The number of messages posted each day on an online message board during the first 5 days it was open are listed below 2,350 2,900 3,450 4,000 4,550
The number of messages posted each day follows a pattern. Which expression can be used to determine the number of messages
posted on the nth day?
O A. 2,350n
ов.
550(n + 1,800)
O C.
550n + 1,800
O D.
1,800n + 550

correct answer:

i^31 = -i

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!