Question

t or f

Answer 1

Think of each row of matrix \(S\) gives the number of items in a particular store : \[S=\left[\begin{array}{}
&\color{Red}{\text{# of fax}}& \color{Red}{\text{# of
printers}}& \color{Red}{\text{# of copiers}}& \color{Red}{\text{# of
scanners}} \\
\color{Red}{\text{store 0}}&16&10&8&12\\
\color{Red}{\text{store 1}}&12&0&10&4\\
\color{Red}{\text{store 2}}&4&10&0&8\\
\end{array}\right]\]

Answer 2

and the columns in matrix \(P\) give you the `whole sale price` and `retail price` respectively

Answer 3

\[P=\left[\begin{array}{}
\color{Red}{\text{whole sale price}}& \color{Red}{\text{retail price}} \\
$180&$269.99\\
$275&$399.99\\
$355&$499.99\\
$590&$799.99
\end{array}\right]\]

Answer 4

Notice that multiplying the "total quanity" by "whole sale price" gives you the "total whole sale value" of the items.

Familiar with multiplying a huge matrix by one column ?

Answer 5

so its true then?

Answer 6

I would say tea but theft is pretty gewd lookin to

Answer 7

Yep!

Answer 8

Multiplying the matrix \(S\) by first column of matrix \(P\) gives you a column that contains the "total whole sale value" of items at each store.

Answer 9

thank you so much! @ganeshie8

Answer 10

yw!