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Platinum
Reference
Cost
(dollars)
Gold
Weight
(ounces)
formalas
CLEAR
CHECK
glossary
platinum per ounce because the
Gold costs
graph for platinum
of the graph for gold is
v that of the
Language
ENGLISH
The
of the graph tells you the unit rate in
BI
o
W
8:43 PM
10/8/2020

answer: it is 1: 47 pm

solution:

→c= a b , that is product of a and b is possible only when when a is m × n matrix and b is n × p matrix.

that is, number of columns of a= number of rows of b.

so, size of matrix , c= a b is , if a = (m × n)matrix

b= (n × p)matrix

then a b = [ (m × n)matrix] ×[   (n × p)matrix ]

→→c= a b= [m × p ] matrix

→→size of product a b will be equal to = number of rows of a × number of columns of b