Will fan and give medal. Confused about how to solve this -
If an average-sized man with a parachute jumps from an airplane, he will fall 12.5(0.2t − 1) + 19t feet in t seconds. How long will it take him to fall 142 feet? (Round your answer to two decimal places.)
____sec

Question

Will fan and give medal. Confused about how to solve this - 
If an average-sized man with a parachute jumps from an airplane, he will fall 12.5(0.2t − 1) + 19t feet in t seconds. How long will it take him to fall 142 feet? (Round your answer to two decimal places.) 
____sec

irishboy123 · Answer

calculus?

thatgirl21 · Answer

Pre-calc for business

thatgirl21 · Answer

so would i plug in 142 for v(t)?

irishboy123 · Answer

yes!

thatgirl21 · Answer

Oh also for the (0.2t) part it's supposed to be 0.2^t

thatgirl21 · Answer

okay so it's 142 = 12.5(0.2^t-1)+19t. the first step is to distribute?

irishboy123 · Answer

you can do all of that but it's ugly

thatgirl21 · Answer

what i have so far is 154.5=2.5^t+19t. not sure if that's right

thatgirl21 · Answer

not sure how else to solve it ):

irishboy123 · Answer

pre-calc for business?  

$142 = 12.5(0.2^t-1)+19t \implies \color{red}{154.5 = 12.5\times 0.2^t+19t}$

there is no sensible way to solve that

thatgirl21 · Answer

yes it's math 1643. I didn't think so

irishboy123 · Answer

write some code, use some kinda numerical approach.

irishboy123 · Answer

OU?

thatgirl21 · Answer

yes

irishboy123 · Answer

set t = 0 and you already get a shιt answer

irishboy123 · Answer

case closed?