Mathematics, 25.07.2019 05:30 sakinahunt
Kathie ran for twice as long as she walked. she walked for 10 minutes more than she rode her bike. she walked for 30 minutes. how many minutes did kathie exercise altogether?
Answers: 1
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 17:00
Issof claims that the scale factor is 1/2. which statement about his claim is correct
Answers: 3
Mathematics, 21.06.2019 22:00
Find two consexutive odd integers such that the sum of their square is 650
Answers: 2
Mathematics, 21.06.2019 23:30
The experience c-0.25c can be used to find the cost of an item on sale for 25% off which expression beloit equivalent to c-0.25c
Answers: 1
Kathie ran for twice as long as she walked. she walked for 10 minutes more than she rode her bike. s...
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