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alexira [117]
3 years ago
13

Which one is not irrational?

Mathematics
1 answer:
Sholpan [36]3 years ago
4 0
√9 = 3  and is rational
Its C
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What is the variance of the following data? If necessary, round your answer to two decimal places 600,470,170,430,300
Mkey [24]

Answer:

72112885110079700000000000000.00

Step-by-step explanation:

X(mean) = (600470170430300 + 23056 + 22123 + 21704 + 20365) / 5 = 120094034103510

n=5

S²(variance) = ((600470170430300-120094034103510)²+(23056-120094034103510)²+(22123-120094034103510)²*+(21704-120094034103510)²+(20365-120094034103510)²/(5-1)

S² = 72112885110079700000000000000.00

3 0
3 years ago
Point N is on line segment MO. Given MO = 18 and MN = 3, determine the<br> length NO.
saw5 [17]

Answer:

Length of NO is 15

Step-by-step explanation:

because

NO = MO-MN

7 0
3 years ago
Mr. Brown recorded the final exam scores for his fifth period math class in the histogram below.
Scilla [17]

Answer:

A. Mean

Step-by-step explanation: Bc all Teachers average the grades using Mean.

Also if there is an outlire you need to use mean, Bc the Med won't be an exact average of the grades.

5 0
3 years ago
I need help<br><br> Y=2x+7<br> X=4<br> Y=
ExtremeBDS [4]

Answer:

Y=15

Step-by-step explanation:

2(4)+7

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15

7 0
3 years ago
Read 2 more answers
What is the answer, please help.
Kamila [148]
The unknown number is 2, because if you try to find the difference between 5 and 3 then you will get the number 2 as your answer.
6 0
3 years ago
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