2 years ago

Which property of addition is used in the following (5+12)+6=5+(12+6)

Mathematics

1 answer:

Marianna [84]2 years ago

3 0

Answer:

Associative property of addition

Step-by-step explanation:

its the same order only the () move

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Given: ABC is similar to XYC. If BY = 6, YC = 10, AX = 18, then XC = 10.8 5 30 48

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Answer:

The correct option is 3. The length of XC is 30.

Step-by-step explanation:

It is given that triangle ABC and triangle XYC are similar.

According to the properties of similar triangles, then corresponding sides of similar triangles are congruent.

In triangle ABC and triangle XYC,

$\frac{AB}{XY}=\frac{BC}{YC}=\frac{AC}{XC}$

Let the length of XC be x.

From the below figure it is notices that

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$16x=180+10x$

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$x=30$

Therefore correct option is 3. The length of XC is 30.

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