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Mathematics, 04.11.2020 18:30 carms12
There are 70 students in the school band. 40% of them are sixth graders, 20% are seventh graders, and the rest are eighth graders. How many students are eighth graders?
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Mathematics, 21.06.2019 16:50, lunamoon1
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
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Mathematics, 21.06.2019 20:20, SESDMANS9698
Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.
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Mathematics, 21.06.2019 23:00, benwill0702
The sum of 5consecutive even numbers is 100. what is the first number in this sequence?
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There are 70 students in the school band. 40% of them are sixth graders, 20% are seventh graders, an...
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