Solve.The total resistance R of two resistances a and b connected in parallel is R = 
. What is the total resistance if a = 400 ohms and b = 100 ohms?
A. 160 ohms
B. 600 ohms
C. 80 ohms
D. 500 ohms
Answer: C
Mathematics
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A. 168 days B. 167 days C. 172 days D. 138 days
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A. 
B. 
C. 
D. 
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Use a system of linear equations to solve the problem.Two angles are complementary if the sum of their measures is 90°. The measure of the first angle is 24° more than two times the second angle. Find the measure of each angle.
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Mathematics