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3 years ago

How many points are needed to determine a unique line segment?

Mathematics

1 answer:

RideAnS [48]3 years ago

3 0

Answer:

the answer is two points determine a unique line segment

~batmans wife dun dun dun.....aka ~serenitybella

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What is the value of x and give a reason

nevsk [136]

Answer:35 degrees

Step-by-step explanation:

I used a protractor

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3 years ago

I need help with this math problem

Yuri [45]

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Step-by-step explanation:

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3 years ago

increasing the frequency of observations in the tails of a distribution will increase the standard deviation. why?

ozzi

Increasing the frequency of observations in the tails of a distribution will increase the standard deviation because the data points are added once observations are made. In this case, the data points may be attributed to more error that increases the separation between data points.

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3 years ago

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What is x???????need help

gogolik [260]

Answer:

100 degrees

Step-by-step explanation:

The angle x is opposite the angle that is 100 degrees.

Since they are opposite each other, they are vertical angles.

This means that they are congruent, or equal to each other.

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3 years ago

e) Given the following: Let X = {1, 2, 3, 4) and a relation R on X as R= {(1,2), (2,3), (3,4)}. Find the reflexive and transitiv

Naddika [18.5K]

Answer:

The answer is $\{(1,1),(2,2),(3,3),(4,4),(1,2)(2,3)(3,4),(1,3),(1,4)\}$

Step-by-step explanation:

Remember that a reflexive relation $R\subset \mathcal{P}(X)$ , where $\mathcal{P}(X)$ is the power set of $X$ , is one which conteins the ordered pairs of the form $(a,a)$ , for $a\in X$ .

So, As the reflexive and transitive closure of $R$ (that we will denote by $\overline{R}$ ) is in particular reflexive, we must add to $R$ the elements $\{(1,1) , (2,2),(3,3),(4,4) \}$

A transitive relation $R$ is one in which if the pair $(a,b)$ and the pair $(b,c)$ are in there, then the pair $(a,c)$ must be there too.

So, to complete the relation $R$ to be reflexive and transitive we must add the pair $(1,3)$ (because $(1,2),(2,3)$ are in $R$ ), the pair $(2,4)$ , and the pair $(1,4)$ because we added the pair $(2,4)$ .

Therfore we have that $\overline{R}=\{(1,1),(2,2),(3,3),(4,4),(1,2)(2,3)(3,4),(1,3),(1,4)\}$ .

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3 years ago