Solve the equation. Round your answer to four decimal places.2.5 ? log3(x - 1) = 6
A. x = 19
B. x = 14.9666
C. x = 730
D. x = 13.9666
Answer: B
Mathematics
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Use a calculator to evaluate the expression, or state that the value does not exist. Round the answer to four decimal places when necessary.tanh-1 4
A. does not exist B. 0.9993 C. 0.2554 D. 1.0007
Mathematics
Solve the problem.A collection of dimes is arranged in a triangular array with 11 coins in the base row, 10 in the next, 9 in the next, and so forth. Find the value of the collection.
A. $3.30 B. $0.66 C. $13.20 D. $6.60
Mathematics
Simplify.72 - 3 ? 5
A. 230 B. 80 C. 34 D. 140
Mathematics
Solve the system of equations by the substitution method. Check your solutions.
A. {(2, 8), (5, 1)} B. {(-2, 8), (-5, 11)} C. {(2, 4), (5, 1)} D. {(4, 2)}
Mathematics