marisamsberry marisamsberry

06-06-2017
Mathematics

contestada

If the nth partial sum of a sequence an is given by sum_{k=1}^{n} 2k+4 then what is the 4th term of the sequence? A. 12 B. 14 C. 6 + 8 + 10 + 12 D. 4

Respuesta :

06-06-2017

2(1)+4=6
2(2)+4=8
2(3)+4=10
2(4)+4=12
fourth term would be 12 or A

Answer Link

Otras preguntas

A person rides there bike at a rate of 1/4 mile every 3 minutes. What is there biking rate in miles per hour?

Help me on 3-7 plz ?

Marcus boxers dog 3/5 of a mile every day how far does Marcus walk his dog 6 days

A doctor diagnoses a man with an acute strain. Which job is most likely to cause an acute strain? A. furniture mover B. bank teller C. baseball player D. h

What contraceptive methods will prevent the spread of HIV and other STDs

dipylon vase is from which period

PLEASE HELP Write a cover letter in French to a potential employer for a job in which you are interested. Explain your qualities that make you an ideal candida

What is the expression in factored form?x^2+13x+14 Also an explanation I dont understand this math at all

What can you conclude about the purpose of Grady's speech?

give an example of how humans can affect the environment and how the environment can affect people