Which expression is equivalent to 6^-4 ÷ 6^-2?
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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
Mathematics, 21.06.2019 23:30
Which graph represents the same relation is the sa which graph represents the same relation as the set {(-3-2)}
Answers: 3
Mathematics, 21.06.2019 23:50
Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before
Answers: 2
Mathematics, 22.06.2019 00:30
If we pull out the middle player of team a and the fourth player of the team b. what will be the force of team a and team b? what is their sum of forces
Answers: 2
Mathematics, 03.02.2021 21:30
Mathematics, 03.02.2021 21:30
Mathematics, 03.02.2021 21:30
Mathematics, 03.02.2021 21:30
Mathematics, 03.02.2021 21:30
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