Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.60% of the accountants in a business are female. If there are 350 accountants altogether, how many accountants are female?
A. 17 accountants
B. 583 accountants
C. 210 accountants
D. 140 accountants
Answer: C
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A patient's skull is x-rayed from a distance (FFD) of 18cm and an exposure time of 0.3s. If a second x-ray is ordered at a distance of 30cm, what should the exposure time be assuming the current setting is not changed?
A. 0.83s B. 0.5s C. 0.11s D. 0.18s
Solve. Round to the nearest tenth.One end guy wire is attached to the top of a 12-foot pole and the other end is anchored into the ground 7 feet from the base of the pole. Find the length of the guy wire.7 feet
A. 19 ft B. 13.9 ft C. 19.3 ft D. 13.6 ft
Solve.The following table shows the daily evaporation and usage totals, in acre-feet, during a summer week at a certain dam. Use these data to answer the questions.DayDaily Evaporation (in acre-feet)Daily Usage (in acre-feet)Sunday61.4 203.3Monday59.7 201.7Tuesday60.1219.5Wednesday57.2229.6Thursday61.6200.7Friday65.3212.5Saturday59.8210.3(a) Find the mean daily evaporation.(b) Find the median daily evaporation.(c) Find the mean daily usage.(d) Find the median daily usage.
A. (a) 61.5 acre-feet, (b) 60.1 acre-feet, (c) 209.4, (d) 210.3 B. (a) 60.7 acre-feet, (b) 60.1 acre-feet, (c) 211.1, (d) 210.3 C. (a) 61.5 acre-feet, (b) 57.2 acre-feet, (c) 209.4, (d) 212.5 D. (a) 60.7 acre-feet, (b) 57.2 acre-feet, (c) 211.1, (d) 212.5