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A chemist needs to mix a 75% saltwater solution with a 50% saltwater solution to obtain 10 gallons of a 60% saltwater solution. a. Write a system of equations to find how many gallons of each solution must be used. b. Graph both equations on the TI calculator and find the intersection point. Report the equations you put in for Y1 and Y2 and your Window settings. c. Solve the system using the substitution method. Does this answer match the answer you got on your graphing calculator? d. Solve the system using the addition method. Compare your answer to parts b and c. e. Which method do you prefer for this problem?
project path a-c-e-j has these activity time estimates in
Find a parametric equation of the curve of intersection of the paraboloid and find an equation of the orthogonal projection of this curve to the xy-plane.
How many bit strings of length 6 are there? Explain fully.
The monthly charge for a waste collection service is 30 dollars for 90 kg of waste and is 49 dollars for 190 kg of waste.
Find the solution to the given system that satisfies the initial condition
calculate the outward flux of F across the boundary dOmega
The firm forecasts that it could sell a maximum of 4,000 A-100's this week and a maximum of 1,000 B-200's. Profits for the A-100 are $1.00 each, and profits for the B-200 are $4.00 each. What are optimal weekly profits?
Consider replacing the switch in (a) with a 3×3 output-buffered switch as shown in Figure 2, where each output buffer can store up to 4 packets. Design a Markov chain to find the throughput and packet loss rate of this switch for offered load r0= ..
The cost of renting tuxes for the Choral Society's formal is $20 down, plus $88 per tux.
Pete walks at the rate 5 ft/sec toward a street light whose lamp is 20 ft above the base of the light. If Pete is 6 ft tall, determine the rate of change of the length of Pete's shadow at the moment he is 24 ft from the base of the lamppost.
Please explain how to solve the following: Use the disk method to verify that the volume of a right circular cone is 1/3pir^2h.
suppose the flow of current (milliamps) in wire strips of a certain type under specified conditions can be modeled with a normal distribution having mean=20 and standard deviation=1 what is the proportion of strips will have the current flow of be..
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