Write the system of equations associated with the augmented matrix. Do not solve.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.Suppose f(x) = 31.2 + 1.3 log(x + 1) models salinity of ocean water to depths of 
at a certain latitude. x is the depth in meters and f(x) is the salinity in grams of salt per kilogram of seawater (expressed as parts per thousand or ppt). Approximate the salinity, to the nearest hundredth, when the depth is 346 meters.
A. 77.96 ppt B. 80.56 ppt C. -27.90 ppt D. 34.50 ppt
Mathematics
Solve the equation.
= 2.18
A. {918} B. {0, 918} C. {-482, 918} D. {482, 918}
Mathematics
Simplify the expression.(-10)2
A. 100 B. -20 C. -100 D. 20
Mathematics
Using switches, design a circuit that would find the truth values for the statement.
?
?
(a)
(b)
(c)
?
A. a
B. b
C. c
Mathematics