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Mamont248 [21]
3 years ago
10

The data set shows the ages of the members of a book club. What is the shape of the distribution of this data set?

Mathematics
1 answer:
Dmitrij [34]3 years ago
6 0
Define the data in 6 bins (histogram) as shown below.

 x   Count
----  ---------
16       2
17       2
18       2
19       2
20      2
21       2

Graph the data set to show the histogram shown below.
It is clear that the data s uniformly distributed.

Answer: uniform

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HELPPP PLSSSS THE PYTHAGOREAN THEOREM
maxonik [38]

Answer:

Step-by-step explanation:

a²+b² = c² c is always the longest line thats opposite to the 90 degree angle

for 1

15² + b² = 17²

b² = 17² - 15²

b = √(17² - 15²)

b= 8

8 0
2 years ago
Polygon ABCD is rotated 90 degrees counterclockwise about the origin to create polygon
Aleonysh [2.5K]

answer with an example is attached below

4 0
2 years ago
Roberto rowed 20 miles downstream in 2.5 hours. The trip back, however, took him 5 hours. Find the rate that Roberto rows in sti
almond37 [142]

Answer:

<em>Roberto's speed in still water is 6 miles/hour and the river speed is 2 miles/hour</em>

Step-by-step explanation:

<u>Relative Speed</u>

When a body is moving at a constant speed v, the distance traveled in a time t is:

d=v.t

When Roberto rows downstream, his speed in still water is added to the speed of the water, making it easier to travel the required distance.

When Roberto rows upstream, his speed in still water is affected by the speed of the water, both are subtracted and the required distance is covered in more time.

Let's call

x = Roberto's rowing speed in still water

y = Speed of the river current

The speed when rowing downstream is x+y, thus the distance traveled is

d=(x+y).t_1

Where t1=2.5 hours. Substituting values:

20=(x+y)*2.5

Rearranging, we find the downstream equation:

2.5x+2.5y=20\qquad[1]

The speed when rowing upstream is x-y, and the distance traveled is

d=(x-y).t_2

Where t2=5 hours. Substituting values:

20=(x-y)*5

Rearranging, we find the upstream equation:

5x-5y=20\qquad[2]

Multiplying [1] by 2:

5x+5y=40

Adding this equation to [2]:

10x=60

Solving:

x=60/10=6

Dividing [2] by 5:

x-y=4

Solving for y

y=x-4=6-4=2

Thus, Roberto's speed in still water is 6 miles/hour and the river speed is 2 miles/hour

3 0
3 years ago
2+2=? Because I’m trying to explain it to a 2 year old.
spayn [35]

Answer:

4

Step-by-step explanation:

1 + 1 + 1 + 1 = 2 + 2 = 4

6 0
3 years ago
Writing inequalities <br>eight less than or equal to seventeen ​
djyliett [7]

Answer:

8>17

Step-by-step explanation:

It would be less than because 8 is smaller than 17 and 17 is bigger than 8.

3 0
3 years ago
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