Solve the problem.The amount of particulate matter left in solution during a filtering process is given by the equation P = 1000(2)-0.4n, where n is the number of filtering steps. Find the amounts left for
and
(Round to the nearest whole number.)
A. 1000; 250
B. 2000; 250
C. 1000; 31
D. 1000; 4000
Answer: A
Mathematics
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Divide and, if possible, simplify. Assume all variables represent positive real numbers.
A.
B. 3
C. 3
D.
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Expand, where i2 = -1.(4 + i)4
A. 353 + 272i B. 272 + 353i C. 161 + 240i D. 240 + 353i
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Identify the radicand.3ab
A. b2 - 8
B.
C. b2
D. 3ab
Mathematics
Simplify the expression.
A.
B.
C.
D.
E.
Mathematics