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katrin [286]
2 years ago
6

Find the mean of the following numbers; 7 21 2 17 3 14 7 4 9 7 9

Mathematics
2 answers:
adell [148]2 years ago
8 0
<h2>mean = 9.09</h2><h2>_________________</h2>

Step-by-step explanation:

mean = sum ÷ numbers

= 100 ÷ 11

= 9.09

<h2>_________________</h2><h2>FOLLOW ME</h2>
Margarita [4]2 years ago
3 0

Answer:

9

Step-by-step explanation:

2,3,4,7,7,7,9,9,14,17,21

21,17,14,9,9,7,7,7,4,3,2

3,7,7,7,9,9,17,21

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How many terms are in the arithmetic sequence 1313, 1616, 1919, ……, 7070, 7373?
Nataliya [291]
To find the number of terms in the arithmetic sequence, we need to use the formula 
a_{n}= a_{1}+(n-1)d    
where a_{n} is the nth number, a_{1} is the first number, n is the number of terms and d is the difference of the two consecutive numbers.
7373 = 1313 + (n - 1)(303)
7373 = 1313 + 303n - 303
7373 = 1010 + 303n
7373 - 1010 = 303n
6363 = 303n
6363 ÷ 303 = n
n = 21

Therefore, there are 21 terms in the arithmetic sequence given.
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3 years ago
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Answer:

Step-by-step explanation:

total interest payed - $249.00

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Answer:

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You have a bag of 10 marbles. Three of them are red, five are blue, and two are green. What is the probability of randomly picki
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Answer:

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Step-by-step explanation:

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