20. Suppose R is a commutative ring and [R]= 30. If I is an ideal of R and |I| = 10, prove that I is a maximal ideal. %3D

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A:

Q: 5.1 #7

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A: We can find the value of x as below

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A: To find x.

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Q: Find the value of each variable.

A: The solution is:

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A: 5. In the given right triangle , the hypotenuse is 41 and the perpendicular length is 40. Apply the…

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A: Topic:- trigonometry ratios

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Q: 3. 18

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A: Identify the postulates for each drawing

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Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.