Linear Equations - Practice Word Problems
Solve.
#1 - When five is added to three more...
Mathematics, 18.10.2021 21:00 pulpfree8057
Linear Equations - Practice Word Problems
Solve.
#1 - When five is added to three more than a certain number, the result is 19. What is the number?
#2 - If five is subtracted from three times a ce3rtain number, the result is 10. What is the number?
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 18:50, BrainzOli7408
If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?
Answers: 2
Mathematics, 21.06.2019 21:00, mayavue99251
If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?
Answers: 1
Mathematics, 21.06.2019 21:50, salazarx062
Which of the following is the graph of y= square root -x-3
Answers: 1
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