Solve the inequality.8.1 < -2.7x
A. {x
}
B. {x
}
C. {x
}
D. {x
}
Answer: C
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Solve.A picture 19 in. by 25 in. is to be mounted on a piece of matboard so that there is an even amount of mat all around the picture. How wide will the border be if the area of the mounted picture (that is, the area encompassed by the outer edges of the matboard) is 964.4 in.2? Express result to the nearest tenth of an inch.
A. 7.1 in. B. 4.6 in. C. 5.6 in. D. 6.6 in.
Solve the problem.A certain country's population P(t), in millions, t years after 1980 can be approximated by P(t) = 5.495(1.017)t .In what year will the country's population reach 5 million?
A. About 1984 B. About 1964 C. About 1974 D. About 1979
Solve the problem.A dentist can sell his practice for $1,100,000 cash or for $250,000 plus $270,000 at the end of each year for 4 years. (a) Find the present value of the annuity that is offered if money is worth 8% compounded annually. (b) If she takes the $1,100,000, spends $250,000 of it, and invests the rest in a 4-year annuity at 8% compounded annually, what size annuity payment will she receive at the end of each year? (c) Which is better, taking the $250,000 and the annuity or taking the cash settlement?
A. (a) $894,274.25; (b) $256,632.68; (c) $250,000 plus the annuity has a larger present value than $1,100,000. She should take $250,000 plus the annuity. B. (a) $697,533.91; (b) $255,726.92; (c) $250,000 plus the annuity has a smaller present value than $1,100,000. She should take the $250,000 plus the annuity. She should take the cash settlement. C. (a) $992,644.41; (b) $253,613.48; (c) $250,000 plus the annuity has a larger present value than $1,100,000. She should take $250,000 plus the annuity. D. (a) $581,278.26; (b) $241,234.72; (c) $250,000 plus the annuity has a smaller present value than $1,100,000. She should take the cash settlement.
Simplify the expression.
A. 
B. 
C. 
D. 