![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 16.07.2020 23:01, hadilalhjajih
A tank contains 4,000 L of brine with 18 kg of dissolved salt. Pure water enters the tank at a rate of 40 L/min. The solution is kept thoroughly mixed and drains from the tank at the same rate.
a. How much salt is in the tank after t minutes?
b. How much salt is in the tank after 30 minutes? (Round your answer to one decimal place.
![answer](/tpl/images/cats/otvet.png)
Answers: 3
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:30, sandyyknguyen4837
Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary
Answers: 3
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:00, nelyanariba981p555ve
Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:10, maylasia
Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem
Answers: 3
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:00, rosier2230
Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x
Answers: 2
Do you know the correct answer?
A tank contains 4,000 L of brine with 18 kg of dissolved salt. Pure water enters the tank at a rate...
Questions in other subjects:
![Konu](/tpl/images/cats/es.png)
Spanish, 04.12.2020 08:00
![Konu](/tpl/images/cats/mat.png)
Mathematics, 04.12.2020 08:00
![Konu](/tpl/images/cats/obshestvoznanie.png)
![Konu](/tpl/images/cats/geografiya.png)
Geography, 04.12.2020 08:00
![Konu](/tpl/images/cats/mat.png)
Mathematics, 04.12.2020 08:00
![Konu](/tpl/images/cats/mat.png)
Mathematics, 04.12.2020 08:00
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 04.12.2020 08:00
![Konu](/tpl/images/cats/mat.png)
Mathematics, 04.12.2020 08:00
![Konu](/tpl/images/cats/mat.png)