A sign is hung on the wall of a building as in the figure below. Given the downward force and the horizontal force, determine the minimum required strength of a cable from point A to point B.
Downward force: 12 pounds; horizontal force: 12 pounds
A. 24 pounds
B. 288 pounds
C. 144 pounds
D. 16.97 pounds
Answer: D
Mathematics
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Find the surface area of the solid.Find the surface area of the cube.
A. 658,503 mm2 B. 22,707 mm2 C. 45,414 mm2 D. 522 mm2
Mathematics
Solve the equation.
= 7
A. 
B. 
C. {7}
D. {49}
Mathematics
Provide an appropriate response.Suppose that you are solving a system of three linear equations and three variables by the row echelon method and you obtain the following augmented matrix. 
What row transformation would you perform next?
A. Add -2 times row 1 to 10 times row 3 to obtain a zero in the third row, second column position.
B. Multiply row 2 by 
.
C. Multiply row 1 by 
.
D. Add row 1 to row 2.
Mathematics
Graph the function.y = 4 sin x + 2 cos 2x
A. 
B. 
C. 
D. 
Mathematics