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Two tanks each hold 3 liters of salt water and are connected by two pipes (see figure below) the salt water in each tank is kept well stirred. Pure water flows into tank A at a rate of 5 liters per minute and the salt mixture exits tank B at the same rate.Salt water flows from tank A to tank B at the rate of 9 liters per minute and flows from tank B to tank A at the rate of 4 liters per minute. If tank A initially contains 1 Kg of salt and tank B contains no salt, find the quantities of salt in tank A and tank B respectively, at any time t ≥ 0.
Attachment:- math prob 10 a.zip
A thermometer reading 79 degrees F is brought into a cold storage room with a constant temperature of 38 degrees F. if the thermometer reads 70 degrees in 6minutes, how long will it take to read 58 degrees F.
For an integer n, define the graph Tn as follows: Vertices are 2-element subsets of {1,2,...,n}. Two vertices are adjacent if they have one element in common.
Make the solutions that can be read from the simplex tableau
Find the domain of the following functions. Find the slope of the line having x intercept: 3 and passing through the point (4, -9).
Factor the given algebraic expression.
Every finitely generated sub module is free.
Solve each system by the Addition Method. Determine whether the equations are independent, dependent or inconsistent.
Find the vertex and intercepts of function f(x)=x2+x-2. Graph the linear equation y=2/3(x)-2. Find the x and y intercepts of 4x+3y=-12.
For the first part, I can see that we need to show that f(g(x)) = g(f(x)) for x in G and use f(x)=x as the identity in the group, but I' not certain how to proceed to show all innG form a normal subgroup?
A disc jockey must play 14 commercial spots during 1 hour of a radio show. Each commercial is either 30 seconds or 60 seconds long. If the total commercial time during 1 hour is 11 minutes, how many 30 second commercials were played that hour? How..
For the following polynomial: 4t + t3 + 7t6 (the 3 is above & to the right of t, and the 6 is above & to right of t)A) The degree of the first term is?The degree of the second term is?The degree of the third term is?
Find the LCM.
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