Provide an appropriate response.How many real square roots does any positive number have?
A. None
B. It depends on the number
C. Two
D. One
Answer: C
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Provide an appropriate response.Describe the elements of a 4 × 4 identity matrix.
A. All elements of the matrix are ones. B. The matrix has ones on the main diagonal and zeroes below the main diagonal. C. The matrix has ones on the main diagonal, and all other elements are zero. D. The matrix has zeroes on the main diagonal. All other elements are ones.
Write the compound statement in symbols. Then construct a truth table for the symbolicstatement.Let r = "The food is good," p = "I eat too much,"q = "I'll exercise."The food is good and if I eat too much, then I'll exercise.
A. (r ? p) ? q
| T | T | T T |
| T | T | F F |
| T | F | T T |
| T | F | F T |
| F | T | T T |
| F | T | F T |
| F | F | T T |
| F | F | F T |
B. r ? (p ? q)
| T | T | T F |
| T | T | F F |
| T | F | T T |
| T | F | F T |
| F | T | T F |
| F | T | F T |
| F | F | T F |
| F | F | F F |
C. r ? (p ? q)
| T | T | T T |
| T | T | F F |
| T | F | T T |
| T | F | F T |
| F | T | T F |
| F | T | F F |
| F | F | T F |
| F | F | F F |
D. (r ? p) ? q
| T | T | T T |
| T | T | F F |
| T | F | T T |
| T | F | F F |
| F | T | T T |
| F | T | F F |
| F | F | T T |
| F | F | F F |
Find the sum of the series.
A. 
B. - 
C. - 
D. 
Indicate whether the number is a proper fraction, an improper fraction, or a mixed number.
A. mixed number B. proper fraction C. improper fraction