Find the sum.6 + [21 + (-25)]
A. -40
B. 10
C. 2
D. 52
Answer: C
Mathematics
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Use a graphing calculator to solve the equation. Round your answer to two decimal places.log4(x + 2) - log5(x - 1) = 1
A. {-0.69} B. {2.00} C. {2.05} D. {1.75}
Mathematics
Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. 8x - y - 3z = 28 8x + 4y - 5z = 60-7x - 9y + z = -110
A. (6, 8, 4) B. (-6, 8, 12) C. (6, 4, 8) D. No solution
Mathematics
Find the quotient.
A. 5
B. 
C. -200
D. -5
Mathematics
Solve the problem.A carousel has a radius of 15 feet and takes 29 seconds to make one complete revolution. What is the linear speed of the carousel at its outside edge? If necessary, round the answer to two decimal places.
A. 12.15 ft/sec B. 94.25 ft/sec C. 3.25 ft/sec D. 0.52 ft/sec
Mathematics