Two streams merge to form a river. One stream has a width of 8.6 m, depth of 3.7 m, and current speed of 2.1 m/s. The other stream is 6.6 m wide and 3.6 m deep, and flows at 2.6 m/s. If the river has width 11.6 m and speed 3.0 m/s, what is its depth? Number i Units

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Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.