When using an augmented matrix to solve a system of equations, which of these is not an allowable elementary row operation?

a. square or take the square root of any row
b. multiply a row by a nonzero constant
c. switch by any two rows
d. replace a row with the sum or difference of that row and another row

78.59 is the mean

step-by-step explanation:

dc=6 square root of 3 and ac is 12 square root 3

c and d

step-by-step explanation:

square root of 3/2 = 18/c

cross multiply to get 18*2=√3*c

36/√3 * √3/√3 = c

c= 36*√3/3

c=12√3

where's the diagram?

step-by-step explanation:

in mathematics, a constraint is a condition of an optimization problem that the solution must satisfy. there are several types of constraints—primarily equality constraints, inequality constraints, and integer constraints. the set of candidate solutions that satisfy all constraints is called the feasible set.

hoped i'm right lol