Step-by-step explanation:
The particle is at rest when the derivative of x(t), which is its velocity, is zero, i.e.,
![\dfrac{d}{dt}[x(t)] = \dot{x}(t) = 0](https://tex.z-dn.net/?f=%5Cdfrac%7Bd%7D%7Bdt%7D%5Bx%28t%29%5D%20%3D%20%5Cdot%7Bx%7D%28t%29%20%3D%200)
Since 
its derivative is
Equating this to zero, we get
This is a familiar quadratic equation whose roots are
This means that the particle will be at rest at t = 3 and t= 4.
Im 99.99999% it is the top left
We can't tell with the information given. We don't know the connection
between the price David paid for the game, and the price his sister paid
for the jacket.
This question is a lot like a radio station out in the country at night that's
not tuned in very well, or a billboard with part of the top layer peeled off.
<span>0.321428571 US gallons i just used a calculator and this is what came up sorry if its wrong but have a nice day :)</span>
Answer:
4
Step-by-step explanation:
AD=4+8=12=DE thus angle EAD= angle AED=90÷2=45
angle ACB=90-45=45 thus CB=AB=4
