1/2 of 1/2 of 1/2 = 1/8.
There are 640 acres in a section, so 1/8 section = 80 acres.
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In surveying terms, "SW 1/2 of a section" is not a realistic specification of a piece of property.
They’re complimentary angles (add up to 90)
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<u><em>Answer: ⇒⇒⇒⇒⇒
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Step-by-step explanation:
First you had to divide by 8 from both sides of equation.

Simplify.

Then you had to add by 7 from both sides of equation.

Simplify.

Divide by 6 from both sides of equation.

Simplify it should be the correct answer.

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-Charlie
For finding, the sum of last ten terms, we write the given AP in reverse order i.e, 126, 124, 122,..., 12, 10, 8
Hence,first term (a) = 126, common difference, (d) = 124 - 126
So,
![S _{10} = \frac{10}{2} [ 2a + (10 - 1)d ] \:](https://tex.z-dn.net/?f=S%20_%7B10%7D%20%3D%20%5Cfrac%7B10%7D%7B2%7D%20%5B%202a%20%2B%20%2810%20-%201%29d%20%5D%20%5C%3A%20)
![= 5 [2(126) + 9( - 2) ]](https://tex.z-dn.net/?f=%20%3D%205%20%5B2%28126%29%20%2B%209%28%20-%202%29%20%5D%20)

What question are trying to ask?