Solve the system of equations using the inverse of the coefficient matrix.2x + 8y + 6z = 204x + 2y - 2z = -23x - y + z = 11
A. x = -1, y = 2, z = 1
B. x = 2, y = 1, z = 6
C. No solution
D. x = 2, y = -1, z = 4
Answer: D
Mathematics
You might also like to view...
Construct a truth table for the statement.(s ? ~q) ? (s ? ~q)
A. 
| T | T | T |
F T F
F F T
B.
| T | T | F |
F T T
F F T
C.
| T | T | T |
F T F
F F F
D.
| T | T | F |
F F F
F T T
Mathematics
Change to a percent. Round to the nearest hundredth of a percent when necessary.
A. 36% B. 18% C. 3.6% D. 1000%
Mathematics
FInd the tangential and normal components of the acceleration.r(t) = (t + 2)i + (ln(cos t) - 8)j + 7k
A. a = (sec t tan t)T + (sec t)N B. a = (sec t tan t)T - (sec t)N C. a = (-sec t tan t)T + (sec t)N D. a = (-sec t tan t)T - (sec t)N
Mathematics
Evaluate the following iterated integral.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics