What is the arithmetic mean of the following numbers?
2 answers:
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Answer:
(?) = (x-5)
Step-by-step explanation:
Use difference of squares:
Answer:
No
Step-by-step explanation:
Let's use the Pythagorean Theorem. For those of you that don't know, it is .
11 is the bigger side in this case, so our formula would go like this: .
We now calculate to see if this is true.
25 + 36 121
Therefore, the answer is wrong.
