lilcutessarah7834 lilcutessarah7834

01-01-2018
Mathematics

contestada

27,9,3... find the 7th term of the geometric sequence

Respuesta :

anchitthawi anchitthawi

03-01-2018

an= a1r^(n-1)
a7= 27(1/3)^(7-1)
= 27(1/3)^6
= (1/3)^(-3) * (1/3)^6
= (1/3)^(-3+6)
= (1/3)^3
= 1/27 #

Answer Link

Otras preguntas

Determine whether a quadrilateral with vertices A(3, 7), B(1, - 1), C(- 6, - 3) and D(- 2, 5) is a parallelogram. Use the slope formula

What is a utopian socialist and a what is a communists?

I need some clarity on this problem

Solve this? jfhbfjiehrfjeirhfghfrjerfhghjrhfgbfjri

AB and BC form a right angle at point B. If A= (-3, -1) and B= (4, 4), what is the equation of BC A. x + 3y = 16 B. 2x + y = 12 C. -7x - 5y = -48 D. 7x -

HELP IM TIMED PLEASEEmesto tried to determine the solution for the system of equations using substitution. His work is shown below. x-y=7 3x – 2y = 8 Step 1: x=

Which sentence is grammatically correct? Margarita conoce a Pablo. Margarita conoce Pablo. A Margarita sabe Pablo. Margarita sabe a Pablo.

Explain why 82.5 + 8(0.25x) = 338.5 is equivalent to 82.5 + 2x = 338.5

i need help please help with this

At night, an equilibrium reaction between two different nitrogen compounds generates N2O5N2O5 in the atmosphere, as represented below. Reaction 1: NO3(g)+NO2(g)