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Liula [17]
3 years ago
12

In 2004 a football team scored 27, 19, 12, 20, 20, 26, 23, 29, 20, 17, 61, 30, and 31 points in their first 13 games. Find the m

ean and the standard deviation of the data. Identify the outlier, and describe how it affects the mean and the standard deviation. If necessary, round all the numbers to 1 decimal place.
Mathematics
1 answer:
miv72 [106K]3 years ago
8 0
After adding all the numbers together then dividing the sum by 13 I got 25.7 rounded to 26
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Two angles are supplementary.one anglemeasures 15 degrees more than 4 times the other. what is the measure of the larger angle i
tatiyna
X + (4x+15) = 180
5x+15=180
5x=165
x=33
4(33)+15=147. (Or you could subtract 33 from 180)
Check answer: 33+147=180 yes
6 0
2 years ago
DO,K = (9, 6) (3, 2) The scale factor is
drek231 [11]

Using proportions, it is found that the scale factor of the transformation is of 1/3.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

In this problem, during the transformation, each coordinate was divided by 3, hence, applying the proportion, the scale factor of the transformation is of 1/3.

More can be learned about proportions at brainly.com/question/24372153

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8 0
2 years ago
Find the inverse function of the function f(x) = 5x – 2.
kirill115 [55]
Photo has an answer for you

3 0
2 years ago
PLEASE HELP ASAP!!!!!! Quadrilateral PQRS, with vertex P(-5, -3), undergoes a transformation to form quadrilateral P′Q′R′S′, wit
Nana76 [90]

Answer:

The vertex Q' is at (4,5)

Step-by-step explanation:

Given:

Quadrilateral PQRS undergoes a transformation to form a quadrilateral P'Q'R'S' such that the vertex point P(-5,-3) is transformed to P'(5,3).

Vertex point Q(-4,-5)

To find vertex Q'.

Solution:

Form the given transformation occuring the statement in standard form can be given as:

(x,y)\rightarrow (-x,-y)

The above transformation signifies the point reflection in the origin.

For the point P, the statement is:

P(-5,-3)\rightarrow P'(5,3)

So, for point Q, the transformation would be:

Q(-4,-5)\rightarrow Q'(-(-4),-(-5))

Since two negatives multiply to give a positive, so, we have:

Q(-4,-5)\rightarrow Q'(4,5)

5 0
3 years ago
This is extra credit . solve for X
yaroslaw [1]

Answer:

x = - 15

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 given angles and equate to 180, that is

35 - 5 - 8x - 2x = 180 ( simplify left side )

30 - 10x = 180 ( subtract 30 from both sides )

- 10x = 150 ( divide both sides by - 10 )

x = - 15

3 0
3 years ago
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