Decide whether the equation is conditional, an identity, or a contradiction. Give the solution set.4x + 7(x + 1) + 3 = 10 - 3x
A. Contradiction; ?
B. Identity; {all real numbers}
C. Conditional; {1}
D. Conditional; {0}
Answer: D
Mathematics
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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
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Find the sum of the given infinite geometric series.10 + 5 + 
+ . . .
A. 20
B. 
C. 5
D. 
Mathematics
Graph the system of inequalities.2x + y ? 4 x - 1 ? 0
A. 
B. 
C. 
D. 
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Solve the system by substitution.
A. 
B. (0, 0)
C. (4, 7)
D. 
Mathematics