Mathematics, 28.06.2019 22:00 lazerlemon500
1point) convert the integral below to polar coordinates and evaluate the integral. ∫4/2√0∫16−y2√yxydxdy instructions: enter the integrand in the first answer box, typing theta for θ. depending on the order of integration you choose, enter dr and dtheta in either order into the second and third answer boxes with only one dr or dtheta in each box. then, enter the limits of integration and evaluate the integral to find the volume. ∫ba∫dc a
Answers: 3
Mathematics, 21.06.2019 16:50
The rate of decay of a radioactive substance depends upon the amount present initially. the mass y (mg) of the radioactive substance cobalt-60 present in a sample at time t (years) is represented by the exponential equation y=50e −0.1315 t . answer the following questions in complete sentences. 1. how does the exponential equation above compare to the equation for simple interest that is compounded continuously? explain the similarities. 2. what is the initial amount of cobalt-60 in the sample? 2. how much cobalt-60 is left after 8.4 years? show your work. 3. what would be the y-intercept of the graph? what does it represent? 4. after how many years will the amount of cobalt-60 left be 6.25 mg? explain what happens to the cobalt-60 after 50 years? 5. discuss some “real-world” examples and uses of cobalt-60
Answers: 1
Mathematics, 21.06.2019 20:00
How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5
Answers: 2
Mathematics, 21.06.2019 22:00
What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?
Answers: 1
1point) convert the integral below to polar coordinates and evaluate the integral. ∫4/2√0∫16−y2√yxyd...
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