Solve the system by substitution.
A. 
B. 
C. (3, 8)
D. (0, 0)
Answer: A
Mathematics
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Solve for the indicated variable.P = 30,000 ? et/3, for t
A. t = 30 ? ln P
B. t = ln (30 P)
C. t = 3 ? ln 
D. t = 3 ? ln 
Mathematics
Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.tan 2x - tan x = 0
A. 
, 
B. 0
C. 0, ?
D. 
, 
, 
, 
, 
, 
, 
Mathematics
Provide an appropriate response.Solve the system of equations using the addition method:3x - 2y = 142x + 5y = 3
A. inconsistent; no solution B. x = 11.5, y = 4 C. dependent; many solutions D. x = 4, y = -1
Mathematics
Use a graphing calculator to solve the linear equation.-6x + 9 + 4x = -2x + 14
A. ? B. {-9} C. {5} D. all real numbers
Mathematics