Q21. 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 2 what is the value of d?

Q: Given the following matrices, perform the indicated operation, if possible. 4 -8 5 -8 -2 6 A = -3…

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Q: Determine whether each of the following statements is true or false. You do NOT need to explain.…

A: This question related to topic matrix of linear algebra.

Q: If a matrix A is 4 x 7 and the product AB is 4×4, what is the size of B? The size of B is X

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Q: If A is a 2 × 3 matrix, and B is a 3 × 4 matrix, how many columns does AB have?

A: Given that  If A is a 2 × 3 matrix, and B is a 3 × 4 matrix To find how many columns does AB have

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Q: If possible, find A + B, A- B, 4A, and 4A - 2B. (If not possible, enter IMPOSSIBLE in any cell of A…

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Q: If A is a 2 x 3 matrix, and B is a 3 x 4 matrix, how many columns does AB have? Select one: O a. 2 O…

A: We will find the required.

Q: A man has twenty coins consisting of dimes and quarters. If the dimes were quarters and the quarters…

A: Given: A man has twenty coins consisting of dimes and quarters. If the dimes were the quarters and…

Q: Write the augmented matrix for the following system of equations in the table below. You'll have to…

A: Write the augmented matrix for the following system of equations.u+v+2w=12v−5w=23u+5v+w=1