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PtichkaEL [24]
3 years ago
6

Which of the following are one-dimensional and have infinite length?

Mathematics
1 answer:
e-lub [12.9K]3 years ago
5 0

Answer:

Answer is line and ray.

Step-by-step explanation:

Ray -  A ray starts from a point and ends to the infinity.

Therefore, ray is one dimensional and has infinite length.

Point - It is one dimensional but has no length.

Plane - It may be three/two dimensional.

Segment - It is one dimensional but has a limited length.

Line - It's one  dimensional with infinite length.

Angle - It's two dimensional structure.

Answer is line and ray.

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alexgriva [62]

Answer:

x = -11/7

x = 11/7

Step-by-step explanation:

49x² - 121

Factor

(7x + 11)(7x - 11)

roots

x = -11/7

x = 11/7

8 0
3 years ago
Read 2 more answers
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Calculate the length of side AC:
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Answer:

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3 years ago
An individual who has automobile insurance from a certain company is randomly selected. Let Y be the number of mov- ing violatio
Rudik [331]

Answer:

a) E(y) = 0.8

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Step-by-step explanation:

We are given the following distribution in the question:

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a) E(y)

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b) Expected value of subcharge

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Expected value of subcharge =

=110E(y^2)\\\\=110\displaystyle\sum y_i^2P(y_i)\\\\=110(0^2(0.50)+1^2(0.25)+2^2(0.20)+3^2(0.05))\\=110(1.5)=165

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5 0
2 years ago
Explain your work please
Vlad1618 [11]
30 = 60% of x
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