Answer:
288
Step-by-step explanation:
76+45=121
121+98=219
219+76=295
295-7=288
Answer:
Step-by-step explanation:
If you are always included to lead, that leaves 10 students to choose from.
If all that is important is being selected, then there are 10C3 = 120 ways to choose them.
If each selection has a unique duty, then there are 10P3 = 720 ways to assign them their jobs.
2*1.4=2.8
1.5*1.4= 2.1
New figure: 2.8 by 2.1
The answer is the option 3. (the arrow aimed to the center of the polygon)
Why?. Because the particle changed the direction of its movement due to a force inclined respect the motion and aimed to the center. Take in account that the vectors net force and acceleration are parallel.
