A solution contains 0.54 liters of sulfuric acid. If this represents 12% of the total amount, find the total amount.
A. 5 liters
B. 0.5 liters
C. 1.5 liters
D. 7 liters
E. 4.5 liters
Answer: E
Mathematics
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Solve the equation.-0.3(-800) + 0.15p = -0.1(-800 + p)
A. {-400} B. {-6400} C. {-40} D. {-640}
Mathematics
Find z1z2. Write your answer in standard polar form with the argument in radians.z1 = 2(cos 39° + i sin 39°), z2 = 5(cos 6° + i sin 6°)
A. 7(cos 234° + i sin 234°) B. 7(cos 45° + i sin 45°) C. 10(cos 33° + i sin 33°) D. 10(cos 45° + i sin 45°)
Mathematics
Use a graphing calculator to solve the linear equation.The graph of y1 is shown in the standard viewing window. Which is the only choice that could possibly be the solution of the equation y1 = 0?
-90, - 
, 
,85
A. -90
B. - 
C. 85
D. 
Mathematics
Find all solutions of the following equation.
A. 
B. 
C. 
D. 
E. 
Mathematics