Jenn gives up her part-time job with a salary of $10,000 per year to go to school for 3 years. The total cost of going to school is $55,00. If jenn wants to recover her investment in 5 years or less, what is the minimum salary she would need to earn upon getting her degree?
$25,000
$35,000
$45,000
$20,000

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

b

step-by-step explanation:

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step-by-step explanation:

step-by-step explanation: it is d