480=60(v+s)
480=60v+60s
8=v+s
s=8-v...
480=80(v-s) using s from above we get:
480=80(v-(8-v))
6=v-8+v
6=2v-8
2v=14
v=7, and since s=8-v, s=1
So the rate of the team is 7m/s while the rate of the stream is 1m/s
Answer:
Step-by-step explanation:
11/77=x/21
x=3
I believe it’s 27 square root sorry if I’m wrong! :/
Hello:
<span>A= { 15, 25, 35, 45, 55, 65 } and B= { 25, 45, 65}
</span> A∪B = <span>{15, 25, 35, 45, 55, 65 } ....(answer : d )</span>
