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2 answers:
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Answer:
36 centimeters squared.
Step-by-step explanation:
Use the formula for the area of a square.
Answer:
Statement 1,3 and 4 are true.
Step-by-step explanation:
Given : The system of equations and
To find : Which statements are true? Check all that apply.
Solution :
Equation 1 -
Equation 2 -
Solving equations,
Add equation (1) and (2),
Step 1 -
Step 2 -
Step 3 -
Step 4 -
Step 5 - Substitute in equation (1),
Step 6 - The solution to the system is (8,2).
Statement 1 - The x-variable will cancel when adding the system of equations.
It is true shown in step 2.
Statement 2 - After adding the system of equations, you get - 12y = -8.
It is false shown in step 3.
Statement 3 - y=2
It is true shown in step 4.
Statement 4 - x=8
It is true shown in step 5.
Statement 5 - The solution to the system is (2,8).
It is false shown in step 6.