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Nimfa-mama [501]
2 years ago
15

SHOW WORK HAVE A GREAT DAY AND THANK UUU

Mathematics
1 answer:
Illusion [34]2 years ago
5 0

Answer:

Im sorry im challenged

Step-by-step explanation:

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An aquarium 2 m long, 1 m wide, and 1 m deep is full of water. Find the work (in J) needed to pump half of the water out of the
Nitella [24]

Answer:

W=2452.5 J

Step-by-step explanation:

The work is define as the integral of the force times distance. So we have:

W=\int^{a}_{b}Fxdx

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

F=m*g=\rho Vg

V is the volume (V=2*1*1=2 m³)

So the work will be:

W=\int^{0.5}_{0} 2*1000*9.81*xdx=\int^{0.5}_{0} 2*1000*9.81*xdx=\int^{0.5}_{0}19620xdx=19620(\frac{x^{2}}{2})|^{0.5}_{0}

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

W=19620(\frac{x^{2}}{2})|^{0.5}_{0}=19620(\frac{0.5^{2}}{2})

W=2452.5 J

I hope it helps you!

8 0
3 years ago
Solve<br> -31-4x=-5-5(1+5x)
MrRa [10]
-31 - 4x = 5 - 5 ( 1 + 5x )
-31 - 4x = 5 - 5 - 25x
-31 - 4x = -25x
+ 31 to both sides
-4x = 6
/ -4 to both sides
x = 6/-4 = 3/-2
4 0
3 years ago
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What happens to the value of the expression 2t/t as t decreases
anyanavicka [17]

Answer:

  it stays the same until t=0, where it is undefined

Step-by-step explanation:

2t/t = 2 . . . . when t ≠ 0

2t/t = undefined when t = 0.

The value of t can increase or decrease and the value of the ratio remains the same. The value has a "hole" at t=0, where it is undefined. Otherwise, its value is always 2.

5 0
3 years ago
The graph shows a journey in a car Help Fast!!!
Sever21 [200]

Answer: i think the answer would be c


i hope this helps you out!


Step-by-step explanation:


3 0
3 years ago
Estimate the answers to 943.18 + 103.89 by first rounding each number to the nearest ten
kondaur [170]
943.18 + 103.89 = 1040
3 0
3 years ago
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