Solve the problem.How many liters of a 10% alcohol solution must be mixed with 30 liters of a 50% solution to get a 30% solution?
A. 6 L
B. 3 L
C. 30 L
D. 60 L
Answer: C
Mathematics
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Divide: 250 ÷ 0.125
A. 2000 B. 0.2 C. 200 D. 20
Mathematics
Solve the equation.4p + 7 = 5p - 7
A. {14} B. {0} C. {15} D. {13}
Mathematics
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.8logby + 2logbz
A. logb(yz)10 B. logby8z2 C. 10logbyz D. 16logbyz
Mathematics
Find the foci of the given hyperbola.
- 
= 1
A. (0, 10), (0, -10) B. (0, 6), (0, -6) C. (10, 0), (-10, 0) D. (6, 0), (-6, 0)
Mathematics