7b - 12b + 1.4 > 8.4 -22

solve the inequality.

b<3

Step-by-step explanation:

Step 1: Simplify both sides of the inequality.

−5b+1.4>−13.6

Step 2: Subtract 1.4 from both sides.

−5b+1.4−1.4>−13.6−1.4

−5b>−15

Step 3: Divide both sides by -5.

−5b / −5 > −15 / −5

b<3

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