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Hunter-Best [27]
3 years ago
11

Data Set: 13, 1, 18, 20, 18 • Mean = Median = • Mode = • Range - • Outlier -

Mathematics
2 answers:
KengaRu [80]3 years ago
8 0

Answer:

mean=14

median=3

mode=20

range=19

brilliants [131]3 years ago
5 0

Answer:

mean=14

median=18

range=19

outlier=1

mode: 18

Step-by-step explanation:

1) to find the mean, add up all the numbers and divide by number of numbers:

13+1+18+20+18=70

70/5=14

mean=14

median: to find median arrange all numbers from least to greatest and cross of each one, alternating between sides until you get to one last number:

(an underline means crossed out)

<u>1,13,</u>18,<u>18,20</u>

median=18

mode is the most recurring number, in this data set the mode is 18

range(largest number-smallest number)

range:(20-1)

range: 19

outlier: (number tat doesnt belong)

outlier: 1

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what is the general form of the equation of a circle with its Center at -2 1 and passing through -4 one
nydimaria [60]

Answer:

x² + y² + 4x - 2y + 1 = 0

Step-by-step explanation:

The equation of a circle is given by the general equation;

(x-a)² + (y-b)² = r² ; where (a,b) is the center of the circle and r is the radius.

In this case; the center is (-2,1)

We can get radius using the formula for magnitude; √((x2-x1)² + (y2-y1)²)

Radius = √((-4- (-2))² + (1-1)²)

             = 2

Therefore;

The equation of the circle will be;

(x+2)² + (y-1)² = 2²

(x+2)² + (y-1)² = 4

Expanding the equation;

x² + 4x + 4 + y² -2y + 1 = 4 subtracting 4 from both sides;

x² + 4x + y² - 2y + 4 + 1 -4 = 0

= x² + y² + 4x - 2y + 1 = 0

4 0
3 years ago
Read 2 more answers
The number of apples in a box decreased from 150 to 135. What is the percent decrease of the number of apples in the box?
goblinko [34]

Answer:

10% decrease

Step-by-step explanation:

The formula for percent change is:

\frac{\textrm{New}-\textrm{Old}}{\textrm{Old}} \times 100

Therefore, for this example:

\frac{\textrm{New}-\textrm{Old}}{\textrm{Old}} \times 100=\frac{135-150}{150} \times 100=-10\%

The negative value indicates that the change was a decrease. Therefore, there was a 10% decrease.

5 0
3 years ago
It was 4:00 P.M. when John started mowing the lawn and it took him 50 minutes to finish. What time did John finish mowing the la
Oksi-84 [34.3K]

Answer:

4:50 P.M.

Step-by-step explanation:

Sorry I don't know how to properly explain it but I just added 50 minutes to 4 o' clock to get the answer.

Hope this helps!

Maybe brainliest?

7 0
2 years ago
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The value of which of these expressions is closest to e?
mars1129 [50]

Answer:

B.

Step-by-step explanation:

Given: expressions

To find: the expression whose value is closest to e

Solution:

Value of e is 2.718

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Therefore, value 2.659 is closest to the value of e.

So, option B. is correct.

7 0
3 years ago
Line m and p are perpendicular. if the slope of line m is -3, what is the slope of line p
telo118 [61]

Perpendicular slopes multiply to -1, so are <em>negative reciprocals.</em>

-1 / -3 = 1/3

Answer: B.  1/3

6 0
4 years ago
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