Find the exact value of the expression. Do not use a calculator.cos [cos-1 (-0.9372)]
A. 0.4686
B. -0.9372
C. 0.9372
D. -0.4686
Answer: B
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Decide whether the statement makes sense. Explain your reasoning.My share of the federal government's debt is about the same as my annual net income.
What will be an ideal response?
Solve the problem.One half of a number is 3 more than one-sixth the same number. What is the number?
A. 12 B. 8 C. 18 D. 9
Complete the identity.sin2 ? + sin2 ? cot2 ? = ?
A. sin2 ? + 1 B. cot2 ? + 1 C. cot2 ? - 1 D. 1
Samos Excavating is considering purchasing some new equipment for the company. Due to the expense involved, the equipment company is giving Samos the option of choosing between four different payments plans.
? 1) $500,000 due immediately in cash 2) $150,000 down payment due immediately; $60,000 per year for 10 years, beginning at the end of the current year 3) $150,000 down payment due immediately; $30,000 per year for 4 years beginning at the end of the current year; $80,000 per year for 8 years beginning at the end of the fourth year after the initial purchase 4) $65,000 due immediately and at the beginning of each of the next 11 years ? Required: Samos has to decide between the four payment plans, whichever one provides the smallest present value will be chosen. The effective interest rate during the future periods is 10%. Which option should Samos choose? What will be an ideal response?