Answer:
this is a relation but not a function. It is not a function because when using the verticle line test, that line will pass through more than 1 point on the line.
Using proportions, the lengths of the unknown sides are given as follows:
<h3>What is a proportion?</h3>
A proportion is a fraction of a total amount, and the measures are related using a rule of three.
In this problem, the triangles are similar, hence the lengths of it's sides follow the proportion given next:
Applying cross multiplication:
2x(x - 3) = 20
2x² - 6x - 20 = 0
x² - 3x - 10 = 0
(x - 5)(x + 2) = 0.
Then the positive solution is:
x - 5 = 0 -> x = 5.
And the lenghts are:
More can be learned about proportions at brainly.com/question/24372153
#SPJ1
Answer:
1.75
Step-by-step explanation:
Answer: B
Step-by-step explanation:
Lol it’s ok ::
The third one. This is because Proportional relationships are relationships between two or more (3 in your case) variables where their ratios are equivalent. Another way to think about them is that, in a proportional relationship, one variable is always a constant value times the other. That constant is know as the "constant of proportionality".
You can see that the slope is constant as 1/3 among all your points.