3 years ago

X B. A с D which points are coplanar and noncollinear ?

Mathematics

1 answer:

PolarNik [594]3 years ago

8 0

Answer:

step by step

Step-by-step explanation:

I dont understand ?? try to re write it

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Answer:

25 minutes

Step-by-step explanation:

50÷10=5

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2 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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liberstina [14]

Answer:

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Step-by-step explanation:

Tn= a+(n-1)d

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Tn= 29+(59-1)8

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3 years ago

the sum of the first nine terms of an arithmetic series is 162, and the sum of the first 12 terms is 288. Determine the first fi

Natali5045456 [20]

Answer:

$\boxed{\pink{\tt \leadsto Sum \ of \ first \ five \ terms \ is \ 50 . }}$

Step-by-step explanation:

Given that , the sum of the first nine terms of an arithmetic series is 162 and the sum of the first 12 terms is 288.

$\boxed{\red{\bf \bigg\lgroup For \ answer \ refer \ to \ attachment \bigg\rgroup }}$

<h3>Related Information :- </h3>

• The sum of n terms of an AP is

$\boxed{\orange{\sf S_n = \dfrac{n}{2}[2a+(n-1)d] }}$

• nth term of an AP is given by ,

$\boxed{\blue{\sf T_n = a+(n-1)d }}$

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