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Aleks04 [339]
1 year ago
13

Select the correct answer. a computer store decides to increase the prices of all the items it sells by 15%. the store manager u

ses matrices to prepare the new price list. matrix a contains the unit price of each product in each category. matrix b contains the revised price of each item in each category. how can the manager obtain the entries for matrix b? a. by adding 15 to each entry of matrix a b. by multiplying each entry of matrix a by 15 c. by multiplying each entry of matrix a by 1.15 d. by multiplying each entry of matrix a by 0.15
Business
1 answer:
Naily [24]1 year ago
8 0

The manager could perform scalar multiplication on Matrix A, using the scalar 1.15.

Option C is correct

Reason :

Increasing the price by 15% would mean we are taking 100% of the value + another 15%; 100+15 = 115%; 115% = 115/100 = 1.15.

Hence ,Multiplying every value in Matrix A by 1.15 will give the price raised by 15%.

What is a matrix  definition?

matrix, a set of numbers arranged in rows and columns so as to form a rectangular array. The numbers are called the elements, or entries, of the matrix. Matrices have wide applications in engineering, physics, economics, and statistics as well as in various branches of mathematics.

What is a matrix in real life?

Matrices are used in the science of optics to account for reflection and for refraction. Matrices are also useful in electrical circuits and quantum mechanics and resistor conversion of electrical energy. Matrices are used to solve AC network equations in electric circuits.

Learn more about matrix :

brainly.com/question/18218567

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