Solve the problem. Use 3.14 for ? and round to the nearest tenth.The striking circle in field hockey is a semicircle with a radius of 16.9 yards. Find the area of the semicircle.
A. 3587.3 yd2
B. 896.8 yd2
C. 106.1 yd2
D. 448.4 yd2
Answer: D
Mathematics
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Verify the integration formula.
sech-1 x + 
+ C
A. No B. Yes
Mathematics
Find the simplest form of a second-order homogeneous linear differential equation that has the given solution.y = c1e-5x cos 3x + c2e-5x sin 3x
A. D2y - 10Dy + 34y = 0 B. D2y + 10Dy - 34y = 0 C. D2y - 10Dy - 34y = 0 D. D2y + 10Dy + 34y = 0
Mathematics
Find an equation for the graph.
A. y = 3 cos 2x
B. y = 3 cos 
x
C. y = 2 cos 3x
D. y = 2 cos 
x
Mathematics
Provide an appropriate response.Solve the equation by using quadratic formula. Use a calculator and give your answer by rounding off to 2 decimal places: 1.3x2 + 3.5x + 1.2 = 0
Fill in the blank(s) with the appropriate word(s).
Mathematics