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Ivanshal [37]
3 years ago
8

To investigate water quality, the Columbus Dispatch took water specimens at 16 Ohio State Park swimming areas in central Ohio. T

hose specimens were taken to laboratories and tested for E. Coli, which are bacteria that can cause serious gastrointestinal problems. For reference, if a 100 100 -milliliter specimen (about 3.3 3.3 ounces) of water contains more than 130 130 E. Coli bacteria, it is considered unsafe. Here are the E. Coli levels per 100 100 milliliter found by the laboratories:
Mathematics
1 answer:
marishachu [46]3 years ago
3 0

Answer:

mean=56.28ml

The mean is greater than most of the observations because of the two outliers

Step-by-step explanation:

mean=56.28ml

The mean is greater than most of the observations because of the two outliers.

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How many different 4-digit PIN codes are there that only include the digits 5, 9, 6 and 2?
denis23 [38]

Answer:

256

Step-by-step explanation:

The digits can only be one of four numbers.

4*4*4*4 = 4^4 = 256

7 0
3 years ago
Does anyone Understand this.
Dafna11 [192]
Its 19 bro, you substitute 3 into the equation in replace for x
8 0
3 years ago
$1,685 - something= $792​
MAXImum [283]

Answer:

It's pretty simple when you know math the correct way. Here.

Step-by-step explanation:

$1,685 - $792 = $893

Not sure about this? Do it a different way! Use the answer in a equation!

$893 + $792 = $1,685

Your Welcome Friend!

8 0
3 years ago
the nth term of a sequence is given by an²+bn where a and b are integers the 2nd term of the sequence is 2 4th term of the seque
stealth61 [152]

Answer:

54

Step-by-step explanation:

Tn = an²+bn

T2 = a2²+2b

2 = 4a +2b

Multiply all through by 2

4 = 8a +4b

4b = 4-8a

T4 = a4² + 4b

20 = 16a +4b

4b = 20-16a

4-8a = 20-16a

16a -8a = 20-4

8a = 16

a = 16/8 = 2

4b = 4-8a = 4-8(2) = 4-16 = -12

b = -12/4 = -3

T6 = a6² + 6b

T6 = 2(36) + 6(-3) = 72 -18 = 54

7 0
2 years ago
Read 2 more answers
Mai paid $16 for 4 pumpkin pie slices. How many pumpkin pie slices is that per dollar?​
kifflom [539]
$4 for one slice. divide amount paid by amount received to get the cost per item.
4 0
3 years ago
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