Question 10 Choose one altemative that best completes the statement (5.7) (4, 5.

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Question 10 Choose one altemative that best completes the statement (5.7) (4, 5.3, C) C o D polnts Save Anawer Question 11 Mrs. Bol's second grade class cf thirty students conducted a pet ownership survay Results of the survay indicated that 8 students own a cat 15 students own a dog, and 6 students own a cat and a dog. How many of the students surveyed own only a dog? A) 22 B) 10 C) 15 D) 18 O B 4 polnts Save Anawer Question 12 Tell whether the statement is true or faise (4xxis an even courting number between6 and 12) True False 4 points Save Anawer Question 13 Indicate whether the statement is a simple or a compound statement. If it is a compound statement, indicate whether it is a negation, conjunction, disjunction, conditional, or biconditional by using both the word and its appropriste symbol If you forget to bring the book back to the library will have to pay a fine O Compound biconditional; o Compound conjunction: o Compound, conditional: o Simple statement 4 points Save Anawer Question 14 Let C-5·8). D (2 5. 85. u =(1.2 3. 4. 5. 6. 7·8). Determine whether the statement is true or tase. C D True O False

Explanation / Answer

10. The set {5,6,7} is the proper subset of {4,5,6,7}

=> The symbol is which is given in C.

11. We have n(dog) = 15 n(cat) = 8 n(cat and dog) = 5.

n(dog - cat) = n(dog) - n(cat and dog) = 15 - 5 = 10.

The answer is B).

12. {x | x is an even counting number between 6 and 12}

The even counting numbers between 6 and 12 are 8 and 10. 4 is not among them.

The answer is false.

13. If you forget to bring back the book to the library, you will have to pay the fine.

Since there are two statements fused into one, this is a compound statement and since the second depends on the first, this is a conditional statement.

The answer is Compound, Conditional, ->.

14. C = {5,8} D = {2,5,8} U = {1,2,3,4,5,6,7,8}

Since the elements in C are in D as well, the statement C D is false.

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