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Pani-rosa [81]
3 years ago
6

Each year, the Department of Water Works measures the chloride concentration level in the water. The first year, they found the

chloride concentration changed by −1 and 3/5 mg/L . It is estimated that the chloride concentration will change −2 and 1/15 mg/L the next year.
What is the total change that will likely occur in 2 years?

Enter your answer as a simplified mixed number in the box.
Mathematics
1 answer:
Elan Coil [88]3 years ago
8 0
I think the answer is 3 1/4
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Ede4ka [16]

Answer:

Yes plz!

Step-by-step explanation:

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3 years ago
There are 3,072 books in the school library. There are 96 sixth graders. If the sixth graders teamed up to read all the books, h
Semenov [28]
The only thing you should do is to divide 3,072 by 96 and the answer is 32.
So each of them should read 32 books :)))
I hope this is helpful
have a nice day
7 0
3 years ago
A center-pivot sprinkler system operated by Colorado Land & Agriculture, Inc., is used to water the alfalfa in a circular fi
omeli [17]

Answer:

The answer is "1.448 miles".

Step-by-step explanation:

X= The distance to both the nozzle clogged from of the starting point.

X \sim Uniform(0,2) miles.

They are simulating the random number Y=0.724, and the Y has both a distribution uniform(0,1). Therefore 2Y is distributed evenly (0.2). And They model the clogging of its nozzle at 2Y=1.448 miles

8 0
3 years ago
There is a bowling ball with a diameter of 216 mm and a baseball with a diameter of 74 mm. Find how many times greater the volum
zmey [24]
Bowling ball radius = 108 mm
Sphere Volume   = <span>  4/3 • <span>π <span>• r³
bowling ball volume = 4/3 * PI * 108^3
</span></span></span><span>bowling ball volume = 5.2767e+6
</span> <span><span>bowling ball volume = 5,276,669 cubic mm

baseball radius = 37 mm
baseball volume = </span>4/3 * PI * 37^3
</span><span><span>baseball volume = 4/3 * PI * 37^3
</span> </span> <span>baseball volume = 212,174 </span><span>cubic mm

bowling ball greater than baseball by a factor of:
</span>
5,276,669 / <span>212,174 = </span> <span> <span> <span> 24.8694450477 </span> </span> </span>
answer is D




6 0
3 years ago
1. In what book was “Gryffindor Versus Ravenclaw” a chapter?
Ludmilka [50]

Answer:

1. Chapter 13 in, "Harry Potter and the Prisoner of Azkaban

2. Mosag

3. Willow

4. Puddlemere United

5.  ( This is all of her positions that I found) Head of the Improper Use of Magic Office (formerly)

Senior Undersecretary to the Minister of Magic (–1998)

Defence Against the Dark Arts Professor at Hogwarts School of Witchcraft and Wizardry (1995–1996)

Headmistress of Hogwarts (April–June 1996)

High Inquisitor at Hogwarts (1995–1996)

Head of the Muggle-Born Registration Commission (1997–1998)

6. Roger Davies

7. (This one i'm not sure on but i'll keep searching)

8.  I believe that is was Fred and George Weasley

9. Dissendium

10. referee Hassan Mostafa

Sorry I didn't get to all of them, I am still getting through a few of the books but I hope this atleast helped a little :)

Step-by-step explanation:

5 0
3 years ago
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