Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.
A. 120
B. 248
C. 340
D. 24
Answer: B
Mathematics
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Find the values of a1, a2, a3, and a4.an = sin (n?)
A. 0, 0, 0, 0 B. 1, 0, -1, 0 C. 1, 1, 1, 1 D. 0, 1, 0, -1
Mathematics
Write the number in scientific notation.67,000
A. 6.7 x 10-4 B. 6.7 x 10-5 C. 6.7 x 105 D. 6.7 x 104
Mathematics
Match the numerical model to the corresponding model.
A. y = x + 60 B. y = 60-2x C. y = 60-2x2 D. y = 60-x2
Mathematics
Identify the equation without completing the square.3x2 + 4y2 + 2x + 3y = 0
A. hyperbola B. ellipse C. parabola D. circle
Mathematics