beevus6258
beevus6258
03-10-2018
Mathematics
contestada
If an = n(n+2), what is a9?
20
99
108
120
Respuesta :
Kamikazeminem
Kamikazeminem
03-10-2018
[tex]a_{n} = n(n + 2) \\ a_{9} = 9(9 + 2) = 99[/tex]
Answer Link
Tucon
Tucon
03-10-2018
an = n(n+2)
⇒ a9 = 9(9+2) = 9 × 11 = 99
Answer Link
VER TODAS LAS RESPUESTAS ( 46+ )
Otras preguntas
Four cards are drawn from a standard deck. No cards are returned. a) Which is more likely: • Event A: drawing a straight (four consec
Why do we estimate a line of best fit for scatter plot
Where does the energy lost betwen levels go? (Ecological pyramid)
To join a local square dancing group, Jan has to pay a $100 per month. How many months can she dance for $400?
Local governments can be based on
Using your knowledge of meiosis and the formation of gametes, consider the following information. Down syndrome is caused by nondisjunction of chromosome pair 2
what is one way in which the qin dynasty change china
Imperial nations using control left the colonized people to govern themselves. They were willing to allow the colonies to .
Sexual reproduction produces offspring _____. similar to parents but also genetically unique. genetically identical to the parents. with the same genotype as th
The use of slavery in the Southern cotton industry helped to bring about what event?
