Answer:
last two both should be = 180
Step-by-step explanation:
In other words, how many ways are there to choose
objects from a total of
objects? Just one; take all of them at the same time.
Answer:
-0.25 ; 120 seconds 72 seconds
Step-by-step explanation:
Dive rate is constant :
Change in elevation after 8 seconds :
18 feets to 20 feets below
Rate of change = distance / time
(18 - 20) feets / 8 seconds
(-2 / 8) = - 0.25 feets per second
To reach 50.feets :
She needs to cover (50 - 20) = 30 feets
Time = distance / speed ; 30 feets / 0.25 = 120 seconds
Answer:
The answer is 3x^2-4x-4+1/2x-1
Step-by-step explanation:
Hope this helps, and sorry if it's wrong.
