Solve the problem.The length of the ellipse x = a cos t, y = b sin t, 0 ? t ? 2? is Length = 4a
where e is the ellipse's eccentricity.Use Simpson's Rule with n = 6 to estimate the length of the ellipse when a = 2 and e = 1/3.
A. 12.1751
B. 12.2097
C. 11.2546
D. 11.8956
Answer: B
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The table below shows the cost S, in cents, of domestic first-class postage t years after 1900. t19587885102 S24152237? A: Use exponential regression to model S as a function of t. Round your answer to two decimal places.B: Plot the exponential model along with the data points.C: According to the exponential model, what is the percentage increase in postal rates each decade? Round your answer to two decimal places.
What will be an ideal response?
Provide an appropriate response.Solve the system of equations using the addition method: x + 3y = -1 2x + 3y = -5
A. x = -3, y = 
B. x = 1, y = 
C. x = -4, y = 1
D. x = -2, y = -1
Replace the question mark by <, >, or =, whichever is correct.-8.4
-2.4
A. > B. < C. =
Determine the number of terms and name the coefficients of the terms.2y3 - 2y2 - y
A. 2; 2, -2 B. 3; 2, -2, -1 C. 3; 2, -2, 1 D. 3; 2, 2, 1