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Okay thanks you for showing me how you did it. It helped me understand the problem better.

Oh...OK....!!!!

Let's simplify my answer

12 - 6(n - 1)  =

12 - 6n + 6  =

18 - 6n

Note : Here....I'm assuming that "in the fifth year" means "after five years"

an =  Final number

2500 = Starting number

Growth rate (express as a decimal ) =  5%   =  .05

n = number of years

So....we have

Final number =  Starting number ( 1 + growth rate)^n   

an  =  2500 (1 + .05)^n        (simplify) 

an = 2500 (1.05)^n

I need the rest of the answers asap. Please solve

For my multiple choice it has these as the choices.

an=18+6n

an=6−6n

an=18−12n

an=18−6n

Explicit rule :

a_n  = a₁ + d(n - 1)

Where a_n is the nth term ......a₁ is the first term   and d is the common difference  [ here = - 6]

So  we  have

a_n  =  12  +  - 6(n - 1)   =   12  - 6(n - 1)

Formula

A = P + Prt

Where A is the final amount

P = amt invested   =   $3

r = interest rate per year   =  7% = .07  

t =  (1/3) yr

So we have

A = 3 + 3(.07)(1/3)   =  3 + 3(.07)   =  $3.21

Formula :     m                (m) ( m+ 1)

                    ∑  n    =      __________

                  n = 1                  2

And               m

                     ∑    n^0    =      m*(1)

                  n + 1

So

24                           24               24

∑      (5n - 7)  =   5 ∑  n      -   7 ∑   n^(0)    =

n = 1                    n = 1             n = 1

5 (24) (25)

_________  -    7 * 24(1)     =

      2

1500  -  168  =

1332

Math is required for many jobs, such as engineering, doctors, even contractors.

at least it's friday

Um...where are the angles? (we need a diagram)

Didn't you post something similar 1 day ago?

Do you live in a society where stupidity and ignorance are virtues? Where moronic repetition is music? Where constructive activity is a criminal offence?

If you do then you are well respected and highly regarded. 

In this society, who should respect you? 

What qualities do you demonstrate that should compel respect from anyone other than another synthetic shitball dumbshit idiot imbecile moron who is the antithesis of artificial intelligence?  

_{Edited to test the theory of slowing the melt rate of delicate snowflakes by striking-out curse word(s).}

GA