Answer:
4
Step-by-step explanation:
3s=14-2
3s=12
3s/3=12/3
s=4
Answer:
Step-by-step explanation:
whT
Answer:
I knwo you Ur Gae
Step-by-step explanation:
Answer:
8:45
Step-by-step explanation:
5x48=240 sec
240 sec = 4 min
8:49-4min= 8:45
Answer:
20/29
Step-by-step explanation:
sin θ = 21/29
Use Pythagorean identity:
sin² θ + cos² θ = 1
(21/29)² + cos² θ = 1
441/841 + cos² θ = 1
cos² θ = 400/841
cos θ = ±20/29
Since 0° < θ < 90°, cos θ > 0. So cos θ = 20/29.