Solve the problem.A company wishes to manufacture a box with a volume of 24 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. 5.2 ft
B. 6.4 ft
C. 3.2 ft
D. 2.6 ft
Answer: D
Mathematics
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Find the flux of the curl of field F through the shell S.F = -5zi - 4xj - 4yk ; S: r(r, ?) = r cos ?i + r sin ?j + 3rk, 0 ? r ? 3 and 0 ? ? ? 2?
A. 36? B. -36 C. -36? D. 0
Mathematics
Use a grapher to find the vertex, rounding to the nearest hundredth when necessary.f(x) = x2 + 2x - 5
A. (-1, -6) B. (1, -6) C. (1, 6) D. (-1, -5)
Mathematics
Solve the problem.On a flywheel with a 79.2-mm radius, how long is an arc subtended by a central angle of 245°?
A. 677 mm B. 121,919 mm C. 13,411 mm D. 339 mm
Mathematics
Given the graph of the function f(x), find a formula for g(x) in terms of f.f(x)g(x)
?
A. g(x) = f(x) - 2 B. g(x) = f(x) + 2 C. g(x) = f(x + 2) D. g(x) = f(x - 2)
Mathematics