Answer:
32
Step-by-step explanation:
23
 
        
             
        
        
        
I think you mean six-hundred and seventy six.
6 ÷ 576 = 0.010416
or 0.0104166667
        
             
        
        
        
The answer for:
20) 
6x-7+6x³-4x-10x³-4-8x - 2x²= −43−22−6−11
19)
8u+6+7u+(-10) + (-5u) + 8= 10+4
        
                    
             
        
        
        
Answer:
both angles are the same, so you can use it interchangeably in proving.
But i suggest you to mantain only one, because it's easier to understand and it looks better.
 
        
             
        
        
        
Answer:
x = -2
y = -1
(-2, -1)
General Formulas and Concepts:
<u>Pre-Algebra</u>
- Order of Operations: BPEMDAS
- Equality Properties
<u>Algebra I</u>
- Solving systems of equations using substitution/elimination
- Solving systems of equations by graphing
Step-by-step explanation:
<u>Step 1: Define systems</u>
y = x + 1
3x + 3y = -9
<u>Step 2: Solve for </u><em><u>x</u></em>
<em>Substitution</em>
- Substitute in <em>y</em>:                              3x + 3(x + 1) = -9
- Distribute 3:                                   3x + 3x + 3 = -9
- Combine like terms:                     6x + 3 = -9
- Isolate <em>x</em> term:                               6x = -12
- Isolate <em>x</em>:                                        x = -2
<u>Step 3: Solve for </u><em><u>y</u></em>
- Define original equation:                    y = x + 1
- Substitute in <em>x</em>:                                     y = -2 + 1
- Add:                                                      y = -1
<u>Step 4: Graph systems</u>
<em>Check the solution set.</em>