As long as you need it to be. A paragraph is just a series of sentences about one topic, so as long as you have given enough information about that topic, then you have used the correct number of sentences.
There is no magic formula that states "X words = 1 paragraph" or "X sentences = 1 paragraph."
a letter essay should be at least 6-7 paragraphs but it depends on the book and your connections.introductionshort paragraph of summary3-4 paragraphs on your connection, thoughts , and feelingsconclusion
There should be three paragraphs to a letter.
about 4 paragraphs
you should atleast write 4 or 5 paragraphs
My teacher always told me "You should have at least four paragraphs!", so should you!
The length of a cover letter should be around 2;3 paragraphs.
5 paragraphs
There should be 5 paragraphs, one for an introduction, one for each heading, and one for the conclusion. Of course, if the introduction and conclusion are included in the outline, there should be three paragraphs.
A very simple essay might be three paragraphs long, but most essays are longer. You do need at least three paragraphs, though - an introduction, the body of the essay, and a conclusion.
18 paragraphs.
An average research paper should be way more than 3 paragraphs long. To make it more specific I say an average research paper should be 5 paragraphs or more. You want your paper to have an introduction with a thesis statement, 3 body paragraphs, and a closing statement that has something to do with your thesis statement.
5-6 sentences, but that depends on how many paragraphs you're writing.