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Art [367]
3 years ago
10

Bo paid with 1/4 of his paycheck and put 2/5 of the remainder in savings. The rest of his paycheck he divided equally among the

college accounts of his 3 children. A. What fraction of his paycheck went into each childs account? B. If bo deposited $400 in each child’s account, how much money was in Bo’s original paycheck?
Mathematics
1 answer:
yKpoI14uk [10]3 years ago
7 0

this should be at leat twenty charcters

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Answer:

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Step-by-step explanation:

When completing the square, we essentially want to create a perfect square trinomial by adding a constant.

If we have the following expression:

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Thus, the added term should be:

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In the given equation, we have:

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The b term here is 8. Therefore:

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The value we would add would be 16.

The answer is C.

Further notes:

To complete the square, add 16 like mentioned earlier. However, we also need to subtract 16 to balance things out:

(x^2-8x)-10\\=(x^2-8x+16)-10-16\\

The expression inside the parentheses is now a perfect square trinomial. Factor it:

=((x)^2-2(4)(x)+(4)^2)-26\\=(x-4)^2-26

And we are done!

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Step-by-step explanation:

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