exam
Maths Puzzle
Numerical Ability
Which product would be used to solve the matrix equation below by using inverse matrices?
3 -4 [a] = 6
2 1 [b] 7
_______________________________
a. 1/11 [1 4] [6]
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exam Other Question
For the following function, C computes the cost in millions of dollars of implementing a city recycling project when x percent of the citizens participate.
C(x)= 1.4x/(100 - x)
Solve each inequality.Graph the soultions.
7+x(is greater than equal to sign)9