The circumference of the circular table on Beverly's porch is 72n inches. What is the radius of the table?

11.46 inches

Step-by-step explanation:

C = 2πr

72 = 2(3.14)r

r = 72/6.28

r = 11.46

hello from mrbilldoesmath!

answer:

a(n) - a(n-1) -3

discussion:

this ones a bit interesting. given a(n) = 5 - 3n consider this:

a(n-1) = 5 - 3(n-1)

          = (5 - 3n) + 3             => but a(n) = 5 - 3n, the first term

          = a(n)   + 3                 => subtract 3 from both sides

a(n-1) -3 = a(n)  

or

a(n) - a(n-1) -3

you,

mrb

it has the same slope and a different y-intercept

hope this : )