Which set of angle measures can be the angle measures of a triangle?
1 answer:
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The associative property has been used in step 3
Step-by-step explanation:
There are multiple properties that are used to solve the equations
One of them is associative property.
Associative property states that the order of three terms which are being added doesn't matter the result will be same.
In step 2:
As we can see that the last three terms are being added
The solver has used the associative property to solve the expression.
The brackets have been changed from using associative property
The associative property has been used in step 3
Keywords: Properties , expressions
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We know the number of yards run per quarter:
- Quarter 1: -2 yards
- Quarter 2: 14 yards
- Quarter 3: -18 yards
- Quarter 4: -6 yards
Sum of yards run across quarters = (-2) + 14 + (-18) + (-6) = -12
Total number of quarters = 4
⇒
⇒ = -3
Hence, he ran -3 yards per quarter