A helicopter is hovering 100 meters above the ocean. Directly below it, a submarine is at a depth of 200 meters
1 answer:
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The Empire is attacking a Rebel base that is stocked with X-wings and
Y-wings. The Rebels need to build a fleet consisting of
ships (with at least 1 X-wing), to be led by 1 pilot in an X-wing.
There are ways of picking the leader, and
ways of building the rest of the fleet, so there's a total of
ways of building such a fleet.
In the other direction, suppose we build a fleet comprising of X-wings and
Y-wings. We have
ways of picking X-wings and
ways of picking Y-wings. Also from the
X-wings we pick 1 to be the leader, which we can do in
ways. So there are
ways of building such a fleet. But since
, we have
ways of building the fleet with these specifications. Sum over all possible values of ,
Answer:
volume will be equal to 5,655 ft³
Step-by-step explanation:
diameter of swimming pool = 40 ft
depth increases from east-west lines is from 2 ft to 7 ft
so the average depth of the swimming pool can be calculated by
hence average depth comes out to be 4.5 m
volume of water in the pool will be equal to the volume of the pool
volume =
=
= 5,654.86 ft³
volume will be equal to 5,655 ft³ approximately