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MAXImum [283]
3 years ago
15

Find the mean, median, and inter

Mathematics
2 answers:
Eva8 [605]3 years ago
7 0

Answer:

Step-by-step explanation:

The mean is 15.9

The median is 16

The interquartile range is 14.5

bagirrra123 [75]3 years ago
3 0

Answer:

Mean=15.9

Median=16

Interquartile=14.5

Step-by-step explanation:

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select the graph for the solution of the open sentence click until correct graph appears [×]>1​
stira [4]

Is there supposed to be a picture or a multi choice answer because there is none.Sorry

6 0
3 years ago
5. Show that the following points are collinear. a) (1, 2), (4, 5), (8,9) ​
Irina-Kira [14]

Label the points A,B,C

  • A = (1,2)
  • B = (4,5)
  • C = (8,9)

Let's find the distance from A to B, aka find the length of segment AB.

We use the distance formula.

A = (x_1,y_1) = (1,2) \text{ and } B = (x_2, y_2) = (4,5)\\\\d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(1-4)^2 + (2-5)^2}\\\\d = \sqrt{(-3)^2 + (-3)^2}\\\\d = \sqrt{9 + 9}\\\\d = \sqrt{18}\\\\d = \sqrt{9*2}\\\\d = \sqrt{9}*\sqrt{2}\\\\d = 3\sqrt{2}\\\\

Segment AB is exactly 3\sqrt{2} units long.

Now let's find the distance from B to C

B = (x_1,y_1) = (4,5) \text{ and } C = (x_2, y_2) = (8,9)\\\\d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(4-8)^2 + (5-9)^2}\\\\d = \sqrt{(-4)^2 + (-4)^2}\\\\d = \sqrt{16 + 16}\\\\d = \sqrt{32}\\\\d = \sqrt{16*2}\\\\d = \sqrt{16}*\sqrt{2}\\\\d = 4\sqrt{2}\\\\

Segment BC is exactly 4\sqrt{2} units long.

Adding these segments gives

AB+BC = 3\sqrt{2}+4\sqrt{2} = 7\sqrt{2}

----------------------

Now if A,B,C are collinear then AB+BC should get the length of AC.

AB+BC = AC

Let's calculate the distance from A to C

A = (x_1,y_1) = (1,2) \text{ and } C = (x_2, y_2) = (8,9)\\\\d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(1-8)^2 + (2-9)^2}\\\\d = \sqrt{(-7)^2 + (-7)^2}\\\\d = \sqrt{49 + 49}\\\\d = \sqrt{98}\\\\d = \sqrt{49*2}\\\\d = \sqrt{49}*\sqrt{2}\\\\d = 7\sqrt{2}\\\\

AC is exactly 7\sqrt{2} units long.

Therefore, we've shown that AB+BC = AC is a true equation.

This proves that A,B,C are collinear.

For more information, check out the segment addition postulate.

7 0
2 years ago
20/50 divide by 85/50
Rufina [12.5K]

Answer:

Decimal form:0.23529411764

Fraction form:

Step-by-step explanation:As a decimal fraction:

23529411764/100000000000

The Greatest Common Factor

of 23529411764 and 100000000000 is:4

Simplify the fraction:

23529411764 / 4

100000000000 / 4

Simplified:

5882352941/25000000000

3 0
3 years ago
Which graph below shows the rule:output 4 times input
Kipish [7]

Answer:bh5j67k

Step-by-step explanation:

5 0
2 years ago
There are 3 seats in each row in a school auditorium. There are 15 rows in the auditorium. Each new seat costs $74. What is the
Akimi4 [234]

3 seats x 15 rows = 45 total seats

45 seats x $74 = $3,330.00 total cost
6 0
3 years ago
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