Answer:

Step-by-step explanation:
The work is define as the integral of the force times distance. So we have:

Now, we can write the force in terms of density.

V is the volume (V=2*1*1=2 m³)
So the work will be:

The limit of integration is between 0 and 0.5 because we want to pump half of the water out of the aquarium.


I hope it helps you!
F(x)·g(x) = (3x-2)(5x) = 15x^2 -10x
Answer:
it is 3
Step-by-step explanation:
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C. Because complementary angles are two angles whose sum equals 90 degrees so do 90-40=50 then 50x2= 100