Write an expression for the perimeter in simplest form.
A. 2x + 8
B. 8x + 32
C. 4x + 16
D. x2 + 8x
Answer: C
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Find the common difference d and the nth term an of the arithmetic sequence with the specified terms. 4th term is 20; 6th term is 38
A. d = 9; an = 9n - 7 B. d = 7; an = 7n + 16 C. d = 2; an = 2n + 9 D. d = 9; an = 9n - 16
Determine whether the system is consistent or inconsistent and whether the equations are dependent or independent.6 = 9x + 4y-12y - 27x = -18
A. Consistent; independent B. Inconsistent; dependent C. Inconsistent; independent D. Consistent; dependent
Write the complex number in polar form. Express the argument in degrees, rounded to the nearest tenth, if necessary.2
A. 2(cos 270° + i sin 270°) B. 2(cos 90° + i sin 90°) C. 2(cos 180° + i sin 180°) D. 2(cos 0° + i sin 0°)
Find the perimeter.A triangle has sides of length 88 decimeters, 3.4 meters, and 6.8 meters. Express the answer in meters.
A. 89.02 m B. 890.2 m C. 19 m D. 190 m