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elena-s [515]
3 years ago
5

2) 7+ (1 + 9) = (7 + 1) +9 Property:

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
6 0

Answer:

Associative Property

Step-by-step explanation:

In your equation, you're adding three digits together.

When you're adding or multiplying, the order in which you it doesn't matter:

ex.  1 + 3 + 5  =  3 + 5 + 1   <- This is the commutative property (not associative)

Adding parentheses indicated the order in which you do an operation, but when adding, order doesn't matter, so you're able to move around the parentheses. When you move around the parentheses, that's an example of the associative property.

It's important to not confuse the associative property with the commutative property.

The associative property is moving around parentheses

While the commutative property is moving around the numbers.

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The perimeter is 22.

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The perimeter formula (it sometimes varies) is 2(b+h)

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h being height (in this example, 5)

So now, with substitution, we are left with:

2(6+5)

Which simplifies down to:

2(11)

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andre [41]

Answer:

\frac{4^{21}}{5^6}

Step-by-step explanation:

\left(\frac{4^7}{5^2}\right)^3

=\frac{\left(4^7\right)^3}{\left(5^2\right)^3}

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6 0
3 years ago
At a clothing store, jackets are on sale for 30% off. Sales tax is 5%. Which expression will calculate the total cost of a jacke
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Step-by-step explanation:

If the jacket has a cost of x, but has 30\% off and we have to add the 5\% in tax, we can write all in the following expression:

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Where:

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This can be also rewritten as:

x(0.75)

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3 0
4 years ago
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