Answer:
D.
Step-by-step explanation:
Here is where the answer is mentioned: "After the Civil War, the era known as Reconstruction began. During this era, the federal government tried to grant rights to former slaves and rebuild the South."
The solution of the system of equations:
( -16.7, 19.28)
<h3>
How to solve the system of equations?</h3>
Here we have the system:
4x+3y=9
3x +4y = 36
First, we need to isolate one of the variables in one of the equations, let's isolate x on the second one:
x = 36/3 - (4/3)y = 9 - (4/3)y
Now we can replace this in the other equation:
4*(9 - (4/3)y) + 3y = 9
36 - (16/3)y + (9/3)y = 9
- (7/3)y = -36 - 9 = -45
y = (3/7)*45 = 19.28
To get the value of x, we get:
x = 9 - (4/3)*19.28 = -16.7
Then the solution of the system is ( -16.7, 19.28)
If you want to learn about systems of equations:
brainly.com/question/13729904
#SPJ1
Answer:
1/4
Step-by-step explanation:
Answer:
8
Step-by-step explanation:
you have to divide 56 by 7 and you will get 8.
Because how else would they be made. toothpaste is pretty much chemicals...
