Solve for the indicated variable.D - D0 = (D1 -D0)10-kt, for t
A. t = - 
log 
B. t = - 
log (D - D1)
C. t = - 
D. t = - 
log 
Answer: D
Mathematics
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Identify the terms. Then identify the coefficients of the variable terms of the expression. ? 6x + 2 ?
A. 6x and 2 are the terms; 6 is the coefficient. B. 6x and 2 are the terms; -2 is the coefficient. C. 6x and 2 are the terms; -6 is the coefficient. D. 6x and 2 are the terms; 2 is the coefficient. E. 6 and 2 are the terms; 6 is the coefficient.
Mathematics
Express the number in terms of j.
A. j
B. -z6j
C. z6
D. z6j
Mathematics
Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. 
Mathematics
Solve for y.8y + x2 = x + 5
A. y = 
B. y = 
C. y = x + 5 - x2
D. y = x2 - x - 5
Mathematics