Someone plans to buy 100 shares of computer stock, 250 shares of oil stock, and 400 shares of automobile stock. The computer stock is selling for 64 dollars a share, oil stock is selling for 42 dollars a share, and automobile stock is selling for 19 dollars a share. Use matrix multiplication to calculate the total cost of the purchases. C

Q: The matrix A contains the weight (in pounds) of objects packed on board a spacecraft on earth. The…

A: The matrix A contains the weight of the objects packed onboard a spacecraft on earth. The objects…

Q: Sally went to the store and purchased 2 skirts, 5 dresses and 5 shirts. Anna went to the store and…

A:

Q: The total number of passengers riding the city bus on Monday was 1000. If it cost $1.25 for children…

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Q: Tickets to the Senior Class Play cost $2.00 for students, $5.00 for adults, and $4.00 for senior…

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A: Here the total investment is $30,000. Let the investment on the first bond is x, which pays 5%…

Q: Write the system of equations as a matrix equation.

A: Given, 3x1+2x2−x3+x4=0x1               −x3           =5            3x2+x3−x4=4In matrix…

Q: A'ina and Aliya go to the bookstore to buy books and pens. A'ina bought 5 Mathematic exercise books…

A: We have to form two equations based on the given information then we can form these equations into…

Q: 49. x − y = 6 2x - 3z = 16 2y + z 4

A: Note:- Since you asked multiple questions ,according to our policy we can solve only first question…

Q: Tickets for a rodeo sold for $25 for adults, $15 for students and $20 for senior citizens. On…

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Q: Sally went to the store and purchased 4 skirts, 4 dresses and 5 shirts. Anna went to the store and…

A: The given data is: Sally went to store and purchased 4 skirts, 4 dresses, and 5 shirts Anna went to…

Q: For the matrices A and B, find (a) 3A, (b) −B, and (c) 3A − B.

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Q: Robyn owns and operates two souvenir shops. At his Sabina Park shop, sweatshirts cost $4500 and…

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Q: Problem: As a data analyst, you could use multiple linear regression to predict crop growth. You…

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Q: Mr. Adams wants to rent a beachfront condominium. Unit 1 costs $1,200 for the week plus a cleaning…

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Q: 21 22 23 24 25 26 27 28 29 The table below represents the data for the salaries row represents each…

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Q: D: = [1 0 0 0] 0 1 0 0 0010 0041 E = [1 0 0 0 0 0 0 √200 010 001 ,F= [1000 0001 0010 0100

A: As we apply elementary row operations on identity matrix.

Q: Beta Function 27 dx (*+ 1) Prove that

A: The given problem is to evaluate the given beta function integral.