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4vir4ik [10]
3 years ago
8

What is UW? For brainliest

Mathematics
1 answer:
valkas [14]3 years ago
7 0

Answer:

UW = 5

Step-by-step explanation:

use the altitude rule and set up a proportion:

4/UW = UW/6.25

cross-multiply:

UW² = 25

UW = \sqrt{25}

UW = 5

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Explain how to factor when the leading coefficient is 1.
Bas_tet [7]

Answer:  C) Find the factors of c that add up to b.

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Explanation:

If we want to factor something in the form x^2+bx+c, then we look for two numbers that

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Let's look at a specific example

Consider factoring x^2+5x+6

We need to find two numbers that...

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Through trial and error, you should find the two numbers to be 3 and 2. This means it factors to (x+3)(x+2). The order of the factors doesn't matter.

You can use the FOIL rule or the box method to expand out (x+3)(x+2). You should get x^2+5x+6 again.

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2 years ago
On a piece of paper, graph f(x) 2x>3
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Step-by-step explanation:

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3 years ago
Write an equation for a parabola with a focus of (1,-2) and a directrix of y=6
FinnZ [79.3K]

Answer:

y = - \frac{1}{16}(x - 1)² + 2

Step-by-step explanation:

Any point (x, y) on the parabola is equidistant from the focus and the directrix.

Using the distance formula

\sqrt{(x-1)^2+(y+2)^2^} = | y - 6 |

Square both sides

(x - 1)² + (y + 2)² = (y - 6)² ( expand the factors in y )

(x - 1)² + y² + 4y + 4 = y² - 12y + 36 ( subtract y² - 12y from both sides )

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16y = - (x - 1)² + 32 ( divide all terms by 16 )

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3 years ago
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Answer:

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Given: According to online music store, if you spend $30 or more, you receive 3 songs for free

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Let x denotes amount to be spend in addition to $12 to receive three free songs

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What operation would you use to write a fraction in simplest form
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