You are trying to cast four roles for a play. 12 actors try out, including Sir Ian McKellen and Patrick Stewart. The director tells you that in order to bring in the crowds, you must include at least one of Sir Ian and Patrick in the cast. How many casts are possible? (A) 285 (B) 1980 (C) 5040 (D) 11880 (E} None of the above Ausweri

Q: 10. у" — у' + ху %3D 0

A:

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A:

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A:

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A: we know that Pr=n!n-r!n

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A:

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Q: 58 27 0 5 7 3 25

A: (I) Given                                       5165482705 3230027025002000200000 quotient is 1654.

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A:

Q: T

A: From the given diagram:segST≅segOTand the segPT bisects an angle∠STO.To find:m∠STO=?

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A:

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A:

Q: Follow steps o -© to fnd x . B A. 250 20

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Q: What is AC? 4 D

A: Explanation and solutions is given below....

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A: Solved below

Q: Suppose AART = ADEB. a. AEBD = ? b. AT = ? c. m ZR =

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Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.