Q21. Frankie has a very busy lunch counter. On Tuesday, they sold 356 meals andbrought in revenue of $2,467. The vegetarian curry rice costs $7.00 and the ChickenMarsala costs $12.00.If the augmented matrix is given by[1 a b[7 c dYour Answer:Twhat is the value of d?Answer

Answered: Image /qna-images/answer/d8944f57-ac9c-4a60-b655-df8e1f68cee6.jpg

Answered: Q21. Frankie has a very busy lunch…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Determine whether the statement below is true or false. Justify the answer. The equation Ax=b is consistent if the augmented matrix [a b] has a pivot position in every row. Choose the correct answer below. C A. This statement is false. The augmented matrix A b than rows. OB. This statement is true. The pivot positions in the augmented matrix [ A b] always occur in the columns that represent A. OC. This statement is true. If the augmented matrix [ A b] has a pivot position in every row, then the equation Ax=b has a solution for each b in R™. cannot have a pivot position in every row because it has more columns D. This statement is false. If the augmented matrix [ A b] has a pivot position in every row, the equation Ax = b may or may not be consistent. One pivot position may be in the column representing b.
At the movies, Devin bought three tickets, one drink, and one bag of popcorn for $43.75.Neil bought one ticket, three drinks, and two bags of popcorn for $27.75Jung bought two tickets, two drinks, and one bag of popcorn for $34.Determine the values that replace the letters in the augmented matrix which represents the situation.⎡⎣⎢3cea321d1∣∣∣∣b27.75f⎤⎦⎥[3�1�3��21|�27.75�] a=�= b=�= c=�= d=�= e=�= f=�= Part BUse the completed augmented matrix to find out the prices for one ticket, one drink, and one bag of popcorn. cost of one ticket = $ cost of one drink = $ cost of one bag of popcorn = $
The figure to the right shows the letter L in a rectangular coordinate system. The figure can be represented by the matrix B, shown to the right. Each column in the matrix describes a point on the letter. The order of the columns shows the direction in which a pencil must move to draw the letter. The Lis completed by connecting the last point in the matrix, (0,5), to the starting point, (0,0). Use matrix operations to move the L 5 units to the right and 4 units up. Then graph the L and its transformation in a rectangular coordinate system. ... B= C 033110 0 0 1 1 5 5 N Determine the matrix operation that will move the L 5 units to the right and 4 units up and perform the operation. What is the result?
Frankie has a very busy lunch counter. On Tuesday, they sold 279 meals and brought in revenue of $2,347. The vegetarian curry rice costs $7.00 and the Chicken Marsala costs $12.00. If the augmented matrix is given by 1 a b 7 c d What is the value of d
Determine the matrix if it is a linear combination of a b 3 11 [-1 5 9 4 1 3 4 6 11 A. a = 5; b = -7 B. a = 5; b = 7 C. a = 7; b = 5 D. a = -5 ; b = 7
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The table gives an estimate of basic caloric needs for different age groups and activity levels. Solve, (a) Use a 3 X 3 matrix to represent the daily caloric needs, by age and activity level, for men. Call this matrix M. (b) Use a 3 X 3 matrix to represent the daily caloric needs, by age and activity level, for women. Call this matrix W. (c) Find M - W. What does this matrix represent?
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RRE the following matrix (the attached file), explain why you chose each step. I seem to make all the wrong choices. In attach file, I switched R1 and R2, and then R2 - 4R1 -> R2, 3R1 + 2R2, 1/3R1 ->R1, -1/3R2 ->R2.
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Q21. Frankie has a very busy lunch counter. On Tuesday, they sold 356 meals and brought in revenue of $2,467. The vegetarian curry rice costs $7.00 and the Chicken Marsala costs $12.00. If the augmented matrix is given by [1 a b [7 c d Your Answer: T what is the value of d? Answer