Questions from College Mathematics


Q: A strontium isotope has a half-life of 90 years.

A strontium isotope has a half-life of 90 years. What is the continuous compound rate of decay? (Use the radioactive decay model in Problem 43.) Data from Problem 43: A mathematical model for the dec...

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Q: An experiment consists of rolling two fair dice and adding the dots

An experiment consists of rolling two fair dice and adding the dots on the two sides facing up. Using the sample space shown in Figure 2 (page 398) and, assuming each simple event is as likely as any...

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Q: How long will it take for the U.S. population

How long will it take for the U.S. population to double if it continues to grow at a rate of 0.78% per year

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Q: Some developed nations have population doubling times of 200 years. At

Some developed nations have population doubling times of 200 years. At what continuous compound rate is the population growing? (Use the population growth model in Problem 47.) Data from Problem 47:...

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Q: solve for the variable to two decimal places. A =

solve for the variable to two decimal places. A = 3,000e0.071102

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Q: solve for the variable to two decimal places. 50,

solve for the variable to two decimal places. 50,000 = Pe0.054(7)

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Q: use logarithmic properties to write in simpler form. ln ex

use logarithmic properties to write in simpler form. ln ex

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Q: use logarithmic properties to write in simpler form. ln xy

use logarithmic properties to write in simpler form. ln xy

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Q: use logarithmic properties to write in simpler form. /

use logarithmic properties to write in simpler form.

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Q: find ′(x). /

find ′(x).

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