Mathematics, 15.04.2021 22:00 khaylaperry
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A pet store owner has huge aquarium tanks of the same size, A and B.
Tank A has 2 feet of water and is filled at a rate of 2.2 inches per minute.
Tank B has 8 feet of water and is drained at a rate of 5 inches per minute.
A. model the situation as a system of equations.
B. Determine exactly how many minutes it will take for the tanks to have the same water level. You must show algebraic work.
C. What is the water level at that moment.
Answers: 3
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The floor plan of a room has a scale of 2.5 in.: 35 ft. in the drawing, the length of the room is 8 in. and the width of the room is 6 in. what is the perimeter of the actual room?
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The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6
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Choose the linear inequality that describes the graph. the gray area represents the shaded region. a: y ≤ –4x – 2 b: y > –4x – 2 c: y ≥ –4x – 2 d: y < 4x – 2
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A pet store owner has huge aquarium tanks of the same size,...
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