Solve.A recent advertisement claimed that 2 out of every 5 doctors recommend a certain herbal supplement to increase energy levels. If a local hospital employs 230 doctors, how many doctors would you expect to recommend the supplement? (Round to the nearest whole number, if necessary.)
A. 92 doctors
B. 575 doctors
C. 2300 doctors
D. 46 doctors
Answer: A
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Perform the addition.13.11 + 146.6 + 9.25 + 0.0117 + 0.546
A. 151.0177 B. 150.9943 C. 169.4943 D. 169.5177
Determine whether the given ordered set of numbers is a solution of the system of equations.(-5, -6)3x + y = -214x + 3y = -38
A. Yes B. No
Decide whether the relation is a function, and give the domain and range.
A. Not a function; domain: (-?, 0) ? (0, ?); range: (-?, ?) B. Not a function; domain: (-?, ?); range: (-?, ?) C. Function; domain: (-?, 0) ? (0, ?); range: (-?, ?) D. Function; domain: (-?, ?); range: (-?, ?)
Solve the problem.A company wishes to manufacture a box with a volume of 20 cubic feet that is open on top and is twice as long as it is wide. Find the width of the box that can be produced using the minimum amount of material. Round to the nearest tenth, if necessary.
A. 4.8 ft B. 6.2 ft C. 3.1 ft D. 2.4 ft