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 ( 51+ )
Otras preguntas
Question 9(Multiple Choice Worth 2 points) (Pythagorean Theorem and the Coordinate Plane MC) Determine the distance between the points (-3, -6) and (5,0). ©22
A toy jeep i 12 and 1/2 inche long while an actual jeep meaure 18 3/ 4 feet long what i the value of the ratio length of the toy jeep to the length of the actua
The goal of Amendments 15,19, and 26 is to ensure that (3 points) Group of answer choices citizens are not discriminated against in the workplace no citizen wil
Which theoretical approach focuses on understanding how mental health conditions are related to non-secure attachment styles, maladaptive coping strategies, and
What is the equation, in point-slope form, of the line that is parallel to the given line and passes through the point (4, 1)? y − 1 = −2(x − 4) y – 1 = negativ
Contruct a polynomial function with the tated propertie. Reduce all fraction to lowet term. Third-degree, with zero of −3, −1, and 2, and pae through the point
What type of cloud infrastructure delivers services based on security requirements, the mission-critical nature of the applications, and other company-establish
3) What amount of heat will change 78g liquid water at 30 o C to vapor at 200 o C?
What is the conflict at the heart of the hero's life as they know it and their eventual destiny? how do frodo baggins and katniss everdeen exemplify this stage
What benefit doe the article ugget yoga and meditation may provide to reduce her future rik of cancer? preventing naeua