Write the first five terms of the geometric sequence.an = 5an-1; a1 = -2
A. -2, -10, -50, -250, -1250
B. -2, 3, 8, 13, 18
C. 5, 10, -50, -250, -1250
D. -10, -50, -250, -1250, -6250
Answer: A
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Find the foci of the ellipse.64x2 + y2 - 1152x + 5120 = 0
A. (8, 4
), (8, -4
)
B. (9 + 3
, 0), (9 -3
, 0)
C. (9, 8), (9, -8)
D. (9, 3
), (9, -3
)
Write interval notation for the following. Then graph the interval on a number line.The set of all numbers x such that -4 < x < 4
A. (4, ?)
B. [-4, 4]
C. (-?, -4)
D. (-4, 4)
A residential building contractor borrowed $29,000 to complete a new home. Some of the money was borrowed at 4%, some at 6%, and some at 7%. How much was borrowed at each rate if the annual interest owed was $1,580 and the amount borrowed at 6% is two times more than the amount borrowed at 7%?
A. $11,000 at 4%; $12,000 at 6%; $6,000 at 7% B. $9,000 at 4%; $14,000 at 6%; $6,000 at 7% C. $9,000 at 4%; $13,000 at 6%; $7,000 at 7% D. $10,000 at 4%; $10,000 at 6%; $8,000 at 7% E. $10,000 at 4%; $14,000 at 6%; $7,000 at 7%
State which type of average, the mean, median, or mode, would be most appropriate in the situation described. Explain your thinking.A shoe manufacturer wants to know in which size they should make the most shoes. Which type of average would be the most useful?
What will be an ideal response?