Answer:
wrong
Step-by-step explanation:
the student added 4x with 3 instead of multiplying
Answer:
z-score for 900 points = -4
Step-by-step explanation:
To find the z scores
z=(x-mean)/standard deviation
so
z=(900-1500)/150
z= -600/150
Answer:the first one
Step-by-step explanation:Egd
Answer:

Step-by-step explanation:
= Mass flow rate of water = 320 kg/s
= Mass of water on the door
= Time
= Velocity of water on the door = 20 m/s
Force is given by

The average force is exerted by the stream of water is
.
Answer: Y=1
Step-by-step explanation:
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Hope this helps</em></u></h2>