# Matrix word problems with answers

Matrix word problems with answers can be found online or in math books. ## 3 Matrix Algebra and Applications

The sum of its last two digits is equal to its second digit increased by 5, the sum of its outer digits equals to its second digit decreased by 3. If we write the digits of the number in reverse order, the number increases by 2,178. Find the number. A cylinder made out of the yellow copper has the weight of 6.297 kg and the volume of 750 cm3.

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## 3C Matrices.pdf

Matrix word problem: prices Google Classroom Video transcript Voiceover:The price of things at two supermarkets are different in different cities. Toilet paper in Duluth ## The Matrix and Solving Systems with Matrices

Problem 10. If \displaystyle A=B\times C A = B ×C, find the matrix \displaystyle A A. \displaystyle B=\left [ \begin {array} {ccc} 1 & -3 & -2 \\ 2 & 0 & 1 \end {array} \right] B = [ 1 2 −3 0 −2 1]   ## Solving Word Problems Using Inverse Matrix

Write the matrix equation on your own paper. -5x + 5y = -10 -7x + 4y = 13 answer choices (-7, -5) (-7, -9) (7, -9) (-7, 5) Question 6 30 seconds Q. Solve the system using matrices x + 2y = 2 5x - 6y
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