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BigorU [14]
3 years ago
8

PLEASE HELP!!!

Mathematics
1 answer:
Svet_ta [14]3 years ago
5 0

The first one is the best answer.  Eight terms, common difference 4, first term 3, check.

Plenty of people (including me) write the second one as equivalent, but without the parentheses it's not clear if that final 1 is being summed or outside the summation so it's best fully parenthesized.


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gladu [14]

The greatest whole possible whole number length of the unknown side is 9 inches.

<h3>How to identify if a triangle is acute?</h3>

Let us have:

H = biggest side of the triangle

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Then we get:

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Two sides of an acute triangle measure as 5 inches and 8 inches

The length of the longest side is unknown.

We have to find the length of the unknown side

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Substituting we get,

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Hence, The greatest whole possible whole number length of the unknown side is 9 inches.

Learn more about angles;

brainly.com/question/14489478

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