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Logic and Reasoning Answers

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If the statement shown is rewritten as a conditional statement in if-then form, which best describes the conclusion?When a number is divisible by 9, the number is divisible by 3.

A
Then the number is divisible by 3
B
Then the number is divisible by 9
C
If a number is divisible by 3
D
If a number is divisible by 9
3

Mr. Thomas wrote these true statements.If a figure is a triangle, the sum of the figure's interior angles is 180.Figure ABC is a triangle.

Question illustration
A
Using the law of detachment, the sum of the interior angles of ABC is 180.
Option A
B
Using the law of detachment, if the sum of a figure’s interior angles is 180, then the figure is a triangle.
Option B
C
Using inductive reasoning, the sum of the interior angles of ABC is 180.
Option C
D
Using inductive reasoning, if the sum of a figure’s interior angles is 180, then the figure is a triangle.
Option D
5

How can the statement be rewritten as a conditional statement in if-then form?A rectangle with 4 congruent sides is a square.

A
If a rectangle has 4 congruent sides, then it is a square.
B
If a figure has 4 congruent sides, then it is a square.
C
If a figure has 4 congruent sides, then it is a rectangle or square.
D
If a figure is a rectangle, then it is a square.
6

How can the statement be rewritten as a conditional statement in if-then form?The sum of the digits of a two-digit number is less than the value of the original two-digit number.

A
If a number has two digits, then the sum of its digits is less than the value of the original two-digit number.
B
If a number has two digits, then the value of the original two-digit number is less than the sum of its digits.
C
If the sum of the digits of a two-digit number is less than the value of the original two-digit number, then the value of the original two-digit number is greater than the sum of the two digits.
D
If the sum of the digits of a number is less than the value of the original number, then the number is a two-digit number.
7

Which conclusion can be drawn based on the true statements shown?If a line segment is a diameter, then it is the longest chord in a circle.Line segment AB is a diameter.

A
Based on the law of syllogism, line segment AB is the longest chord in a circle.
B
Based on the law of detachment, line segment AB is the longest chord in a circle.
C
Based on the law of syllogism, the longest chord in a circle is a diameter.
D
Based on the law of detachment, the longest chord in a circle is a diameter.
8

Which is a counterexample for the conditional statement shown?If two distinct points are graphed on a coordinate plane, then the line connecting the points can be represented with a function.

A
The points have the same x-coordinate value.
B
The points have the same y-coordinate value.
C
The points follow the rule (x, y) (–x, –y).
Option C
D
The points follow the rule (x, y) (–y, –x).
Option D
10

Galen wrote the statement "If the sum of the digits in a number is divisible by 3, the original number is divisible by 3."Which statements are true regarding his work? Select three options.The hypothesis of the statement is "the sum of the digits in a number is divisible by 3."An equivalent statement is "If the sum of the digits in a number is divisible by 3, then the original number is divisible by 3."The statement is not a conditional statement because it does not include both an "if" and a "then" clause.The statement can be proven true or false.The conclusion of the statement is written before the hypothesis.

A
The hypothesis of the statement is "the sum of the digits in a number is divisible by 3."
B
An equivalent statement is "If the sum of the digits in a number is divisible by 3, then the original number is divisible by 3."
C
The statement is not a conditional statement because it does not include both an "if" and a "then" clause.
D
The statement can be proven true or false.
E
The conclusion of the statement is written before the hypothesis.

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