Select all operations which require a common denominator to simplify. (Check all that apply)
1 answer:
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Answer:
The first angle is 37.5° and the second would be 52.5°
Step-by-step explanation:
Angles are complementary when their sums add up to 90°.
The first angle is 37.5° and the second would be 52.5°, after we plug in x.
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Answer:
The solution to the system of equations be:
- x = 3
- y = 9
Step-by-step explanation:
Given the system of equations
x + y = 12
-x + 2y = 15
Let us solve the system of equations by elimination
adding the equations
solve 3y = 27 for y
divide both sides by 3
Simplify
For x+y=12 plug in y = 9
Subtract 9 from both sides
Simplify
Therefore, the solution to the system of equations be:
- x = 3
- y = 9