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tiny-mole [99]
2 years ago
5

A swimming pool of 25m long and 20m wide is filled with water to a depth of 5m. what is the volume of water when it is 3/4 full?

Mathematics
1 answer:
Gwar [14]2 years ago
6 0

Answer:

1875m^{3}

Step-by-step explanation:

To find \frac{3}{4} of the volume, we first must know the total volume.

The formula to find volume:

volume = length * width * depth

We know the length is 25m, we know the width is 20m and we know the depth is 5m.

So, we can substitute them into the equation:

volume=25*20*5=2500m^{3}

Now we know the total volume, we can find out the volume when it is \frac{3}{4} full:

\frac{3}{4} * 2500 = 1875m^3

Therefore, our final answer is 1875m^{3}.

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S1: Try to measure the sides to look alike.

S2: Compare your answers to someone in your class!!!

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Which equations illustrate the associative property of addition? Choose exactly two answers that are correct.
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</span>
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4 years ago
The function g(x)=-(x)^2+5. The function f(x)=-g(x+2).
Vitek1552 [10]
Short Answer f(x) down 5 units, left 2 units and right side up from g(x)
Step One

Find out what -g(x+2) is.
There are two steps to this. The first is to deal with the minus sign
(g(x)) = - x^2 + 5. Be very careful what you do next. 
Put brackets around both terms on the right.
g(x) = (-x^2 + 5) Now put the minus sign in front of g(x) and another one in front of the brackets.
-g(x) = - (-x^2 + 5) Remove the brackets.
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<em>Result</em>
So far g(x) moves down 5 units and opens upward. 

Step Two
The second step is to see what the x + 2 does.
-g(x + 2) = (x + 2)^2 - 5

The final result is that the graph opens upward, moves left 2 spaces and down 5.

There is a graph enclosed to show you the key steps.
The red graph is g(x) = x^2 - 5
The blue graph is g(x+2) = (x+2)^2 - 5

5 0
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