To solve this problem you must apply the proccedure shown below:
1. You must use the formula for calculate the surface area and the volume of the tank:
2. Solve for in the second equation and substitute it into the first one.Then, you have:
3. Now, derivate:
4. When you solve for , you obtain:
5. Now, you must calculate :
Therefore, the dimensions are:
The sides of the base of the tank:
The height of the tank:
Elementary school:
27% = 207/100 x 27 = 55.89 = 56 teachers
Middle school:
35% = 207/100 x 35 = 72.45 = 72 teachers
High school:
38% = 207/100 x 38 = 78.66 = 79 teachers
Answer:
six plus x.
Step-by-step explanation:
Answer:
The number can have no more than 5 digits
Step-by-step explanation:
Answer:
The answer is D
6x -7y = -11
Step-by-step explanation:
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