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3 years ago

What conclusions can you draw by comparing the mean and MAD repairs per vehicle for each type of Vehicle

1 answer:

5 0

The mean would tell you the average number of repairs per vehicle type. It is the total amount of repairs divided by the total number of vehicles.

The mean absolute deviation (MAD) describes how close the values are typically to the mean. It is an average of the distances the individual points are from the mean. Basically, it tells how spread out the data is.

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Nine less than twice a number is 49.<br> What is the number?

ratelena [41]

Answer:

Step-by-step explanation:

Assume the number as x

2x - 9 = 49

2x = 58

x = 29

7 0

3 years ago

Find the vertices of the hyperbola. Enter the smallest coordinate first.

melisa1 [442]

Answer:

([-3], [0]), ([3], [0])

Step-by-step explanation:

The given equation of the hyperbola is presented as follows;

$\dfrac{x^2}{9} - \dfrac{y^2}{49} = 1$

The vertices of an hyperbola (of the form) $\dfrac{x^2}{a^2} - \dfrac{y^2}{b^2} = 1$ are (± a, 0)

The given hyperbola can we presented in a similar form as follows;

$\dfrac{x^2}{9} - \dfrac{y^2}{49} = \dfrac{x^2}{3^2} - \dfrac{y^2}{7^2} = 1$

Therefore, by comparison, the vertices of the parabola are (± 3, 0), which gives;

The vertices of the parabola are ([-3], [0]), ([3], [0]).

4 0

3 years ago

A stem-and-leaf plot is most useful for which reasons below? Select all that apply.

liq [111]

Answer:

A,C,D

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Which results only in a horizontal compression of Y = by a factor of 6?

elena55 [62]

Answer:

Y = 6*y

Step-by-step explanation:

We have Y = b * y by a factor of 6.

That is, b = 6.

now, to find what results only in a horizontal compression of y = b * y by a factor of 6.

By transformation rule, the function would be a horizontal compression f (a * x) if a> 1.

Therefore, knowing the above, the answer would be:

Y = 6 * y

3 0

3 years ago

Find the greatest common factor of the terms in the following expression 18x+12xy

Anarel [89]

<h3>Answer: 6x</h3>

=============================================

Explanation:

Ignoring the variables for now, the GCF of 18 and 12 is 6. This is the largest factor found in both values

18 = 6*3
12 = 6*2

Now let's consider the variables. Both terms have an 'x' in them, but not a y. This means x will be tacked on the 6 we found earlier to get the overall GCF to be 6x.

Note how

18x + 12xy = 6x*3+6x*2y = 6x(3+2y)

Showing we can factor out the GCF using the distributive property.

8 0

3 years ago