In the excretory system, the waste materials are filtered from the blood. They are gotten rid off in order to maintain internal chemical homeostasis.
<h3>What is the Excretory System?</h3>
The excretory system can be described as a biological system that aids the body in removing unwanted materials from fluids of the body of organisms.
The main reason for the function of the excretory system is to maintain internal chemical homeostasis and prevent the body from damage.
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The equation
shows that the diagonals are congruent perpendicular bisectors.
The vertices of the square are given as:
- c = (1,1)
- d = (3,1)
- e =(3,-1)
- f = (1,-1)
<h3>How to determine the
congruent perpendicular bisectors.</h3>
Start by calculating the slope of diagonal ce using:

So, we have:



Next, calculate the slope of diagonal df using:

So, we have:



The slopes of both diagonals are:


By comparing both slopes, we have:

i.e.

Hence,
shows that the diagonals are congruent perpendicular bisectors.
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The percentage increase of the change in price is gotten as; 48%
<h3>How to calculate percentage price increase?</h3>
We are given;
Old Cost Price = $20
New Cost Price = $9.60
Thus, the increase in price is;
29.60 - 20 = $9.60
The percentage increase is;
Percent increase = (29.60 - 20)/20 * 100%
Percentage Increase = 9.60/20 * 100%
Percentage Increase = 0.48 * 100% = 48%
Complete Question is;
The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? What is the percentage increase?
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According to the research, Dr. Smithe should use naturalistic observation to investigate aggressive preschoolers.
<h3>What are naturalistic observations?</h3>
It is a method used in research and whose basis is to observe the subjects in the place where they live, without the researcher being disturbed in the least.
This allows detailing the behavior of the subjects that we record is what, in fact, the behavior that should happen in their habitat, under those conditions, obtaining real results, without any type of alteration.
Therefore, we can conclude that according to the research, Dr. Smithe should use naturalistic observation to investigate aggressive preschoolers.
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Answer:
Ashamed of his association with hyde.
Explanation:
got it right on edg 2022