1 year ago

a woodworker wants to cut a board that is 5.775 feet long into 7 equal-length pieces. how long will each of the cut boards be?

Mathematics

1 answer:

Marta_Voda [28]1 year ago

8 0

Just do 5.775/7 in your calculator

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If depreciation is 7.25% per year, then the common factor is (1-0.0725), or 0.9275.

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Simplify completely: 8x+4/x^3+23÷4x^2-10x-6/9-x^2

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The simplified form is: $-x^2-2x+\frac{4}{x^3}+\frac{23}{4x^2}-\frac{2}{3}$

Step-by-step explanation:

To simplify the expression given we, need to open the brackets, and if there is power term. Then we need to group all the like terms and then arrange in the descending order of powers of the given expression.

Now the expression that is given to us is:

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Here we will simplify it by grouping the like terms, as follows:

$8x+\frac{4}{x^3}+\frac{23}{4x^2}-10x-\frac{6}{9}-x^2\\=-x^2+8x-10x+\frac{4}{x^3}+\frac{23}{4x^2}-\frac{6}{9}=-x^2-2x+\frac{4}{x^3}+\frac{23}{4x^2}-\frac{2}{3}$

So this is the required simplified form.

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To find where the second derivative of the function changes sign, from negative to positive, or vice-versa. So, we find the second derivative of the given function.

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