Mathematics, 02.02.2020 15:46 rachel2005smith
Apackage of blank cds usually costs $8.50. this week it's on sale for 15% off. what's the discount?
a: $.15
b: $.85
c: $1.28
d: $1.34
Answers: 2
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
Answers: 1
Mathematics, 21.06.2019 20:00, karamalqussiri478
The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?
Answers: 1
Mathematics, 21.06.2019 20:00, serianmollel
Which statement about the annual percentage rate (apr) is not true?
Answers: 3
Mathematics, 21.06.2019 23:10, izzynikkie
Which graph represents the linear function below? y-4= (4/3)(x-2)
Answers: 2
Apackage of blank cds usually costs $8.50. this week it's on sale for 15% off. what's the discount?...
Mathematics, 13.02.2021 03:30
Mathematics, 13.02.2021 03:30
Biology, 13.02.2021 03:30
History, 13.02.2021 03:30