated!
Urgent! will mark brainliest! Question: . Which substitution mutation has the potential to cause more damage? (1pts) a) substitution of 3rd N-base to go from A
what is a holiday but dose not give nothing out for kids in dose not celabrate the devil netheir gives thanks ? will give brainly to person who is right i nee
Help me this is a trick question for me
Which is the best description for the graph?A.The graph is increasing everywhere.B.The graph is decreasing everywhere.C.The graph is increasing, then decreasing
Titan is a moon that orbits around
According to the preamble to the tribal constitution, what are the responsibilities of its government? Check all that apply. to put tribal interests above other
What is the effect on the graph of the linear parent function, f(x) = x, when f(x) is replaced by f(x + 5)? A) The graph of the line becomes steeper. B) The gra
why did the french and indian war start in 1754
what is the relationship of between angle 8 and angle 4
