Mathematics, 02.06.2021 22:40 quan1541
The pair of numbers (3; -1) is the solution of the system of
equations {4x - 3by - 4b = 9,3ax + 8y + a + b = 15. Calculate the
values of a and b.β
Answers: 3
Mathematics, 21.06.2019 16:30
Gail is making costumes for a school play. each rabbit costume needs one and one half yards of white fur fabric, a yard of blue striped fabric, and a quarter of a yard of pink felt for the ears. g? ail needs to make eight rabbit man yards will she need, for the white fur fabric, blue striped fabric, and pink felt?
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 β0.1315 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 βreal-worldβ examples and uses of cobalt-60
Answers: 1
Mathematics, 21.06.2019 21:20
52 cm radius = diameter = area = circumference = circumfer
Answers: 1
The pair of numbers (3; -1) is the solution of the system of
equations {4x - 3by - 4b = 9,3ax + 8y...
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