The trunk of a palm tree has cylindrical tubes that carry water. Each tube is 0.0003 meters wide. One of the tubes in a palm tree is shown to the right. Using the diagram as a model, approximately how many tubes could fit in a palm tree trunk with a diameter of 0.5 meters and a height of 20 inches?

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A: A rectangle is reflected across a vertical line:

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A: Please refer to the image below

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.