Mathematics, 23.06.2019 04:31 romet31
2. last year, kimberly's history and math classes had regular tests. each history test had 9 questions and each math test had 20 questions. if kimberly had to answer the same number of history questions and math questions last year, what is the smallest number of each type of question she must have answered?
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 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 17:00
You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?
Answers: 1
Mathematics, 21.06.2019 17:40
Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882
Answers: 1
2. last year, kimberly's history and math classes had regular tests. each history test had 9 questio...
Mathematics, 30.04.2021 17:40
Mathematics, 30.04.2021 17:40
World Languages, 30.04.2021 17:40
Physics, 30.04.2021 17:40
Mathematics, 30.04.2021 17:40
Mathematics, 30.04.2021 17:40
Mathematics, 30.04.2021 17:40
Chemistry, 30.04.2021 17:40
Mathematics, 30.04.2021 17:40
Mathematics, 30.04.2021 17:40
Engineering, 30.04.2021 17:40