Use the given information to find the unknown length represented by the variable x.Triangle with a perimeter of 452 centimeters
A. 442 cm
B. 100 cm
C. 320 cm
D. 220 cm
Answer: D
Mathematics
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Use reduction formulas to evaluate the integral.
A. 9 ln
- 
sin x + C
B. 9 ln
- 
cos2 x + C
C. 9 ln
+ 
cos2 x + C
D. 9 ln
+ 9 sin x + C
Mathematics
Find the surface area or volume.Use an integral table and a calculator to find to two decimal places the area of the surface generated by revolving the curve 
about the x-axis.
A. 30.48 B. 24.84 C. 34.93 D. 42.69
Mathematics
Determine the specific solutions (if any) to the equation on the interval [0, 2?).tan 2? - tan ? = 0
A. 0, ?
B. 
, 
, 
, 
, 
, 
, 
C. 0
D. 
, 
Mathematics
Provide an appropriate response.Explain why 
= ?x? when k is even but 
= x when k is odd.
What will be an ideal response?
Mathematics