Solve the problem.A rug is to fit in a room so that a border of even width is left on all four sides. If the room is 17 feet by 24 feet and the area of the rug is 170 square feet, how wide will the border be?
A. 5.5 ft
B. 6 ft
C. 3.5 ft
D. 4.5 ft
Answer: C
Mathematics
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Find the particular solution to the given differential equation that satisfies the given conditions.4D2y + 9y = 0; y = 0 and Dy = 1 when x = 
?
A. y = - 
cos 
x
B. y = c1 sin 
x + c2 cos 
x
C. y = - 
sin 
x
D. y = 
cos 
x
Mathematics
Evaluate the integral.
dx
A. 3
+ 1
B. 
C. x
+ 1 + C
D. 3
+ 1 - 1
Mathematics
Perform the indicated operation.
- 
A. 
B. 
C. - 
D. 
Mathematics
Plot the point.
A. 
B. 
C. 
D. 
Mathematics