Mathematics, 05.01.2021 14:00 aydenmasonc
Stefan sells Jin a bicycle for $115 and a helmet for $16. The total cost for Jin is %110 of what Stefan spent originally to buy the bike and helmet. How much did Stefan spend originally? How much money did he make by selling the bicycle and helmet to Jin?
Answers: 3
Mathematics, 21.06.2019 16:30
For how answer my question this will be the last question can you answer in math subject
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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 17:30
What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0
Answers: 3
Mathematics, 21.06.2019 20:30
Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"
Answers: 2
Stefan sells Jin a bicycle for $115 and a helmet for $16. The total cost for Jin is %110 of what Ste...
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