Use the elimination method to solve the system.3 x - y = 145x + y = 26
A. (1, 5)
B. No solution
C. (5, 1)
D. (5, 2)
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Find the sum of the sequence.
A. 53 B. 400 C. 272 D. 384
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Solve the problem.The amount of particulate matter left in solution during a filtering process is given by the equation 
, where n is the number of filtering steps. Find the amounts left for 
and 
. (Round to the nearest whole number.)
A. 900, 28 B. 900, 225 C. 900, 3600 D. 1800, 225
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Approximate the circumference of the circle using 3.14 as an approximation for ?.
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Mathematics