Question

the height if a water thrown from the top of a building can be modelled by the relation h= -5t^+15t +20, where h is the height in metres and t is the time after the baloon was thrown in seconds. a) factor the expression fr the height of the water baloon b) what i the height of the ballon after 4 seconds ?? ) explain

Answer 1

someone plase help me :(

Answer 2

b) t represents time, time is 4 seconds

Answer 3

yes

Answer 4

yes, what?

Answer 5

help me

Answer 6

I just did in the message above.

Answer 7

actualy udidnt :/

Answer 8

if you want someone to help you, tell them you didn't understand it and explain what you don't understand. No one is going to help you if you give them smart a** remarks.