8. A rectangular aquarium having a length of 3 meters, a width of 2 meters, and a height of 2 meters is filled to the top with a mixture of water and sediment. The density of the liquid at a distance of y meters from the top of the tank is p(y) = 1000 + 6y² kilograms per m³. 2 (a) A student has been asked to calculate the work done in emptying the tank. She claims that she can calculate the work by multiplying the total weight of the water in the tank and then multiplying by 2 meters. Explain, using a few sentences, why this method will not give a correct answer. Please not that you are not being asked to correct her error; you are being asked why her solution is incorrect. You will be graded on how clearly, completely, and convincingly you explain why the student's solution method doesn't work.

Q: I don't understand this question I need help solving it.

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A: Inverse property

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A: Required answer is 33Explanation:

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Q: Ag Art A Wa TT

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A: We will solve x+2x-7=x+7x+3.

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A: The given equation is

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A: Hi thanks you for posting this question  , since you have posted multiple subparts as per our policy…

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A: The given equation is y =2x^3 -5x.The values of x =-2 and delta x= 0.1.

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Q: Hey can you show the solution in a piece of paper or some sort of visual?

A:

Q: How do I solve this ?

A:

Q: 31. (y +1)4 + 4(y +1)² + 4 = 0

A: y+14+4y+12+4=0Let t=y+12 ,equation becomest2+4t+4=0t2+2t+2t+4=0tt+2+2t+2=0t+22=0 We have repeated…

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A: The given equation is

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A: Solution :-

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A: Solution :

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A:

Unitary Method

The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products. 

Speed, Time, and Distance

Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.

Profit and Loss

The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.

Units and Measurements

Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.