DRAG & DROP THE ANSWER
1 answer:
Answer:
62° for box above
118° for second box
Step-by-step explanation:
Since both lines are given parallel, we can apply theorems here.
For the first box above is 62°. This is alternate interior theorem where if both lines are parallel, both angles have same measure or are congruent.
For the second box, since we don't know what the second box's value is, we will leave it as x.
Therefore:-
62+x
Since 62+x forms a line; a line's measure is 180°.
Thus:-
62+x=180
x = 180-62
x = 118°
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Answer:
A. The coefficients of the sum are whole numbers and the sum is a polynomial.
Step-by-step explanation:
The approach to demonstrate the closure property for the sum consists in defining what a polynomial is and demonstrate that the sum of two polynomials with integer coefficients is equal to a polynomial with integer coefficients. We proceed to show the proof below:
1) ,
Given
2) Definition of addition
3) Definition of substraction/Associative and Commutative properties
4) Distributive property/Definition of substraction
5) Definition of addition/Result
Hence, the coefficients of the sum are whole numbers and the sum is a polynomial. The correct answer is A.