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Mathematics, 21.06.2019 17:00
Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.
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Mathematics, 21.06.2019 17:50
The length and width of a rectangle are consecutive even integers the area of the rectangle is 120 squares units what are the length and width of the rectangle
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Mathematics, 22.06.2019 07:30
Right triangle abc and its image, triangle a'b'c' are shown below. algebraically prove that a clockwise and counterclockwise rotation of 180o about the origin for triangle abc are equivalent rotations.
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Mathematics, 22.06.2019 08:30
Plz a chemist was tasked with removing 50ml from a 2.5l stock solution of hydrochloric acid. after completing the task, it was discovered that 2.45l of the stock solution remained. what was the chemist's percent error?
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