Perform the addition visually using symbols.-9 + (-10)
A. 19
B. -1
C. 1
D. -19
Answer: D
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Determine the quadrant containing the terminal side of ? under the given conditions.cot ? > 0 and sin ? < 0
A. Quadrant II B. Quadrant IV C. Quadrant I D. Quadrant III
Use inductive reasoning to predict the next line in the pattern.6 × 8 = 7 × 9 - 158 × 10 = 9 × 11 - 19
A. 10 × 12 = 11 × 13 - 23 B. 10 × 12 = 13 × 19 - 23 C. 10 × 12 = 11 × 13 + 21 D. 10 × 12 = 11 × 13 - 21
Which of the following statements about cash management systems is correct?
A. A lockbox system generally is used to effectively manage a firm's collections through concentration banking arrangements. B. A firm that has many divisions that are widely dispersed geographically will find that centralizing customers' payments is of little benefit. C. Disbursement float refers to the frequency with which a firm writes checks to pay its creditors. D. There are few actions a firm can take to improve its synchronization of cash flows. E. Zero-balance accounts are used to help a firm to manage its cash receipts.
Use mathematical induction to prove that the statement is true for every positive integer n.4 + 8 + 12 + . . . + 4n = 2n(n + 1)
What will be an ideal response?