Mathematics, 24.12.2020 20:30 twinkieslayer
3
1
The temperature fell from 0°F to 6 3/5 F below 0f in 2 1/5 hours. What was the temperature change per hour?
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 22:30
Select all of the following expressions that are equal to 2.5.
Answers: 3
Mathematics, 21.06.2019 23:00
The value of cos 30° is the same as which of the following?
Answers: 1
Mathematics, 22.06.2019 01:30
For the functions f(x) = -922 – 2x and g(x) = -32? + 6x – 9, find (f - g)(x) and (f - ).
Answers: 1
3
1
The temperature fell from 0°F to 6 3/5 F below 0f in 2 1/5 hours. What was the temperatur...
The temperature fell from 0°F to 6 3/5 F below 0f in 2 1/5 hours. What was the temperatur...
Mathematics, 28.08.2020 18:01
Business, 28.08.2020 18:01
Arts, 28.08.2020 18:01
Physics, 28.08.2020 18:01