Solve the equation.log (2 + x) - log (x - 2) = log 3
A. {4}
B. {-4}
C. 
D. ?
Answer: A
Mathematics
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How many distinguishable permutations of letters are possible in the word?COLORADO
A. 13,440 B. 6720 C. 4480 D. 40,320
Mathematics
Solve the right triangle.a = 2.6 in., A = 49.8°, C = 90°Round values to one decimal place.
A. b = 4.0 in., B = 40.2°, c = 4.8 in. B. b = 4.0 in., B = 40.2°, c = 3.4 in. C. b = 2.2 in., B = 40.2°, c = 3.4 in. D. b = 1.1 in., B = 40.2°, c = 2.8 in.
Mathematics
Decide if the situation is a permutation or a combination and then answer the question.How many ways can a committee of 4 be selected from a club with 10 members?
A. Permutation; 40 B. Combination; 10,000 C. Combination; 210 D. Permutation; 5040
Mathematics
Determine which operation is indicated by each word or phrase.sum
A. divide B. multiply C. add D. subtract
Mathematics