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A clerk counted 14 small baseball caps, 37 medium baseball caps, and 29 large baseball caps on the store shelves. She also counted 9 small baseball caps and 19 medium baseball caps in the stockroom.

(a)   Organize the data in a matrix. Name the matrix B. Label the rows and columns.

 

(b)   Each baseball cap sells for $16. Create the matrix that shows the total value of each cap size in each location.

 

 

 

 

The matrices show the number of indoor and outdoor volunteers in different age groups.

 

(a)Create one matrix that shows the total number of indoor and outdoor volunteers in different age groups. Name the matrix T.

 

(b)What is the value of the element at T11 and what does that value indicate?

 

(c)Create a matrix by subtracting the women’s matrix from the men’s matrix. Name the matrix D.

 

(d)What is the value of the element at d12 and what does that value indicate?

Guest Dec 11, 2017
 #1
avatar+92641 
+1

Here's the first one ....

 

 

a.

                            S             M            L

Shelves              14            37          29              

 

Stockroom          9            19            0

 

 

b.

 

                          S              M            L

Shelves             224          592       464              

 

Stockroom        144          304          0

 

 

 

cool cool cool

CPhill  Dec 11, 2017
edited by CPhill  Dec 11, 2017
 #2
avatar+92641 
+1

Here's the second one....

 

a. 

 

                            18-39             40+

 

Indoor                   26                 55                         

 

Outdoor                32                 49   

 

 

b.   T11      -  indicates the number of indoor volunteers  18-39   

 

 

c.   

 

                          18-39                40+

 

Indoor                   8                     15                         

 

Outdoor             -16                      3       

 

 

d.   D12   indicates  that there are 15 more indoor men volunteers than indoor women women volunteers for those who are 40 and over 

 

 

cool cool cool

CPhill  Dec 11, 2017

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