Answer:
19.3795 m
Step-by-step explanation:
If sound travels at 343 m/s and it took Karen 0.113 s to hear the echo from the wall, the distance travelled by the sound is:

Note that the distance calculated above is the distance travelled from Karen to the wall and then back from the wall to Karen. Therefore, the distance between Karen and the wall is:

The wall is 19.3795 m away from Karen.
Answer:
You would use the cos function because you are given the adjacent side and you are finding the opposite side.
Step-by-step explanation:
SOH CAH TOA
Sin = O/H
Cos = A/H
Tan = O/A
O is the Opposite side
H is the Hypotenuse
A is the adjacent side
Answer:
813
Step-by-step explanation:
Answer:
-28/25 or -1 3/25
Step-by-step explanation:
Hope this helps
Answer:
3
Step-by-step explanation:
500 - 10 = 490
long way:
490 -135= 355
355 -135=220
220 -135=85
85 candy left