19.03.2023 - 11:04

# During the month of January, ABC Appliances sold 33 microwaves, 18 refrigerators, and 36 stoves, while XYZ Appliances sold 56 microwaves, 29 refrigerators, and 43 stoves. During the month of February, ABC Appliances sold 28 microwaves, 29 refrigerators,

During the month of January, ABC Appliances sold 33 microwaves, 18 refrigerators, and 36 stoves, while XYZ Appliances sold 56 microwaves, 29 refrigerators, and 43 stoves.

During the month of February, ABC Appliances sold 28 microwaves, 29 refrigerators, and 33 stoves, while XYZ Appliances sold 29 microwaves, 15 refrigerators, and 32 stoves.

(a) Write a matrix summarizing sales for January.

(a) Write a matrix summarizing sales for February.

(c) Use matrix addition to find a matrix summarizing total sales.

• April 6, 2023 в 14:40

(a) The matrix summarizing sales for January is:

ABC Appliances331836
XYZ Appliances562943

The rows of the matrix represent the two appliance stores, while the columns represent the different types of appliances sold.

(b) The matrix summarizing sales for February is:

ABC Appliances282933
XYZ Appliances291532

Again, the rows represent the two appliance stores, while the columns represent the different types of appliances sold.

(c) To find a matrix summarizing total sales, we can simply add the matrices from January and February element-wise. This gives: