3 years ago

Name the algebraic property demonstrated in the example below: x ⋅ y ⋅ z = y ⋅ x ⋅ z

1 answer:

6 0

The algebraic property is called here commutativity :

<span>x ⋅ y ⋅ z = y ⋅ x ⋅ z | ÷z (We divide by z)
</span>

→ x ⋅ y = y ⋅ x → <span>That means you can switch ( = commute) factors anyway, the product will remain the same.</span>

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A tree and a building stand side by side. The 5-foot tall tree cast a shadow of 12 feet. If the building is 80 feet tall, how lo

SpyIntel [72]

Answer:

The shadow of the building = 192 ft.

Step-by-step explanation:

∵ There is a proportional relation between the heights of the tree and the building and their shadows

∴ Height tree/height building = shadow tree/shadow building

$\frac{5}{80}=\frac{12}{x}$