Solve the problem.An appliance store had monthly sales of $112,600 and spent 4% of it on advertising. How much was spent on advertising?
A. $45,040
B. $281,500
C. $2,815,000
D. $4504
Answer: D
Mathematics
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Solve the given differential equation.y(4) - 21y'' - 100y = 0
A. y = C1e2x + C2e-2x + C3 cos 5x + C4 sin 5x B. y = C1e5x + C2e-5x + (C3 + C4x)e2x C. y = C1e5x + C2e-5x + C3 cos 2x + C4 sin 2x D. y = (C1 + C2x)e-5x + C3 cos 2x + C4 sin 2x
Mathematics
Form the negation of the statement.Today is July 16
A. Yesterday was not July 14. B. It is not true that today is July 17. C. Today is not July 16. D. Today is not July 17.
Mathematics
Find the moment or center of mass of the wire, as indicated.Find the moment about the x-axis of a wire of constant density that lies along the curve y = 
from 
to 
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression.
A. - 
B. -2
C. - 
D. -
Mathematics