<em>It will take 6 minutes to drain the pool.</em>
<h2>
Explanation:</h2>
As the problem states the height of the water in an above ground pool is 3ft. In other word:
- 3 ft is our starting point.
The pool needs to be drained at a Rate of Change of 1/2 inches per minutes. In other words:
- The rate of change is constant, so we'll have a line with slope -1/2.
Therefore, we can write an equation as:
To drain the pool implies that we don't have any water in the pool, in other words this is true if and only if:
So:
So, <em>it will take 6 minutes to drain the pool.</em>
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Answer:
The area of the rectangle would be 20 square units.
Step-by-step explanation:
The distance between the points (-8, -2) and (-3,-2) is 5. This is the length of the rectangle. The distance between (-3,-6) and (-3,-2) is 4. This is the width of the rectangle. To find the area, multiply the length and the width to get the 20 square units as the area.
Answer:
6 
Step-by-step explanation:
Use the triangle area equation
plug in the base (4ft) times the height (3ft) then divide by two
Answer:
True.
Here, radius of the sphere = radius of the cylinder = r
Diameter of the sphere = height of the cylinder = 2r
Surface area of the sphere = 4πr2
Curved surface area of the cylinder = 2πr (2r) = 4πr2
Step-by-step explanation:
This is a line in the form y = mx + b, where b is the y intercept. In your equation above, 3 is the slope, the m value, and -6 is the y-intercept, the b value.
