Which expression represents the following situation? Multiply the sum of a number and 3 by the difference of 8 and the numbe
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A p + 3x 8-p
B p + 3(8 - p)
C (p + 3) x 8-p
D (p + 3) (8-)

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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

answer: ur v dumb

step-by-step explanation: