Answer:
10 water stations are needed
Step-by-step explanation:
To get the number of water- station needed, we simply divide the total length of the half marathon by the distance where we can find a water station
mathematically,
that would be 13.1 divided by 1 1/3
= 13.1 divided by 4/3
= 13.1 * 3/4 = 9.825 which is approximately 10
18 + 45m
...............................
Hello,
tan (t)<0
==> sin (t) /cos (t)<0
==>1 / cos (t)<0 [since sin (t) ≠0, dividing by sin (t) ]
==> cos (t) <0
Answer:
first one is 42
second one is 3/8
Step-by-step explanation:
