A 50-foot wire running from the top of a tent pole to the ground makes an angle of 55° with the ground. If the length of the tent pole is 47 feet, how far is it from the bottom of the tent pole to the point where the wire is fastened to the ground? (The tent pole is not necessarily perpendicular to the ground.)
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Apply the rules regarding the use of significant digits after all computations are complete.
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A. 6 ft
B. 3 ft
C. 5.6 ft or 52 ft
D. 52 ft
E. 2.6 ft or 64 ft
Answer: C
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Solve.How many square feet of wood are needed to build a cabinet that is 2 feet 3 inches tall, 1 foot 4 inches deep and 1 foot 4 inches wide? (Assume that wood is needed for all six surfaces. Round to the nearest square foot.)
Fill in the blank(s) with the appropriate word(s).
A building in the shape of a rectangular box is to have a volume of 21,000ft3 (see the figure). It is estimated that the annual heating and cooling costs will be $2/square foot for the top, $7/square foot for the front and back, and $3/square foot for the sides. Find the dimensions of the building that will result in a minimal annual heating and cooling cost. What is the minimal annual heating and cooling cost(C)?
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x = __________
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y = __________
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z = __________
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C = __________
What will be an ideal response?
Find the requested composition of functions.Given f(x) = 
and g(x) = 
, find (f ? g)(x).
A. 
B. 
C. 
D. 
Solve the problem.Six out of 10 adults in a certain city buy their drugs at large drug stores. If this city has 27,000 adults, how many of these adults would you expect to buy their drugs at large drug stores?
A. 4500 adults B. 1620 adults C. 16,200 adults D. 450 adults