Determine function which models mass remaining after t years
Half-life of radium-226 is 1600 years. Assume we have 27-mg sample.
b) Determine the function
m(t) = m0e-rt
which models mass remaining after t years.
(d) After how long will only 19 mg of sample remain?
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Write an equation of the polynomial function p having only roots -4,-2,1, and 3 and with given characteristics. There are several possible solutions.
Use the grapher to sketch graph of function from part (a) incorporating restrictions from part b. d. use the grapher to find value of x for which volume is the maximum. also determine maximum volume.
3 forces with magnitudes of 210 newtons, 145 newtons, and 23 newtons act on the object at angles of 90 degrees, 225 degrees, and 55 degrees, respectively. Determine direction and magnitude of resultant forces.
After three days sample of radon-222 has decayed to 58% of its original amount. How long will it take sample to decay to 30% of its original amount?
Half-life of radium-226 is 1600 years. Assume we have 27-mg sample. After how long will only 19 mg of sample remain?
Population of the certain species of fish has the relative growth rate of 1.6% per year. It is evaluated that population in 2000 was 11 million. Evaluate fish population in year 2005.
The rectangular field is to be subdivided in ten equal fields. There is 5050 feet of fencing available. Determine dimensions of field which maximizes total area.
Solve given quadratic equation exactly using quadratic formula. Write solutions in simplest form. Using the calculator, find all irrational solutions to nearest thousandth.
The town had the population of 60,000 in 2000 and 70,000 in 2010. Determine the exponential function which will forecast the populations as the function of number of years since 2000.
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