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Studentka2010 [4]
3 years ago
7

Someone please help me!​

Mathematics
1 answer:
ziro4ka [17]3 years ago
7 0

Answer:

12. DE

13. DE

14. BE

15. DE

16. BC

Step-by-step explanation:

A midsegment is a line drawn across a triangle from one side to another that is parallel to the third side. It is also half the length of the parallel side. Here it is called DE.

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The dots in the patterns are illustrations of a sequence or progression

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<h3>The number of dots in step 10</h3>

From the pattern, we have:

  • Step 0 = 3 dots
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So, we have the following pattern

T_n = (n -1)^2+ 3

When n = 10, we have:

T_{10} = (10 -1)^2+ 3

T10 = 84

This means that, there will be 84 dots in step 10 and there will be (n -1)^2+ 3 dots in step n

Read more about sequence at:

brainly.com/question/7882626

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Step-by-step explanation:

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