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ladessa [460]
2 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]2 years ago
7 0

Answer:

http://www.youareanidiotreborn.org/

Step-by-step explanation:

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explain how to use mental if it took marty 42 minutes to write a book and 18 mins correcting his report.
nika2105 [10]
I think the correct answer would be, I did 42 minutes + 18 minutes. So it took Marty 60 minutes to read his book and correct his report.




Hope this helped! ;)
3 0
3 years ago
Which value of x would make ?<br><br> 1<br> 6<br> 8<br> 10
Liono4ka [1.6K]

Answer:

x=8\ in

Step-by-step explanation:

we know that

If NO is parallel to KJ

then

Triangles LNO and LKJ are similar by AA Similarity Postulate

Remember that

If two figures are similar, then the ratio of its corresponding sides is equal

so

\frac{LO}{LJ}=\frac{LN}{LK}

substitute the values

\frac{x-4}{x-4+x}=\frac{x-3}{x-3+x+2}

\frac{x-4}{2x-4}=\frac{x-3}{2x-1}\\ \\(x-4)(2x-1)=(x-3)(2x-4)\\ \\2x^{2}-x-8x+4=2x^{2}-4x-6x+12\\ \\-9x+4=-10x+12\\ \\10x-9x=12-4\\ \\x=8\ in

3 0
2 years ago
Dose anyone know how to do these problems
zimovet [89]

Answer:

1. 14

2. 20

3. 12

4. -400

5. 6

6. 21

7. 11

8. 16

9. 40

10. 49

11. 12

12. IDK

Step-by-step explanation:

1. 16-2=14

2. 16+4=20

3. 6 X 2 = 12

4. -400/-10 (negative divided by a negative equals a positive) = 40

5. 6 X 6 = 36

6. 16+5=21

7. 23-12=11

8. 4 X 16 = 64

9. 36-16=20, 20 X 2 = 40

10. 400-8=392, 392/8= 49

11. 912-612=300, 300/25 = 12

12. Sorry too confusing.

4 0
3 years ago
Help me please I need the answers
3241004551 [841]
1- 3/4
2- 64
3- 18
4- 36
5- 10
6- 3/4
7- $4.70
8- <
9- =
10- =
4 0
3 years ago
Solve the equation. x2 + 8x − 9 = 0 A) x = 1 B) x = 9 C) x = 9 or x = −1 D) x = −9 or x = 1
yarga [219]

Answer:D. X= -9 or x= 1

X2 + 8x - 9 = 0

7 0
3 years ago
Read 2 more answers
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