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Bezzdna [24]
3 years ago
12

A plumber has a 36-in pipe he must cut it into two pieces so that one piece is 14 inches longer than the other how long is each

piece ?
Mathematics
1 answer:
ioda3 years ago
3 0
The longest piece is 25 inches and the shortest piece is 11 inches.

(36/2) - (14/2) = shortest piece
18 - 7 = 11 (shortest piece)

36 - 11 = 25 (longest piece)

25 - 11 = 14 inches difference between the pieces
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Step-by-step explanation:

These two answer choices are irrational because they cannot be shown or expressed as a fraction.

6 0
2 years ago
Given k(x) =x^3-2x, find k (3)
nadezda [96]

Answer:  21

Step-by-step explanation:

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8 0
3 years ago
Which expression is the factored form of x2 – 7x 10? (x 3)(x 4) (x – 3)(x – 4) (x – 2)(x – 5) (x 2)(x 5)
alexandr402 [8]

The expression x^2 -7x + 10 can be written in factored form as given by Option C: (x-2)(x-5)

<h3>How to find the factors of a quadratic expression?</h3>

If the given quadratic expression is of the form ax^2 + bx + c

then its factored form is obtained by two numbers alpha( α ) and beta( β) such that:

b = \alpha + \beta \\ ac =\alpha \times \beta

Then writing b in terms of alpha and beta would help us getting common factors out.

Sometimes, it is not possible to find factors easily, so using the quadratic equation formula can help out without any trial and error.

For this case, we're provided the expression:

x^2 -7x + 10

We can write 10 as multiple of -5 and -2 and

we can write -7 as sum of -5 and -2. Thus, we get:

x^2 -7x + 10 = x^2 -5x - 2x + 10 = x(x-5+ -2(x-5) = (x-2)(x-5)

Thus, the expression x^2 -7x + 10 can be written in factored form as given by Option C: (x-2)(x-5)

Learn more about factorization of quadratic expression here:

brainly.com/question/26675692

4 0
2 years ago
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