![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 30.06.2019 11:40, Roof55
Which equation is an identity? 3(x β 1) = x + 2(x + 1) + 1 x β 4(x + 1) = β3(x + 1) + 1 2x + 3 = 1/2 (4x + 2) + 2 1/3 (6x β 3) = 3(x + 1) β x β 2
![answer](/tpl/images/cats/otvet.png)
Answers: 2
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 12:30, mujithkalhan2762
Last saturday, the museum box office sold 281 tickets for a total of $3,954. adults ticket cost $15, and students ticket cost $12. how many of each kind of tickets were sold?
Answers: 1
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
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 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
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00, allycoops666666
Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?
Answers: 1
Do you know the correct answer?
Which equation is an identity? 3(x β 1) = x + 2(x + 1) + 1 x β 4(x + 1) = β3(x + 1) + 1 2x + 3 =...
Questions in other subjects:
![Konu](/tpl/images/cats/health.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 08.01.2021 05:40
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 08.01.2021 05:40
![Konu](/tpl/images/cats/mat.png)
Mathematics, 08.01.2021 05:40
![Konu](/tpl/images/cats/fizika.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 08.01.2021 05:40
![Konu](/tpl/images/cats/en.png)
English, 08.01.2021 05:40
![Konu](/tpl/images/cats/mat.png)
Mathematics, 08.01.2021 05:40
![Konu](/tpl/images/cats/mat.png)
Mathematics, 08.01.2021 05:40