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klio [65]
2 years ago
14

Find the mean of the following numbers: 12 1 10 9 3 4 9 7 9

Mathematics
1 answer:
Temka [501]2 years ago
3 0

Answer:

7.11

Step-by-step explanation:

You will add all of those numbers and divide them by the amount of numbers you added. And I rounded the answer to 2 decimal places, seeing that it is a recurring decimal.

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Ugo [173]
Answer: D) y= 14/17x - 4/17
3 0
3 years ago
Solve for n.<br> 2n - 3<br> 5<br> =<br> = 5<br> Enter your answer in the box.<br> n =
Zina [86]

Answer:

2n - 35 = 5 \\ 2n = 5 + 35 \\ 2n = 40 \\ n = 40 \div 2 \\ n = 20

4 0
3 years ago
Read 2 more answers
Find the median and mean of the data. Which reflects the best measure of the center?
Dmitry [639]
Median = 14
Explanation:
Median: is when you find middle number in this set from low > high
12, 13, 13, 14, 21, 22, 23 

Mean = 16
Explanation:
Mean: add all numbers up then divide by how many numbers are there
13 + 14 + 12 +  23 + 22 + 21 / 7 = 16
5 0
3 years ago
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Joyce paid $140 for an item at the store that was 20 percent of the original price. What was the original price?
Vesna [10]

Answer:

$175

Step-by-step explanation:

Equation for Price Reduction:

Original Price * Percent Remaining of Original = New Price

Plug in the given values into the equation:

Original Price * 0.8 = $140

Divide both sides by 0.8 to isolate the Original Price:

140/0.8 = 175

3 0
3 years ago
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One number is 8 times another number. The numbers are both positive and have a difference of 70. Find the numbers.
Nat2105 [25]
Let one no. be x , Then according to question other number will be 8x
Now 8x - x = 70 
        7x = 70 
         x=10 
hence one no is 10 and other 80
7 0
3 years ago
Read 2 more answers
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