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3 years ago

10

Please help!!! The last one. Word answer

1 answer:

liberstina [14]3 years ago

4 0

Often, variability is most usefully expressed in the same units as the original data. That's what <em>standard deviation</em> (square root of variance) does. In situations where that is the case, the variance is useful only for getting to the value of standard deviation.

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Bumek [7]

Answer:B.x = 2

because 1 < x < 13 => x ≠ {0;14}

Step-by-step explanation:

7 0

3 years ago

1. Selecting a red card from a deck of cards. A deck of cards has 13 red hearts, 13 red diamonds, 13 black spades, and 13 black

DedPeter [7]

Answer:

1. 50%

2. 25%

or

1. 26/52 (simplify= 13/26)

2. 13/52

Step-by-step explanation:

7 0

3 years ago

Use the method of completing the square to transform the quadratic equation into the equation form (x – p)2 = q. x2 - 12x - 9 =

marissa [1.9K]

Hence, the correct answer is: C) (x - 6)^2 = 45

Further explanation:

Given equation is:

$x^2-12x-9=0$

We will move the constant term on other side of the equation

$x^2-12x=9$

To complete the square, we will take the coefficient of x and divide it by 2, as we already know that one term is x.

$\frac{12}{2}=6$

So, adding (6)^2 on both sides

$(x)^2-2.x.6+(6)^2=9+(6)^2\\(x-6)^2=9+36\\(x-6)^2=45$

Hence, the correct answer is: C) (x - 6)^2 = 45

Keywords: Quadratic Equation, Solution of equation

Learn more about quadratic equation at:

#LearnwithBrainly

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3 years ago

Functions f(x) and g(x) are defined below.

Lemur [1.5K]

I'll send u a pic of my answer (I solved it on my cookbook) if u make this brainliest (u get 3 points for free if u do

8 0

3 years ago

Zola is cutting a rope that is 3 yards long into pieces that are 4 inches long.

Inessa [10]

Answer:

432. Zola will have 432 4-inch pieces of rope.

4 0

1 year ago