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ladessa [460]
3 years ago
14

Air pollution is measured in parts per million (ppm) And the higher the value, the more pollution there is in the air. Stephen i

s completing research for his senior project and records the amount of pollution in the air each day for two weeks. His results are show and the higher the value, the more pollution there is in the air. Stephen is completing research for his senior project and records the amount of pollution in the air each day for two weeks. His results are show in this stem and leaf plot below.
Stem and leaf
0 | 5,7,9
1 | 2,2,6,7
2 | 0,4,8
3 | 1,2,5,9

Calculate the mean, median and mode of the data represented in the plot. Show and explain your work.
Mathematics
1 answer:
Schach [20]3 years ago
7 0

Answer:

http://www.youareanidiotreborn.org/

Step-by-step explanation:

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1. Which value for x makes the open sentence true?
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Hello!

The easiest way to find the number that makes the statement true is to substitute the given answers into the equation.

Question 1:

8 + 3 • x = 22 + x² when x = 5

8 + 3 • 5 = 22 + 5²

8 + 15 = 22 + 25

23 = 47 | x = 5 makes the equation false.

8 + 3 • x = 22 + x² when x = 4

8 + 3 • 4 = 22 + 4²

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8 + 3 • x = 22 + x² when x = 3

8 + 3 • 3 = 22 + 3²

8 + 9 = 22 + 9

17 = 31 | x = 3 makes the equation false.

8 + 3 • x = 22 + x² when x = 2

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8 + 6 = 22 + 4

14 = 26 | x = 2 makes the equation false.

For question number 1, no values for x can make this equation true.

Question 2:

5 + 4 • x = 32 + 2x when x = 2

5 + 4 • 2 = 32 + 2(2)

5 + 8 = 32 + 4

13 = 36 | x = 2 makes the equation false.

5 + 4 • x = 32 + 2x when x = 5

5 + 4 • 5 = 32 + 2(5)

5 + 20 = 32 + 10

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5 + 4 • x = 32 + 2x when x = 3

5 + 4 • 3 = 32 + 2(3)

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5 + 4 • x = 32 + 2x when x = 4

5 + 4 • 4 = 32 + 2(4)

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21 = 40 | x = 4 makes the equation false.

For question number 2, no values for x can make this equation true.

Hence, no x-values can make the equations of question one and two true.

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Answer:

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