Simplify the expression. Assume all variables represent positive real numbers.
A. 5
B. 
C. 
D. 
Answer: D
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The simple interest note was discounted at 15%. Find the discount period in days and the proceeds.Loan made: Apr 18Face value: $400Length of loan: 150 daysRate: 11%Date of discount: June 18
A. 89 days, $384.49 B. 90 days, $406.83 C. 89 days, $402.82 D. 90 days, $388.50
In the Fahrenheit temperature scale, water freezes at 32°F and boils at 212°F. In the Celsius (or centigrade) scale, water freezes at 0°C and boils at 100°C. Assuming that the Fahrenheit temperature F and the Celsius temperature C are related by a linear equation, find the Fahrenheit temperature that corresponds to 91°C, to the nearest degree. ?
A. 123°F B. 164°F C. 196°F D. 221°F E. 83°F
Evaluate.-11.7 - (-9.5)
A. -21.2 B. -2.2 C. 2.2 D. 21.2
Solve the problem.In a chemistry class, 5 liters of a 4% silver iodide solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10% solution are needed?
A. 2.5 L B. 5.0 L C. 3.5 L D. 1.5 L