Mathematics, 10.03.2020 03:08 ayoismeisjjjjuan
The length of a rectangle is 5 more than twice its width. If the perimeter is 58 cm, find the dimensions.
Select one:
O a. W = 21 cm and I = 8 cm
O b. W = 12 cm and I = 29 cm
O C. W = 8 cm and I = 21 cm
O d. None of these
Answers: 3
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 21:00, blaqsafire404
Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?
Answers: 1
The length of a rectangle is 5 more than twice its width. If the perimeter is 58 cm, find the dimens...
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