If 5 is a root of the quadratic equation x²+4x-45=0 find the other root of the equation
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Mathematics, 29.08.2021 20:20, smcculleymcculley
If 5 is a root of the quadratic equation x²+4x-45=0 find the other root of the equation
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 17:30, kingfptduong
How many bananas are in a fruit bowl that has 200 total apples and bananas if there are 31 bananas for every 93 apples
Answers: 1
Mathematics, 22.06.2019 00:30, braydenmcd02
Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great
Answers: 1
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