Use the inverse of the coefficient matrix to solve the system of equations. y + z = 6,3x -z = 5, 2x + y + 3z = 8; A-1 = - 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Provide an appropriate response.It can be shown that 
= 0 for c > 0. Find the smallest value of N such that 
for all 
if 
and 
A. 12 B. 10 C. 11 D. 13
Mathematics
Find the derivative of the function.y = log (6x)
A. 
B. 
C. 
D. 
Mathematics
Use unit ratios or conversion factors to change to the units indicated. Round to the nearest tenth, if necessary.50 ft to meters
A. 164.0 m B. 15.0 m C. 45.5 m D. 16.7 m
Mathematics
Use the MACRS depreciation rates table to find the recovery percent (rate), given the recovery year and recovery period.MACRS Depreciation Rates 
Recovery year: 5Recovery period: 5-year
A. 7.41% B. 8.93% C. 11.52% D. 12.49%
Mathematics