Two walls are in the shape of a trapezoid with bases that measure 12 ft(labeled a in the figure), and 28 ft (labeled b in the figure) and a height of 11 ft (labeled h in the figure). You wish to wallpaper the two walls. One roll of wallpaper will cover 40 ft². How many rolls of wallpaper should you purchase? Round your answer to the nearest whole number, if necessary.
 figure 3.png)
c. 5 rolls
Mathematics
You might also like to view...
Find the derivative.y = 2x-7 - 2x-6
A. -14x-8 - 12x-7 B. -14x-6 + 12x-5 C. 2x-6 - 2x-5 D. -14x-8 + 12x-7
Mathematics
Solve the equation.t2 + 3t - 10 = 0
A. -5, 2 B. 5, -2 C. 5, 2 D. -5, 1
Mathematics
Find the axis of symmetry of the given function.f(x) = -2x2 + 7x + 8
A. x = - 
B. x = 
C. x = 
D. x = - 
Mathematics
Solve the problem.The manufacturer of a CD player has found that the revenue R (in dollars) is
when the unit price is p dollars. If the manufacturer sets the price p to maximize revenue, what is the maximum revenue to the nearest whole dollar?
A. $53,045 B. $424,360 C. $106,090 D. $212,180
Mathematics