2. 1 1/2 each
3. 1 1/4 each
4. 1 3/4 each
5. 3/4 each
Answer:
49°
Step-by-step explanation:
arccos x = 15/23
Answer:
$37,650
Step-by-step explanation:
A=15000(1+0.0525)^18
A=15000(2.51)
A=37650
Answer:
It takes 3 seconds over the interval [0,3]
Step-by-step explanation:
To find when the roller coaster reaches the ground, find when d=0.

To solve divide each term by 16 and factor:

Solve for t by setting each factor to 0.
t-3=0 so t=3
t+3=0 so t=-3
This means the car is in the air from 0 to 3 second.
the first one is true and the second one is false