Mathematics, 03.09.2021 23:30 brinatperez06

1. Protecting wood How can we help wood surfaces resist weathering, especially when restoring historic wooden buildings? In a study of this question, researchers prepared wooden panels and then exposed them to the
weather. Here are some of the variables recorded:

type of wood (yellow poplar, pine, cedar)

type of water repellent (solvent-based, water-based)

paint thickness (millimeters)

paint color (white, gray, light blue)
weathering time (months)

Identify each variable as categorical or quantitative.

1. Protecting wood How can we help wood surfaces resist weathering, especially when restoring histo

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Mathematics, 17.09.2020 02:01

Simplify a - {b - [c - (d - e) - f] - g}....