Mathematics, 17.05.2020 04:57 Katy3613
Subtracting a positive number gives the same result as adding the number which is its opposite. Is the opposite positive or negative?
Answers: 2
Mathematics, 21.06.2019 14:10
Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)
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 โ0.1315 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 โreal-worldโ examples and uses of cobalt-60
Answers: 1
Mathematics, 22.06.2019 00:00
During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )
Answers: 1
Subtracting a positive number gives the same result as adding the number which is its opposite. Is t...
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