Mathematics, 13.11.2019 23:31 monk68

What do the numeral and the variable represent in each expression?

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Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?

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The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

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Mathematics, 22.06.2019 02:50, QueenNerdy889

Atourist boat is used for sightseeing in a nearby river. the boat travels 2.4 miles downstream and in the same amount of time, it travels 1.8 miles upstream. if the boat travels at an average speed of 21 miles per hour in the still water, find the current of the river.

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Mathematics, 22.06.2019 03:00, jess6142

Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. which equation can be used to find c, the speed of the current? 2(9 – c) = 4(9 + c) 9 + c = 4(9 – c) 9 – c = 2(9 + c) 4(9 – c) = 2(9 + c)