Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.Richard has $73.72 deducted from his monthly salary of $1,940 for a vacation savings plan. What percent of Richard's salary is withheld for the vacation savings plan? What percent of Richard's salary is not withheld for vacation savings plan?
A. 4.8%; 952%
B. 3.8%; 96.2%
C. 952%; 4.8%
D. 96.2%; 3.8%
Answer: B
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Suppose the two "legs" of the compass shown in the illustration are adjusted so that the distance between the pointed ends is 8 inches. What will the area of the circle be, if ?
A. 200.96 B. 50.24 C. 3.1415926536 D. 16 E. none of these
Use properties of real numbers to calculate the expression mentally.4 ? 22
A. 26 B. 880 C. 440 D. 88
Use the brute force algorithm to find a minimum Hamilton circuit for the graph. Also, determine the total weight of the minimum Hamilton circuit.
A. Minimum Hamilton circuit is W ? X ? Y ? Z ? W; weight = 220 B. Minimum Hamilton circuit is W ? Z ? X ? Y ? W; weight = 220 C. Minimum Hamilton circuit is W ? Y ? X ? Z ? W; weight = 217 D. Minimum Hamilton circuit is W ? X ? Z ? Y ? W; weight = 213
Write a formula for the general term (the nth term) of the arithmetic sequence. Then use the formula for an to find a20, the 20th term of the sequence.2, 6, 10, 14, 18, . . .
A. an = n + 4; a20 = 24 B. an = 2n - 4; a20 = 36 C. an = 4n - 2; a20 = 78 D. an = 4n + 2; a20 = 82