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BartSMP [9]
3 years ago
5

What property is this? -9+(4+x) =(-9+4)+x

Mathematics
1 answer:
wlad13 [49]3 years ago
3 0

Answer:

Associative Property

Step-by-step explanation:

The associative property lets us change the grouping, or move grouping symbols (parentheses).

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Step-by-step explanation:

The function is: xy  +x+y

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The function y=2.5x+3 can be used to determine the cost in dollars for a taxi ride of x miles. What is the rate of change of the
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Answer:

  71°

Step-by-step explanation:

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  ∠H = 180° -109° = 71°

_____

<em>Additional comment</em>

The above rule comes from the more general rule that the measure of an inscribed angle is half the measure of the arc it intercepts. Here, inscribed angle J intercepts arc GHI, so that arc has measure 2×109°. Then the measure of short arc GI is 360° -2×109°, and inscribed angle H is half that:

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