Use Pythagoras theorem
11^2 = h^2 + 3^2 where h is the height of ladder agaianst the wall
h^2 = 11^2 - 3^2
=(11+3)(11-3) = 14 * 8 = 112
h = sqrt 112 = 10.58 ft
Answer:
4.5
Step-by-step explanation:
original number subtracted by the original number divided by 10
The number of ways you can choose 5 beach towels from a selection of 8 to bring on vacation is a combination problem
<h3>Permutation and combination</h3>
Permutation has to do with arrangement while combination has to do with selection.
When choosing an object from other pool of object, we will have what is called combination.
From the given question, we are told that the number of ways you can choose 5 beach towels from a selection of 8 to bring on vacation, since they are selecting, hence the situation involves combination.
Learn more on combination here: brainly.com/question/11732255
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