Solve the system by Gauss - Jordan elimination.
a. ( 36, 8, 30 )
b. ( 0, 8, -30 )
c. ( 36, -8, -30 )
d. ( -36, -8, -30 )
e. ( -36, 8 -30 )
a. ( 36, 8, 30 )
Mathematics
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The midrange for this set of numbers: 1.5cc, 4.0cc, 6.5cc, 8.0cc, 8.0cc, 8.0cc, 10.5cc, 12.0cc, 12.0cc; is
A. 6.75cc B. 7.8cc C. 10.5cc D. none
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Change 4859 to powers of ten form with an exponent of:
a. 3 b. 2 c. 4
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Find the exact value of the expression.tan 
A. 2 + 
B. 
C. 
D. -2 - 
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Solve by completing the square to obtain exact solutions.8x2 + 30x + 25 = 0
A. - 
, - 
B. 
, 
C. 
, 
D. - 
, - 
Mathematics