Mathematics, 09.02.2022 01:30 ansuaprajita1506
Show that if the diagonals of a quadrilateral bisect each other at right angles then it is a rhombus
Answers: 3
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 â0.1315 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 âreal-worldâ examples and uses of cobalt-60
Answers: 1
Mathematics, 21.06.2019 18:00
Galen sold tickets of his churchâs carnival for a total of $2,820. childrenâs tickets cost $3 each and adult tickets cost $5 each. the number of childrenâs tickets sold was 30 more than 3 times the number of adult tickets slod. how many childrenâs ticket and how many adult tickets did he sell?
Answers: 2
Mathematics, 22.06.2019 01:00
Libby built a fence that was 56 \text { feet}56 feet long over 44 days. she built the same length of fence each day. how many inches of fence did libby build each day?
Answers: 1
Show that if the diagonals of a quadrilateral bisect each other at right angles then it is a rhombus...
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