Use the trapezoidal rule to find the area.A pond was measured every 290 m. The distances across the pond (in meters) are given in the diagram. Find the area.
A. 2,800,000 m2
B. 2,600,000 m2
C. 1,700,000 m2
D. 1,800,000 m2
Answer: D
Mathematics
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Use the simple interest formula.If $38,000 is invested at 10% simple annual interest, how much should be invested at 12% annual simple interest so that the total yearly income from both investments is $5000?
A. $440 B. $10,000 C. $4400 D. $1000
Mathematics
Factor.3x2 + 11x + 10
A. (3x - 8)(x + 2) B. (x - 8)(x + 2) C. (3x + 5)(x + 2) D. (x + 5)(x + 2)
Mathematics
Solve the problem.The number G of gears a machine can make varies directly as the time T it operates. If it can make 2867 gears in 5 hours, how many gears can it make in 7 hours?
A. 573.4 gears B. 4013.8 gears C. 0.0122 gears D. 2879 gears
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics