Mathematics, 25.01.2020 08:31 davelopez979
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two trains leave a station on different tracks. the tracks make an angle of 130°, with the station as a vertex. the first train
travels 100 km and makes its first stop at point a, while the second train travels 200 km and makes it first stop at point b.
how far apart are the trains when both are at their first stop? round the answer to the nearest integer.
Answers: 2
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
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At the start of 2014 lucys house was worth ? 200 000. the value of the house increased by 5% every year. workout the value of her house at the start of 2017
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Mathematics, 22.06.2019 06:00
What is the solution to the system of the linear equations
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two trains leave a station on different tracks. the tracks make an angle of 130°, wit...
two trains leave a station on different tracks. the tracks make an angle of 130°, wit...
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