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 ( 78+ )
Otras preguntas
antonym of educated give a right answer
A tug boat horn emits a frequency of 250 Hz in 18 °C air, which has a speed of sound of 342 m/s. If the tug boat is moving away from a stationary observer at 15
Which of the following audiences is least likely to be interested in seeing data on a dashboard? A statistics professor demonstrating to their students how to g
50 points no links and i will give brainliest Part E Next, you will make a positive factual statement about your civilization. You should use this statement in
GIVING BRAINLIEST! Please help. A wooden right circular cylinder with diameter 9 cm and height 9 cm is topped with a hemisphere. The surface area, in cm^2, of
Is it ever okay for a country to push its form of government on another country? if so, what circumstances would make it okay? if not, what makes it unethical?
Brianna has a sheet of paper that is 4 feet long. she cuts the length of paper into halves and then cuts the 1 length of each of these pieces into sixths. 2 how
41. a cell phone company offers 6 different voice packages and 8 different data packages. of those, 3 packages include both voice and data. how many ways are th
What is an example of fascism?
jjhgj hu u gygy ui i i
