Question

Is a paragraph 5 sentences?

Answer 1

No, it is not a paragraph.

Explanation:

A paragraph is from 6-8 sentences that contain a claim, 1st piece of evidence, 1 piece of analysis, 2nd piece of evidence, and another analysis with a concluding sentence. Analysis should be 1-2 sentences and should first explain evidence and then connect it back to the claim.

Answer 2

Absolutely can be

Explanation:

A paragraph is a collection of one or more sentences, so technically one sentence or more sentences written together can compose a paragraph.

A paragraph is defined by the unity of information in it, rather than the number of sentences in it.

https://writingcenter.unc.edu/tips-and-tools/paragraphs/
http://blog.writeathome.com/index.php/2011/10/myth-buster-how-many-sentences-must-a-paragraph-have/