Answer:
see below
Step-by-step explanation:
List the coefficients and constant for an equation in one row of the matrix. The variables should be in the same order. Any missing terms are replaced by zero.
![\left[\begin{array}{ccc|c}9&-4&-5&9\\7&4&-4&-1\\6&-6&1&-5\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Cc%7D9%26-4%26-5%269%5C%5C7%264%26-4%26-1%5C%5C6%26-6%261%26-5%5Cend%7Barray%7D%5Cright%5D)
Answer:
C
Step-by-step explanation:
The identity property for addition tells us that zero added to any number is the number itself.
Step-by-step explanation:
to solve you just add the length of each line segment. In this problem 1.7+3.2=4.9
Answer:
C
Step-by-step explanation:
Answer:
(6, 9)
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
Coordinate Plane
Midpoint Formula: 
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify points</em>
A(3, 8)
B(9, 10)
<u>Step 2: Find midpoint</u>
Simply plug in your coordinates into the midpoint formula to find midpoint
- Substitute in points [Midpoint Formula]:

- Simplify:
