Answer:
it's b
Step-by-step explanation:
Pull up sever 8 Rag mushroom cave Alpha on top ya hereddd
Step-by-step explanation:
Move −20-20 to the right side of the equation because it does not contain a variable.−9y+4x=20-9y+4x=20−7y+16x−80=0-7y+16x-80=0Move −80-80 to the right side of the equation because it does not contain a variable.−9y+4x=20-9y+4x=20−7y+16x=80-7y+16x=80Write the system of equations in matrix form.[4−92016−780][4-92016-780]Find the reduced row echelon form of the matrix.Tap for more steps...[105010][105010]Use the result matrix to declare the final solutions to the system of equations.x=5x=5y=0y=0The solution is the set of ordered pairs that makes the system true.(5,0)(5,0)Decompose a solution vector by re-arranging each equation represented in the row-reduced form of the augmented matrix by solving for the dependent variable in each row yields the vector equality.X=[xy]=[50]
Answer:
20%
Step-by-step explanation:
(61200-51000)/51000×100
(102000/51000)×100
0.2×100=20%
Hope that helped! :)
Answer:
- 5
Step-by-step explanation:
Given
(- 2 × 2 - 6) ÷ 2
Evaluate the parenthesis performing the multiplication before subtracting.
= (- 4 - 6) ÷ 2
= - 10 ÷ 2
= - 5
