Use the premises and conclusion to answer the questions.
2 answers:
Answer:
The given argument is valid by the law of detachment
Step-by-step explanation:
Law of Detachment states that if the following two statements are true:
(1) If a , then b .
(2) a
Then we can say a third true statement:
(3) b.
Given:
1) If a triangle has an angle with a measure more than 90°, then the triangle is an obtuse triangle.
2) The measure of an angle in △ABC is 110°.
Let the statement a be "If a triangle has an angle with a measure more than 90°" , and b be the statement "the triangle is an obtuse triangle."
then, (1) and (2) can be written as:
1) If a , then b.
2) a
so, by the Law of Detachment, we can say that b is true i.e,
is an obtuse triangle.
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Given:
Cost of four lines = $125
Cost of each additional line = $15
Jason wants to spend at most $200 per month on cell phone expenses.
To find:
The inequality for the given situation.
Solution:
Let be the number of additional line.
Cost of one additional line = $15
Cost of additional line =
Total cost = Fixed cost + Addition cost
=
It is given that Jason wants to spend at most $200 per month on cell phone expenses. It means the total cost must be less than or equal to 200.
Therefore, the correct option is C.