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 ( 15+ )
Otras preguntas
I need help pleasee What is the length of the dotted line in the diagram below? Round to the nearest tenth.
Which client statement indicates knowledge deficit r/t substance use disorder?a) Although legal, alcohol is one of most widely used drugsb) Tolerance to heroin
The figure below shows a partially completed set of steps to construct a rhombus PQRS: Two equal sides of a rhombus PQRS are drawn. PQ that makes an acute angl
complete the sentence÷ a) the three organs of the government are.................,................ and................. b) an....................day administrat
Which client statement indicates knowledge deficit r/t substance use disorder?a) Although legal, alcohol is one of most widely used drugsb) Tolerance to heroin
If an internet service can download a 2GB file in 50seconds Find the internet speed in MBps
find the amount of elapsed time between the pair 9:10 am to 4:44 pm
20 years ago a top of the line video game console cost $500 if the inflation rate is 5% compounded continuously how much would that same console cost today?
As a lifeguard, Kaia has received training in CPR. She sees a small child fighting a rip current in the ocean. Kaia swims out to retrieve the girl, trying to ho
In the given figure, what is the measure of angle x?
